flexible couplings – half coupling https://half-coupling.com As one of leading half coupling manufacturers, suppliers and exporters of products, We offer half coupling and many other products. Wed, 15 May 2024 02:57:47 +0000 en-US hourly 1 https://wordpress.org/?v=6.1.6 China best CHINAMFG Js3500 Series Half Demount Type Flexible Grid Couplings Coupling https://half-coupling.com/china-best-chinamfg-js3500-series-half-demount-type-flexible-grid-couplings-coupling/ Wed, 15 May 2024 02:57:47 +0000 https://half-coupling.com/china-best-chinamfg-js3500-series-half-demount-type-flexible-grid-couplings-coupling/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

Product Description

 

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

 

Other products

 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

 

 

Company Profile

 

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 26 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

Our service

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
 

FAQ

 

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

Can a Half Coupling be Used for Both Temporary and Permanent Pipe Connections?

Yes, a half coupling can be used for both temporary and permanent pipe connections, depending on the specific requirements of the application and the type of half coupling used.

Temporary Pipe Connections: Threaded half couplings are commonly used for temporary pipe connections. They allow for easy assembly and disassembly of the pipes without the need for welding. Threaded couplings offer quick installation and are ideal for situations where frequent changes or maintenance are necessary. For example, during construction or testing phases, temporary pipe connections may be required before the final system configuration is established.

Permanent Pipe Connections: Socket weld and butt weld half couplings are primarily used for permanent pipe connections. Once these couplings are welded to the pipes, the joint becomes integral, robust, and permanent. Socket weld couplings are commonly used in smaller diameter pipes, while butt weld couplings are more prevalent in larger diameter pipes and high-pressure applications. These types of couplings are well-suited for applications where a secure and leak-proof connection is essential for the long-term operation of the system.

It is essential to choose the appropriate type of half coupling based on the specific needs of the application. Consider factors such as the system’s operating conditions, pressure requirements, maintenance frequency, and future changes or expansions. Temporary connections using threaded half couplings provide flexibility and ease of maintenance but may not be suitable for high-pressure or critical systems. On the other hand, permanent connections using socket weld or butt weld half couplings offer maximum strength and reliability, but they require careful planning and welding expertise.

In some cases, half couplings may be used temporarily during system assembly or testing and later replaced with socket weld or butt weld couplings for permanent operation. This allows for easier adjustments during the initial setup while ensuring a durable connection in the long run.

Ultimately, the choice between temporary and permanent pipe connections using half couplings depends on the specific requirements of the project and the balance between flexibility and long-term reliability.

half coupling

How do you Select the Right Half Coupling Material Based on the Fluid or Gas being Conveyed?

Choosing the appropriate material for half couplings is essential to ensure their compatibility with the fluid or gas being conveyed. The selection process involves considering several factors related to the nature of the conveyed substance and the specific operating conditions. Here’s a step-by-step guide on how to select the right half coupling material:

  1. Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the piping system. Different materials may be required depending on whether the conveyed substance is water, oil, gas, chemicals, steam, or any other medium.
  2. Consider the Chemical Compatibility: Evaluate the chemical properties of the conveyed substance. Some fluids or gases can be corrosive or reactive with certain materials. Look for half coupling materials that are chemically resistant to the specific medium to prevent degradation or premature failure.
  3. Assess the Temperature and Pressure: Take into account the operating temperature and pressure of the system. High-temperature fluids or gases may require materials with excellent heat resistance, while high-pressure applications demand strong and durable coupling materials that can withstand the stress.
  4. Check for Abrasion or Erosion: In systems where the conveyed substance contains solid particles or abrasive materials, consider half coupling materials with good wear resistance to prevent premature wear and damage to the coupling surface.
  5. Verify Material Standards: Ensure that the selected half coupling material complies with relevant industry standards such as ASTM, ASME, API, or ISO. These standards define the material’s properties and performance criteria, providing a reliable benchmark for quality and suitability.
  6. Consider Environmental Conditions: Evaluate the environmental factors that can affect the coupling’s performance, such as humidity, UV exposure, or exposure to harsh chemicals. Choose materials with appropriate coatings or properties to withstand the specific environmental conditions.
  7. Factor in Cost and Availability: Balancing performance requirements with cost considerations is essential. Select a half coupling material that meets the necessary performance criteria while fitting within the project’s budget. Additionally, ensure that the chosen material is readily available for procurement.

Common materials used for half couplings include carbon steel, stainless steel, alloy steel, brass, bronze, and various plastics such as PVC, CPVC, and PTFE. Each material has its advantages and limitations, making the selection process critical for a successful and reliable piping system.

By carefully considering the conveyed fluid or gas, chemical compatibility, temperature, pressure, abrasion resistance, and other relevant factors, you can make an informed decision and select the right half coupling material that will ensure a safe and efficient operation of the piping system.

half coupling

What are the Various Types of Half Couplings and Their Specific Applications?

Half couplings come in different types, each designed to cater to specific applications and requirements in piping and plumbing systems. The various types of half couplings and their specific applications are as follows:

  • Threaded Half Couplings: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. These couplings are commonly used in applications where a secure and leak-proof joint is needed, such as connecting valves, instruments, or equipment to the pipeline.
  • Socket Weld Half Couplings: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. Socket weld half couplings are widely used in high-pressure applications and systems that require frequent disassembly.
  • Butt Weld Half Couplings: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The other end can be used to attach a smaller pipe. These couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.
  • Reducing Half Couplings: Reducing half couplings are used when a transition between different pipe sizes is needed. One end of the coupling has larger threads or a larger socket to accommodate a larger pipe, while the other end has smaller threads or a smaller socket to connect a smaller pipe. These couplings are commonly used in systems that require a change in pipe size, such as reducing the flow rate or connecting equipment with different pipe sizes.
  • Mechanical Grip Half Couplings: Mechanical grip half couplings use a mechanical mechanism to grip and secure the smaller pipe without welding or threading. They are commonly used in temporary connections or situations where frequent disassembly is necessary, such as in temporary test setups or during equipment maintenance.

The choice of half coupling type depends on the specific application, the pipe materials, the operating conditions, and the required joint strength. It is essential to follow industry standards and guidelines when selecting the appropriate type of half coupling to ensure the safety and efficiency of the piping or plumbing system.

In summary, various types of half couplings cater to different needs in piping and plumbing systems. Whether for permanent connections, temporary applications, or transitions between different pipe sizes, half couplings offer versatile solutions for joining pipes securely and efficiently.

China best CHINAMFG Js3500 Series Half Demount Type Flexible Grid Couplings Coupling China best CHINAMFG Js3500 Series Half Demount Type Flexible Grid Couplings Coupling
editor by CX 2024-05-15

]]> China factory CHINAMFG Js3500 Series Half Demount Type Flexible Grid Couplings Coupling https://half-coupling.com/china-factory-chinamfg-js3500-series-half-demount-type-flexible-grid-couplings-coupling/ Wed, 08 May 2024 01:23:20 +0000 https://half-coupling.com/china-factory-chinamfg-js3500-series-half-demount-type-flexible-grid-couplings-coupling/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

Product Description

 

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

 

Other products

 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

 

 

Company Profile

 

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 26 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

Our service

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
 

FAQ

 

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

How do you Properly Install and Secure a Half Coupling to Ensure a Leak-Free Connection?

Properly installing and securing a half coupling is essential to ensure a leak-free and reliable connection in piping and plumbing systems. Follow these steps to achieve a secure joint:

  1. Cut and Prepare the Pipe: Start by cutting the larger pipe to the desired length, ensuring a clean and even edge. Use a deburring tool or file to remove any sharp edges or burrs that could interfere with the coupling’s sealing surface.
  2. Check Threads and Fit: For threaded half couplings, inspect the internal threads of the coupling and the external threads of the pipe. Make sure they are clean and free from debris or damage. Ensure that the threads match and fit properly, as any misalignment can lead to leaks.
  3. Apply Thread Sealant: Before attaching the half coupling, apply a suitable thread sealant, such as Teflon tape or pipe dope, to the male threads of the pipe. The sealant helps prevent leaks by filling any gaps or imperfections in the threads.
  4. Attach the Half Coupling: Thread the half coupling onto the pipe’s male threads carefully. Use a wrench to ensure a snug fit, but avoid over-tightening, as it may damage the threads or cause stress on the joint.
  5. For Socket Weld or Butt Weld Couplings: For socket weld half couplings, insert the smaller pipe into the coupling’s socket and align it properly. For butt weld half couplings, weld the coupling to the larger pipe’s end with proper welding techniques and safety measures. Follow industry standards for welding procedures and ensure a smooth and consistent weld for a leak-free joint.
  6. Check for Leaks: After installation, perform a leak test to ensure the joint is secure. Apply a pressure test or use a suitable leak-detection method to verify the connection’s integrity. If any leaks are detected, disassemble the joint, inspect for issues, and reassemble following the proper steps.
  7. Consider Thermal Expansion: In applications with temperature variations, consider the thermal expansion and contraction of the pipes. Provide sufficient flexibility in the system to accommodate these changes and prevent stress on the joints, which could lead to leaks over time.
  8. Follow Manufacturer’s Instructions: Always follow the manufacturer’s instructions and recommendations for the specific type and material of the half coupling being used. Different couplings may have unique installation requirements and torque specifications.

Proper installation and securing of a half coupling are crucial for maintaining the integrity of the piping or plumbing system and ensuring a leak-free connection. Following these steps and adhering to industry standards will help achieve a reliable and durable joint.

half coupling

Can a Half Coupling be Used in both Residential and Industrial Applications?

Yes, a half coupling can be used in both residential and industrial applications, depending on the specific requirements of the plumbing or piping system. Half couplings are versatile fittings that find application in various settings due to their design and functionality.

Residential Applications: In residential plumbing systems, half couplings can be utilized for several purposes. They are commonly used in household plumbing repairs and installations where a secure connection between pipes or components is needed. For example, half couplings can be used to attach fixtures such as faucets, showerheads, or water heaters to the water supply lines. Additionally, they are employed in various DIY projects and renovations around the house, providing a reliable and leak-resistant connection between pipes of different sizes or materials.

Industrial Applications: Half couplings are extensively used in industrial applications due to their ability to connect pipes and components in a range of systems. In industrial settings, half couplings are employed in piping systems for water, air, chemicals, gases, and other fluids. They are commonly found in power plants, chemical processing plants, refineries, petrochemical facilities, and manufacturing plants, among others. These couplings play a crucial role in creating reliable joints for conveying materials and maintaining the overall integrity of the industrial processes.

While half couplings are suitable for both residential and industrial applications, there are certain considerations to keep in mind. For residential use, the materials and pressure ratings of the half couplings should be appropriate for household water supply systems, which generally operate at lower pressures compared to industrial systems. In industrial applications, the materials, dimensions, and pressure ratings of the half couplings must meet the specific requirements of the industrial processes, which often involve higher pressures and harsher environmental conditions.

Regardless of the application, it is essential to select high-quality half couplings that comply with relevant industry standards and are appropriate for the intended use. Proper installation and maintenance of the couplings are also crucial to ensure a leak-free and reliable connection in both residential and industrial settings.

half coupling

What are the Standard Sizes and Dimensions Available for Half Couplings?

Half couplings, as pipe fittings used in piping and plumbing systems, are available in various standard sizes and dimensions to accommodate different pipe sizes and applications. The sizes and dimensions of half couplings depend on the pipe’s nominal diameter and the specifications set by industry standards organizations. Some common standard sizes and dimensions for half couplings are as follows:

  • Thread Sizes: Half couplings come with different thread sizes to match the corresponding pipe threads. Common thread sizes for half couplings include 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 2-1/2″, 3″, 4″, 5″, 6″, and larger.
  • Length: The length of a half coupling refers to the distance from one end to the other. It is typically a few inches, depending on the pipe size and application requirements. Lengths for half couplings can range from around 1 inch to 12 inches or more.
  • Outer Diameter (OD): The outer diameter of a half coupling refers to the measurement across the widest point of the coupling’s external surface. It corresponds to the pipe’s outer diameter it is intended to connect to. Common OD sizes for half couplings include 1.05″, 1.32″, 1.66″, 1.90″, 2.38″, 2.88″, 3.50″, 4.50″, 5.56″, 6.63″, 8.63″, and others.
  • Materials: Half couplings are available in various materials, as mentioned in the previous answer. The material selection depends on factors such as the type of fluid being transported, the temperature, the pressure, and the corrosion resistance requirements.

It is essential to refer to industry standards, such as ANSI (American National Standards Institute), ASME (American Society of Mechanical Engineers), or ASTM (American Society for Testing and Materials), to ensure that the half couplings meet the specific dimensional and material requirements of the application.

When selecting a half coupling, it is crucial to consider the following factors:

  • Pipe Size Compatibility: Ensure that the half coupling’s thread size matches the pipe’s thread size to create a secure and leak-proof connection.
  • Application Requirements: Consider the operating conditions, including pressure, temperature, and the nature of the fluid being transported, to choose the appropriate material and dimensions for the half coupling.
  • Standards Compliance: Select half couplings that meet industry standards to ensure safety and compatibility with other components in the system.

In summary, half couplings are available in various standard sizes and dimensions, with different thread sizes and materials to accommodate diverse pipe sizes and applications. Proper selection based on the specific requirements of the piping or plumbing system is essential for ensuring a reliable and efficient connection between pipes.

China factory CHINAMFG Js3500 Series Half Demount Type Flexible Grid Couplings Coupling China factory CHINAMFG Js3500 Series Half Demount Type Flexible Grid Couplings Coupling
editor by CX 2024-05-08

]]> China high quality CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Used in Stone Crusher Reducor https://half-coupling.com/china-high-quality-chinamfg-js3500-series-half-demount-flexible-grid-couplings-used-in-stone-crusher-reducor/ Mon, 29 Apr 2024 02:57:24 +0000 https://half-coupling.com/china-high-quality-chinamfg-js3500-series-half-demount-flexible-grid-couplings-used-in-stone-crusher-reducor/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

What are the Signs of Wear, Corrosion, or Damage in a Half Coupling?

A half coupling, like any other pipe fitting, can experience wear, corrosion, or damage over time due to various factors. Regular inspection is crucial to detect any issues early on and prevent potential leaks or failures in piping and plumbing systems. Here are some signs to look for to identify wear, corrosion, or damage in a half coupling:

  • Visible Corrosion: Check for any signs of rust or corrosion on the surface of the half coupling. Corrosion can weaken the material and lead to leaks or structural failure. Surface discoloration, rough patches, or flaking of the metal are all indicators of possible corrosion.
  • Thread Damage: For threaded half couplings, inspect the threads carefully. Look for signs of stripping, galling, or deformation. Damaged threads can compromise the integrity of the connection and may result in leaks.
  • Cracks or Fractures: Examine the half coupling for any cracks, fractures, or signs of deformation. Cracks can lead to leaks and should be addressed immediately to prevent further damage.
  • Worn Socket or Weld Seam: In the case of socket weld or butt weld half couplings, inspect the socket or weld seam for signs of wear or damage. A worn socket may not provide a secure fit for the smaller pipe, while defects in the weld can compromise the joint’s strength and integrity.
  • Leaks: Any visible leaks or indications of moisture around the joint or coupling are clear signs of a problem. Leaks can be caused by damaged threads, corroded surfaces, or improper installation.
  • Reduced Performance: If the system’s performance declines, such as a decrease in flow rate or pressure, it could be a sign of a partially obstructed or damaged coupling.
  • Age and Service Life: Consider the age and service life of the half coupling. Over time, even well-maintained couplings may show signs of wear and fatigue, warranting closer inspection.

If any of these signs are observed, it is essential to take prompt action to address the issues. Depending on the severity of the wear, corrosion, or damage, the appropriate steps may include repairing or replacing the half coupling. In some cases, it may be necessary to inspect adjacent pipes and components for possible effects of the compromised coupling.

Regular maintenance and inspection practices can help identify signs of wear, corrosion, or damage in a half coupling before they escalate into more significant problems. Following manufacturer’s guidelines, adhering to industry standards, and using suitable materials for the application can contribute to the longevity and reliability of the half coupling and the entire piping or plumbing system.

half coupling

What are some Real-World Examples of Half Coupling Usage in Different Industries?

Half couplings are widely used in various industries to create reliable connections between pipes and components. Here are some real-world examples of half coupling usage in different industries:

  1. Oil and Gas Industry: In the oil and gas sector, half couplings are commonly used in pipelines for crude oil, natural gas, and refined products transportation. They are also employed in offshore platforms, refineries, and petrochemical plants to connect pipes and fittings in high-pressure and corrosive environments.
  2. Chemical Processing: The chemical industry utilizes half couplings to connect pipes carrying various chemicals and corrosive substances. The coupling’s resistance to corrosion is vital to ensure the integrity of the piping system in these applications.
  3. Power Generation: In power plants, half couplings are employed in steam and water pipelines, allowing efficient transfer of heat and fluids in boilers and condensers. They are also used in cooling water systems and various auxiliary processes.
  4. Food and Beverage: In food processing facilities, stainless steel half couplings are widely used due to their hygienic properties. They help connect pipes in systems for handling water, beverages, dairy products, and other food items, ensuring sanitation and preventing contamination.
  5. Marine Industry: Half couplings are used in shipbuilding and offshore structures to create connections in piping systems for various applications, including cooling, ballast, and fuel transfer.
  6. Water and Wastewater Treatment: In municipal water supply and wastewater treatment plants, half couplings are employed to connect pipes and fittings in water distribution and treatment systems, as well as in sewer networks.
  7. Agriculture: In agricultural settings, half couplings are used to connect pipes for irrigation systems, water supply, and chemical distribution in farming operations.
  8. Manufacturing: The manufacturing industry utilizes half couplings in various fluid and gas transfer systems for machinery and equipment, as well as in compressed air lines.
  9. Construction: In construction projects, half couplings are used to connect pipes for plumbing, HVAC systems, and other applications in buildings and infrastructure projects.
  10. Fire Protection: In fire sprinkler systems, half couplings are employed to connect pipes carrying water or other fire suppressant agents, ensuring effective fire protection in commercial, industrial, and residential buildings.

These examples demonstrate the versatility and significance of half couplings in different industries, where they play a crucial role in creating leak-free and reliable connections in piping systems. The choice of the half coupling material, size, and specifications may vary depending on the specific application and the environmental conditions in which it operates.

half coupling

What is a Half Coupling and How is it Used in Piping and Plumbing Systems?

A half coupling is a type of pipe fitting used in piping and plumbing systems to connect two pipes of different sizes. It is a short, threaded piece with one end designed to be welded or screwed onto a larger pipe, and the other end allows for the attachment of a smaller pipe. The half coupling has internal threads on one end and a plain or beveled surface on the other end.

Half couplings are typically made from materials such as stainless steel, carbon steel, brass, or other suitable alloys, depending on the application and the medium being transported through the pipes.

In piping systems, half couplings are used for various purposes:

  1. Reducing Pipe Size: One common use of half couplings is to reduce the pipe size at a specific point in the system. For example, when a large pipe needs to be connected to a smaller pipe, a half coupling can be employed to create a smooth transition.
  2. Connection Points: Half couplings are often used at connection points where equipment, valves, or instruments are attached to the pipeline. They provide a secure and leak-proof joint.
  3. Repair and Maintenance: In the event of a pipe section damage, a half coupling can be used to cut out the damaged portion and replace it with a new pipe, facilitating quick repairs without the need to replace the entire pipeline.

The installation of a half coupling involves a few simple steps:

  1. Cutting and Preparing the Pipe: The larger pipe, to which the half coupling will be attached, is cut to the desired length, and the edge is cleaned and beveled to ensure a proper welding or threading joint.
  2. Attaching the Half Coupling: The half coupling is then welded or screwed onto the larger pipe end. For welding, proper welding techniques and safety measures must be followed to achieve a strong, reliable joint.
  3. Connecting the Smaller Pipe: The smaller pipe is threaded or inserted into the other end of the half coupling. The connection is tightened to ensure a secure fit, and sealing materials like Teflon tape or thread sealant may be used to prevent leaks.

In plumbing systems, half couplings serve similar functions, connecting different pipes or fixtures of various sizes. The installation process may vary slightly, depending on the type of plumbing materials and the specific application.

In summary, half couplings are essential components in piping and plumbing systems, enabling the connection of pipes with different diameters and facilitating repairs or adding connection points with ease and efficiency.

China high quality CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Used in Stone Crusher Reducor China high quality CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Used in Stone Crusher Reducor
editor by CX 2024-04-29

]]> China factory CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Shaft Hole Coupling https://half-coupling.com/china-factory-chinamfg-js3500-series-half-demount-flexible-grid-couplings-shaft-hole-coupling/ Tue, 16 Apr 2024 01:33:15 +0000 https://half-coupling.com/china-factory-chinamfg-js3500-series-half-demount-flexible-grid-couplings-shaft-hole-coupling/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

 

 

Company Profile

 

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

Can a Half Coupling be Threaded or Welded onto Pipes?

Yes, a half coupling can be both threaded and welded onto pipes in piping and plumbing systems. The method of attachment depends on the type of half coupling and the specific application requirements.

Threaded Half Coupling: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. To install a threaded half coupling, the larger end with internal threads is screwed onto the male threads of the larger diameter pipe. The smaller pipe is then threaded into the other end of the half coupling, creating a secure and leak-proof joint. Threaded half couplings are commonly used when frequent disassembly may be required or when connecting components like valves or instruments to the pipeline.

Socket Weld Half Coupling: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. The larger diameter pipe is inserted into the socket, and a fillet weld is applied around the outside of the coupling to secure the smaller pipe. Socket weld half couplings are often used in high-pressure applications and systems that require a robust and reliable connection.

Butt Weld Half Coupling: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The smaller pipe is inserted into the other end of the half coupling, and a butt weld is applied to secure the joint. Butt weld half couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.

The choice between threaded and welded half couplings depends on factors such as the operating conditions, the type of fluid being transported, and the required joint strength. Threaded half couplings offer ease of installation and disassembly, making them suitable for applications where frequent maintenance is needed. On the other hand, socket weld and butt weld half couplings provide permanent and strong connections, making them suitable for high-pressure and critical systems.

Regardless of the method of attachment, it is essential to ensure proper installation and adherence to industry standards to achieve a secure and leak-free connection. Regular inspection and maintenance of the half couplings and the entire piping system are also necessary to detect any signs of wear, corrosion, or damage and address them promptly.

half coupling

Are there Special Half Couplings Designed for Specific Types of Pipes (e.g., Stainless Steel, PVC)?

Yes, there are special half couplings designed to be compatible with specific types of pipes, such as stainless steel, PVC, and other materials. The choice of half coupling material should be based on the properties of the pipe and the requirements of the application. Here are some examples of special half couplings designed for specific types of pipes:

  1. Stainless Steel Half Couplings: These couplings are specifically designed to be used with stainless steel pipes. Stainless steel is known for its corrosion resistance and is commonly used in applications where the conveyed fluid or gas may be corrosive or require high hygiene standards. Stainless steel half couplings provide a reliable and durable connection in such environments, making them suitable for industries like food processing, pharmaceuticals, chemical processing, and marine applications.
  2. PVC Half Couplings: PVC pipes are widely used for water supply, drainage, and irrigation systems due to their lightweight, corrosion resistance, and affordability. Special half couplings for PVC pipes are typically made of PVC material or other compatible plastics. These couplings ensure a secure and leak-free connection in PVC pipe systems, especially in residential and agricultural applications.
  3. CPVC Half Couplings: CPVC (Chlorinated Polyvinyl Chloride) pipes are used in applications where higher temperature and pressure resistance are required compared to standard PVC pipes. CPVC half couplings are designed to be compatible with CPVC pipes, providing a reliable joint for hot water supply, industrial piping, and other high-temperature applications.
  4. Copper Half Couplings: Copper pipes are commonly used for water supply lines and in refrigeration systems. Half couplings made from copper or brass are suitable for connecting copper pipes, ensuring a tight and durable connection in residential and commercial plumbing systems.
  5. Galvanized Steel Half Couplings: Galvanized steel pipes are coated with a layer of zinc to enhance their corrosion resistance. Half couplings made from galvanized steel are used with galvanized pipes in outdoor applications or in areas prone to corrosion, such as in sprinkler systems and outdoor water distribution.
  6. Alloy Steel Half Couplings: In high-pressure and high-temperature applications, where the properties of carbon steel are not sufficient, alloy steel half couplings are used. These couplings are designed to handle the demanding conditions of industries such as oil and gas, petrochemicals, and power generation.

It is essential to select the right half coupling material that matches the properties and requirements of the specific type of pipe in the system. Using a compatible half coupling ensures a reliable and leak-free connection, reduces the risk of corrosion or degradation, and contributes to the overall efficiency and longevity of the piping system.

half coupling

What are the Various Types of Half Couplings and Their Specific Applications?

Half couplings come in different types, each designed to cater to specific applications and requirements in piping and plumbing systems. The various types of half couplings and their specific applications are as follows:

  • Threaded Half Couplings: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. These couplings are commonly used in applications where a secure and leak-proof joint is needed, such as connecting valves, instruments, or equipment to the pipeline.
  • Socket Weld Half Couplings: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. Socket weld half couplings are widely used in high-pressure applications and systems that require frequent disassembly.
  • Butt Weld Half Couplings: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The other end can be used to attach a smaller pipe. These couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.
  • Reducing Half Couplings: Reducing half couplings are used when a transition between different pipe sizes is needed. One end of the coupling has larger threads or a larger socket to accommodate a larger pipe, while the other end has smaller threads or a smaller socket to connect a smaller pipe. These couplings are commonly used in systems that require a change in pipe size, such as reducing the flow rate or connecting equipment with different pipe sizes.
  • Mechanical Grip Half Couplings: Mechanical grip half couplings use a mechanical mechanism to grip and secure the smaller pipe without welding or threading. They are commonly used in temporary connections or situations where frequent disassembly is necessary, such as in temporary test setups or during equipment maintenance.

The choice of half coupling type depends on the specific application, the pipe materials, the operating conditions, and the required joint strength. It is essential to follow industry standards and guidelines when selecting the appropriate type of half coupling to ensure the safety and efficiency of the piping or plumbing system.

In summary, various types of half couplings cater to different needs in piping and plumbing systems. Whether for permanent connections, temporary applications, or transitions between different pipe sizes, half couplings offer versatile solutions for joining pipes securely and efficiently.

China factory CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Shaft Hole Coupling China factory CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Shaft Hole Coupling
editor by CX 2024-04-16

]]> China Custom CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Simple Structure High Quality https://half-coupling.com/china-custom-chinamfg-js3500-series-half-demount-flexible-grid-couplings-simple-structure-high-quality/ Wed, 03 Apr 2024 01:50:05 +0000 https://half-coupling.com/china-custom-chinamfg-js3500-series-half-demount-flexible-grid-couplings-simple-structure-high-quality/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

Can a Half Coupling be Used for Both Temporary and Permanent Pipe Connections?

Yes, a half coupling can be used for both temporary and permanent pipe connections, depending on the specific requirements of the application and the type of half coupling used.

Temporary Pipe Connections: Threaded half couplings are commonly used for temporary pipe connections. They allow for easy assembly and disassembly of the pipes without the need for welding. Threaded couplings offer quick installation and are ideal for situations where frequent changes or maintenance are necessary. For example, during construction or testing phases, temporary pipe connections may be required before the final system configuration is established.

Permanent Pipe Connections: Socket weld and butt weld half couplings are primarily used for permanent pipe connections. Once these couplings are welded to the pipes, the joint becomes integral, robust, and permanent. Socket weld couplings are commonly used in smaller diameter pipes, while butt weld couplings are more prevalent in larger diameter pipes and high-pressure applications. These types of couplings are well-suited for applications where a secure and leak-proof connection is essential for the long-term operation of the system.

It is essential to choose the appropriate type of half coupling based on the specific needs of the application. Consider factors such as the system’s operating conditions, pressure requirements, maintenance frequency, and future changes or expansions. Temporary connections using threaded half couplings provide flexibility and ease of maintenance but may not be suitable for high-pressure or critical systems. On the other hand, permanent connections using socket weld or butt weld half couplings offer maximum strength and reliability, but they require careful planning and welding expertise.

In some cases, half couplings may be used temporarily during system assembly or testing and later replaced with socket weld or butt weld couplings for permanent operation. This allows for easier adjustments during the initial setup while ensuring a durable connection in the long run.

Ultimately, the choice between temporary and permanent pipe connections using half couplings depends on the specific requirements of the project and the balance between flexibility and long-term reliability.

half coupling

What are some Real-World Examples of Half Coupling Usage in Different Industries?

Half couplings are widely used in various industries to create reliable connections between pipes and components. Here are some real-world examples of half coupling usage in different industries:

  1. Oil and Gas Industry: In the oil and gas sector, half couplings are commonly used in pipelines for crude oil, natural gas, and refined products transportation. They are also employed in offshore platforms, refineries, and petrochemical plants to connect pipes and fittings in high-pressure and corrosive environments.
  2. Chemical Processing: The chemical industry utilizes half couplings to connect pipes carrying various chemicals and corrosive substances. The coupling’s resistance to corrosion is vital to ensure the integrity of the piping system in these applications.
  3. Power Generation: In power plants, half couplings are employed in steam and water pipelines, allowing efficient transfer of heat and fluids in boilers and condensers. They are also used in cooling water systems and various auxiliary processes.
  4. Food and Beverage: In food processing facilities, stainless steel half couplings are widely used due to their hygienic properties. They help connect pipes in systems for handling water, beverages, dairy products, and other food items, ensuring sanitation and preventing contamination.
  5. Marine Industry: Half couplings are used in shipbuilding and offshore structures to create connections in piping systems for various applications, including cooling, ballast, and fuel transfer.
  6. Water and Wastewater Treatment: In municipal water supply and wastewater treatment plants, half couplings are employed to connect pipes and fittings in water distribution and treatment systems, as well as in sewer networks.
  7. Agriculture: In agricultural settings, half couplings are used to connect pipes for irrigation systems, water supply, and chemical distribution in farming operations.
  8. Manufacturing: The manufacturing industry utilizes half couplings in various fluid and gas transfer systems for machinery and equipment, as well as in compressed air lines.
  9. Construction: In construction projects, half couplings are used to connect pipes for plumbing, HVAC systems, and other applications in buildings and infrastructure projects.
  10. Fire Protection: In fire sprinkler systems, half couplings are employed to connect pipes carrying water or other fire suppressant agents, ensuring effective fire protection in commercial, industrial, and residential buildings.

These examples demonstrate the versatility and significance of half couplings in different industries, where they play a crucial role in creating leak-free and reliable connections in piping systems. The choice of the half coupling material, size, and specifications may vary depending on the specific application and the environmental conditions in which it operates.

half coupling

How does a Half Coupling Facilitate Pipe Connections and Disconnections?

A half coupling plays a crucial role in facilitating pipe connections and disconnections in piping and plumbing systems. It is a type of pipe fitting used to join two pipes of different sizes. Let’s explore how a half coupling enables these connections and disconnections:

  • Connection Process: When two pipes of different sizes need to be connected, a half coupling is used to create a secure joint. The larger end of the half coupling is welded or screwed onto the larger pipe, providing a stable base for the connection. The internal threads on the larger end of the coupling allow for easy attachment of the smaller pipe. The smaller pipe is threaded or inserted into the smaller end of the half coupling, and the connection is tightened to ensure a snug fit. The use of thread sealant or Teflon tape helps prevent leaks at the joint.
  • Transitioning Pipe Sizes: One of the primary uses of a half coupling is to transition between pipes of different sizes. For example, when a pipeline needs to change from a larger diameter to a smaller diameter, a half coupling is employed to create a smooth and efficient transition. This allows for the proper flow of fluids or gases without causing abrupt changes that could lead to pressure losses or turbulence.
  • Repair and Maintenance: Half couplings are also useful during repair and maintenance operations. In case a section of the pipe is damaged or needs replacement, the damaged portion can be cut out, and a new pipe can be attached using a half coupling. This facilitates quicker and more cost-effective repairs, as it eliminates the need to replace the entire pipeline.
  • Connection Points: Half couplings are often used at connection points where other components, such as valves, instruments, or equipment, need to be attached to the pipeline. By providing a secure and leak-proof joint, half couplings ensure the integrity of the overall system.
  • Temporary Connections: In some situations, temporary pipe connections may be required. Half couplings are versatile enough to allow for temporary connections that can be easily disassembled when needed. This flexibility is beneficial in scenarios where pipelines need to be altered or reconfigured temporarily for maintenance or testing purposes.

In summary, a half coupling is a crucial pipe fitting that enables efficient and reliable connections between pipes of different sizes. Its versatility, ease of installation, and ability to transition between pipe sizes make it an essential component in various industrial, commercial, and residential applications. Moreover, its role in facilitating quick repairs and temporary connections further enhances its significance in piping and plumbing systems.

China Custom CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Simple Structure High Quality China Custom CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Simple Structure High Quality
editor by CX 2024-04-03

]]> China Hot selling CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Simple Structure High Quality https://half-coupling.com/china-hot-selling-chinamfg-js3500-series-half-demount-flexible-grid-couplings-simple-structure-high-quality/ Wed, 03 Apr 2024 01:49:50 +0000 https://half-coupling.com/china-hot-selling-chinamfg-js3500-series-half-demount-flexible-grid-couplings-simple-structure-high-quality/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

Are there Specific Safety Considerations when Using Half Couplings in High-Pressure Systems?

Yes, there are specific safety considerations to keep in mind when using half couplings in high-pressure systems. High-pressure applications pose unique challenges, and it is crucial to follow safety protocols to prevent potential hazards and ensure the integrity of the piping or plumbing system. Here are the key safety considerations:

  • Pressure Ratings: Ensure that the half couplings used in high-pressure systems are rated for the intended pressure levels. Half couplings have specific pressure ratings based on their design and material. Exceeding these ratings can lead to coupling failure and catastrophic leaks.
  • Material Selection: Choose half couplings made from suitable materials capable of withstanding the pressures and conditions of the system. High-pressure applications often require stronger and more durable materials, such as stainless steel or high-grade alloys.
  • Proper Installation: Accurate and proper installation is critical in high-pressure systems. Follow the manufacturer’s guidelines and industry best practices during installation to ensure a secure and leak-free connection. Improper installation can lead to coupling failure under pressure.
  • Weld Quality: For socket weld and butt weld half couplings, the quality of the weld is paramount in high-pressure systems. Only qualified welders should perform the welding, and the welds must be thoroughly inspected to ensure they meet the necessary standards for strength and integrity.
  • Inspections and Testing: Regularly inspect the half couplings and the entire system for signs of wear, damage, or leaks. Implement non-destructive testing methods to assess the integrity of the couplings and welds. Pressure testing the system periodically can help identify potential weaknesses and ensure its reliability.
  • Temperature Considerations: High-pressure systems can generate significant heat, and temperature fluctuations can impact the integrity of the couplings. Ensure that the chosen materials can handle the temperature variations experienced in the system without compromising their strength and performance.
  • Stress Analysis: Conduct stress analysis of the piping system to identify potential stress points and ensure that the half couplings can handle the applied stresses. Proper support and anchoring of the system can reduce the stress on the couplings and prevent failures.
  • Training and Safety Protocols: Ensure that personnel working with high-pressure systems are well-trained and aware of the safety protocols. They should understand the potential risks associated with the system and know how to respond to emergencies or leaks effectively.
  • Emergency Shutdown Procedures: Establish clear and effective emergency shutdown procedures in case of unforeseen incidents. This can help minimize damage and risks to personnel in the event of a coupling failure or system breach.

By taking these safety considerations into account, operators can mitigate the risks associated with using half couplings in high-pressure systems. Proper planning, material selection, installation, and maintenance are key to ensuring the safe and reliable operation of the system under high pressure.

half coupling

How do you Select the Right Half Coupling Material Based on the Fluid or Gas being Conveyed?

Choosing the appropriate material for half couplings is essential to ensure their compatibility with the fluid or gas being conveyed. The selection process involves considering several factors related to the nature of the conveyed substance and the specific operating conditions. Here’s a step-by-step guide on how to select the right half coupling material:

  1. Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the piping system. Different materials may be required depending on whether the conveyed substance is water, oil, gas, chemicals, steam, or any other medium.
  2. Consider the Chemical Compatibility: Evaluate the chemical properties of the conveyed substance. Some fluids or gases can be corrosive or reactive with certain materials. Look for half coupling materials that are chemically resistant to the specific medium to prevent degradation or premature failure.
  3. Assess the Temperature and Pressure: Take into account the operating temperature and pressure of the system. High-temperature fluids or gases may require materials with excellent heat resistance, while high-pressure applications demand strong and durable coupling materials that can withstand the stress.
  4. Check for Abrasion or Erosion: In systems where the conveyed substance contains solid particles or abrasive materials, consider half coupling materials with good wear resistance to prevent premature wear and damage to the coupling surface.
  5. Verify Material Standards: Ensure that the selected half coupling material complies with relevant industry standards such as ASTM, ASME, API, or ISO. These standards define the material’s properties and performance criteria, providing a reliable benchmark for quality and suitability.
  6. Consider Environmental Conditions: Evaluate the environmental factors that can affect the coupling’s performance, such as humidity, UV exposure, or exposure to harsh chemicals. Choose materials with appropriate coatings or properties to withstand the specific environmental conditions.
  7. Factor in Cost and Availability: Balancing performance requirements with cost considerations is essential. Select a half coupling material that meets the necessary performance criteria while fitting within the project’s budget. Additionally, ensure that the chosen material is readily available for procurement.

Common materials used for half couplings include carbon steel, stainless steel, alloy steel, brass, bronze, and various plastics such as PVC, CPVC, and PTFE. Each material has its advantages and limitations, making the selection process critical for a successful and reliable piping system.

By carefully considering the conveyed fluid or gas, chemical compatibility, temperature, pressure, abrasion resistance, and other relevant factors, you can make an informed decision and select the right half coupling material that will ensure a safe and efficient operation of the piping system.

half coupling

What is a Half Coupling and How is it Used in Piping and Plumbing Systems?

A half coupling is a type of pipe fitting used in piping and plumbing systems to connect two pipes of different sizes. It is a short, threaded piece with one end designed to be welded or screwed onto a larger pipe, and the other end allows for the attachment of a smaller pipe. The half coupling has internal threads on one end and a plain or beveled surface on the other end.

Half couplings are typically made from materials such as stainless steel, carbon steel, brass, or other suitable alloys, depending on the application and the medium being transported through the pipes.

In piping systems, half couplings are used for various purposes:

  1. Reducing Pipe Size: One common use of half couplings is to reduce the pipe size at a specific point in the system. For example, when a large pipe needs to be connected to a smaller pipe, a half coupling can be employed to create a smooth transition.
  2. Connection Points: Half couplings are often used at connection points where equipment, valves, or instruments are attached to the pipeline. They provide a secure and leak-proof joint.
  3. Repair and Maintenance: In the event of a pipe section damage, a half coupling can be used to cut out the damaged portion and replace it with a new pipe, facilitating quick repairs without the need to replace the entire pipeline.

The installation of a half coupling involves a few simple steps:

  1. Cutting and Preparing the Pipe: The larger pipe, to which the half coupling will be attached, is cut to the desired length, and the edge is cleaned and beveled to ensure a proper welding or threading joint.
  2. Attaching the Half Coupling: The half coupling is then welded or screwed onto the larger pipe end. For welding, proper welding techniques and safety measures must be followed to achieve a strong, reliable joint.
  3. Connecting the Smaller Pipe: The smaller pipe is threaded or inserted into the other end of the half coupling. The connection is tightened to ensure a secure fit, and sealing materials like Teflon tape or thread sealant may be used to prevent leaks.

In plumbing systems, half couplings serve similar functions, connecting different pipes or fixtures of various sizes. The installation process may vary slightly, depending on the type of plumbing materials and the specific application.

In summary, half couplings are essential components in piping and plumbing systems, enabling the connection of pipes with different diameters and facilitating repairs or adding connection points with ease and efficiency.

China Hot selling CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Simple Structure High Quality China Hot selling CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Simple Structure High Quality
editor by CX 2024-04-03

]]> China manufacturer CHINAMFG Js3500 Series Metallurgy Lifting Machinery Half Demount Flexible Grid Couplings https://half-coupling.com/china-manufacturer-chinamfg-js3500-series-metallurgy-lifting-machinery-half-demount-flexible-grid-couplings/ Tue, 02 Apr 2024 01:59:48 +0000 https://half-coupling.com/china-manufacturer-chinamfg-js3500-series-metallurgy-lifting-machinery-half-demount-flexible-grid-couplings/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

How do you Properly Install and Secure a Half Coupling to Ensure a Leak-Free Connection?

Properly installing and securing a half coupling is essential to ensure a leak-free and reliable connection in piping and plumbing systems. Follow these steps to achieve a secure joint:

  1. Cut and Prepare the Pipe: Start by cutting the larger pipe to the desired length, ensuring a clean and even edge. Use a deburring tool or file to remove any sharp edges or burrs that could interfere with the coupling’s sealing surface.
  2. Check Threads and Fit: For threaded half couplings, inspect the internal threads of the coupling and the external threads of the pipe. Make sure they are clean and free from debris or damage. Ensure that the threads match and fit properly, as any misalignment can lead to leaks.
  3. Apply Thread Sealant: Before attaching the half coupling, apply a suitable thread sealant, such as Teflon tape or pipe dope, to the male threads of the pipe. The sealant helps prevent leaks by filling any gaps or imperfections in the threads.
  4. Attach the Half Coupling: Thread the half coupling onto the pipe’s male threads carefully. Use a wrench to ensure a snug fit, but avoid over-tightening, as it may damage the threads or cause stress on the joint.
  5. For Socket Weld or Butt Weld Couplings: For socket weld half couplings, insert the smaller pipe into the coupling’s socket and align it properly. For butt weld half couplings, weld the coupling to the larger pipe’s end with proper welding techniques and safety measures. Follow industry standards for welding procedures and ensure a smooth and consistent weld for a leak-free joint.
  6. Check for Leaks: After installation, perform a leak test to ensure the joint is secure. Apply a pressure test or use a suitable leak-detection method to verify the connection’s integrity. If any leaks are detected, disassemble the joint, inspect for issues, and reassemble following the proper steps.
  7. Consider Thermal Expansion: In applications with temperature variations, consider the thermal expansion and contraction of the pipes. Provide sufficient flexibility in the system to accommodate these changes and prevent stress on the joints, which could lead to leaks over time.
  8. Follow Manufacturer’s Instructions: Always follow the manufacturer’s instructions and recommendations for the specific type and material of the half coupling being used. Different couplings may have unique installation requirements and torque specifications.

Proper installation and securing of a half coupling are crucial for maintaining the integrity of the piping or plumbing system and ensuring a leak-free connection. Following these steps and adhering to industry standards will help achieve a reliable and durable joint.

half coupling

How do you Select the Right Half Coupling Material Based on the Fluid or Gas being Conveyed?

Choosing the appropriate material for half couplings is essential to ensure their compatibility with the fluid or gas being conveyed. The selection process involves considering several factors related to the nature of the conveyed substance and the specific operating conditions. Here’s a step-by-step guide on how to select the right half coupling material:

  1. Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the piping system. Different materials may be required depending on whether the conveyed substance is water, oil, gas, chemicals, steam, or any other medium.
  2. Consider the Chemical Compatibility: Evaluate the chemical properties of the conveyed substance. Some fluids or gases can be corrosive or reactive with certain materials. Look for half coupling materials that are chemically resistant to the specific medium to prevent degradation or premature failure.
  3. Assess the Temperature and Pressure: Take into account the operating temperature and pressure of the system. High-temperature fluids or gases may require materials with excellent heat resistance, while high-pressure applications demand strong and durable coupling materials that can withstand the stress.
  4. Check for Abrasion or Erosion: In systems where the conveyed substance contains solid particles or abrasive materials, consider half coupling materials with good wear resistance to prevent premature wear and damage to the coupling surface.
  5. Verify Material Standards: Ensure that the selected half coupling material complies with relevant industry standards such as ASTM, ASME, API, or ISO. These standards define the material’s properties and performance criteria, providing a reliable benchmark for quality and suitability.
  6. Consider Environmental Conditions: Evaluate the environmental factors that can affect the coupling’s performance, such as humidity, UV exposure, or exposure to harsh chemicals. Choose materials with appropriate coatings or properties to withstand the specific environmental conditions.
  7. Factor in Cost and Availability: Balancing performance requirements with cost considerations is essential. Select a half coupling material that meets the necessary performance criteria while fitting within the project’s budget. Additionally, ensure that the chosen material is readily available for procurement.

Common materials used for half couplings include carbon steel, stainless steel, alloy steel, brass, bronze, and various plastics such as PVC, CPVC, and PTFE. Each material has its advantages and limitations, making the selection process critical for a successful and reliable piping system.

By carefully considering the conveyed fluid or gas, chemical compatibility, temperature, pressure, abrasion resistance, and other relevant factors, you can make an informed decision and select the right half coupling material that will ensure a safe and efficient operation of the piping system.

half coupling

What are the Various Types of Half Couplings and Their Specific Applications?

Half couplings come in different types, each designed to cater to specific applications and requirements in piping and plumbing systems. The various types of half couplings and their specific applications are as follows:

  • Threaded Half Couplings: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. These couplings are commonly used in applications where a secure and leak-proof joint is needed, such as connecting valves, instruments, or equipment to the pipeline.
  • Socket Weld Half Couplings: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. Socket weld half couplings are widely used in high-pressure applications and systems that require frequent disassembly.
  • Butt Weld Half Couplings: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The other end can be used to attach a smaller pipe. These couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.
  • Reducing Half Couplings: Reducing half couplings are used when a transition between different pipe sizes is needed. One end of the coupling has larger threads or a larger socket to accommodate a larger pipe, while the other end has smaller threads or a smaller socket to connect a smaller pipe. These couplings are commonly used in systems that require a change in pipe size, such as reducing the flow rate or connecting equipment with different pipe sizes.
  • Mechanical Grip Half Couplings: Mechanical grip half couplings use a mechanical mechanism to grip and secure the smaller pipe without welding or threading. They are commonly used in temporary connections or situations where frequent disassembly is necessary, such as in temporary test setups or during equipment maintenance.

The choice of half coupling type depends on the specific application, the pipe materials, the operating conditions, and the required joint strength. It is essential to follow industry standards and guidelines when selecting the appropriate type of half coupling to ensure the safety and efficiency of the piping or plumbing system.

In summary, various types of half couplings cater to different needs in piping and plumbing systems. Whether for permanent connections, temporary applications, or transitions between different pipe sizes, half couplings offer versatile solutions for joining pipes securely and efficiently.

China manufacturer CHINAMFG Js3500 Series Metallurgy Lifting Machinery Half Demount Flexible Grid Couplings China manufacturer CHINAMFG Js3500 Series Metallurgy Lifting Machinery Half Demount Flexible Grid Couplings
editor by CX 2024-04-02

]]> China Standard CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Shaft Hole Coupling https://half-coupling.com/china-standard-chinamfg-js3500-series-half-demount-flexible-grid-couplings-shaft-hole-coupling/ Fri, 29 Mar 2024 03:17:52 +0000 https://half-coupling.com/china-standard-chinamfg-js3500-series-half-demount-flexible-grid-couplings-shaft-hole-coupling/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

 

 

Company Profile

 

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

How do Temperature and Environmental Conditions Affect Half Coupling Performance?

The performance of half couplings can be significantly influenced by temperature and environmental conditions. These factors can affect the materials, integrity, and overall functionality of the coupling in various ways. Here’s how temperature and environmental conditions impact half coupling performance:

  • Temperature: Extreme temperatures, whether high or low, can affect the properties of the coupling material. For instance, at high temperatures, certain materials may experience reduced strength and increased susceptibility to creep or deformation. On the other hand, low temperatures can make some materials brittle and prone to cracking. It is essential to select half couplings made from materials that can withstand the expected temperature range in the application.
  • Corrosive Environments: Half couplings used in corrosive environments are exposed to chemical agents that can cause material degradation. Corrosion can weaken the coupling’s structure and lead to leaks. In such cases, using corrosion-resistant materials, coatings, or liners can be beneficial to maintain coupling performance and longevity.
  • Humidity and Moisture: Excessive humidity and moisture can accelerate corrosion and contribute to the deterioration of the coupling over time. Regular cleaning and protection against moisture ingress are necessary to ensure optimal performance in damp environments.
  • Abrasive Particles: In industrial settings with abrasive particles present in the fluid or environment, half couplings may experience wear and erosion. This can lead to surface damage and affect the coupling’s sealing ability. Selecting materials with high wear resistance and using filters or strainers to remove abrasive particles can help mitigate these effects.
  • UV Radiation: In outdoor applications exposed to sunlight, UV radiation can degrade certain materials, particularly polymers and elastomers. Couplings made from UV-resistant materials or employing protective coatings can help counteract this effect.
  • Thermal Expansion: Temperature fluctuations cause thermal expansion and contraction of the pipes and the half couplings. In systems where thermal expansion is not adequately accommodated, stress on the couplings can lead to leaks or joint failure over time. Providing expansion joints or using materials with low thermal expansion coefficients can address this issue.
  • Altitude: At higher altitudes, air pressure is reduced, which can affect system performance, especially if the half couplings are not designed for such conditions. It is essential to consider altitude-related effects on pressure and temperature when selecting the appropriate coupling materials.
  • Weather and Climate: Half couplings installed outdoors are exposed to weather conditions like rain, snow, hail, and extreme temperatures. These factors can impact the coupling’s integrity and performance. Regular maintenance and inspections become crucial to identify and address any weather-related damages.

To ensure optimal half coupling performance, it is essential to consider the specific temperature and environmental conditions of the application. Choosing suitable materials, applying protective coatings, and implementing proper maintenance practices are essential steps to enhance the longevity and reliability of half couplings in various operating environments.

half coupling

Can a Half Coupling be Used in both Residential and Industrial Applications?

Yes, a half coupling can be used in both residential and industrial applications, depending on the specific requirements of the plumbing or piping system. Half couplings are versatile fittings that find application in various settings due to their design and functionality.

Residential Applications: In residential plumbing systems, half couplings can be utilized for several purposes. They are commonly used in household plumbing repairs and installations where a secure connection between pipes or components is needed. For example, half couplings can be used to attach fixtures such as faucets, showerheads, or water heaters to the water supply lines. Additionally, they are employed in various DIY projects and renovations around the house, providing a reliable and leak-resistant connection between pipes of different sizes or materials.

Industrial Applications: Half couplings are extensively used in industrial applications due to their ability to connect pipes and components in a range of systems. In industrial settings, half couplings are employed in piping systems for water, air, chemicals, gases, and other fluids. They are commonly found in power plants, chemical processing plants, refineries, petrochemical facilities, and manufacturing plants, among others. These couplings play a crucial role in creating reliable joints for conveying materials and maintaining the overall integrity of the industrial processes.

While half couplings are suitable for both residential and industrial applications, there are certain considerations to keep in mind. For residential use, the materials and pressure ratings of the half couplings should be appropriate for household water supply systems, which generally operate at lower pressures compared to industrial systems. In industrial applications, the materials, dimensions, and pressure ratings of the half couplings must meet the specific requirements of the industrial processes, which often involve higher pressures and harsher environmental conditions.

Regardless of the application, it is essential to select high-quality half couplings that comply with relevant industry standards and are appropriate for the intended use. Proper installation and maintenance of the couplings are also crucial to ensure a leak-free and reliable connection in both residential and industrial settings.

half coupling

What are the Various Types of Half Couplings and Their Specific Applications?

Half couplings come in different types, each designed to cater to specific applications and requirements in piping and plumbing systems. The various types of half couplings and their specific applications are as follows:

  • Threaded Half Couplings: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. These couplings are commonly used in applications where a secure and leak-proof joint is needed, such as connecting valves, instruments, or equipment to the pipeline.
  • Socket Weld Half Couplings: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. Socket weld half couplings are widely used in high-pressure applications and systems that require frequent disassembly.
  • Butt Weld Half Couplings: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The other end can be used to attach a smaller pipe. These couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.
  • Reducing Half Couplings: Reducing half couplings are used when a transition between different pipe sizes is needed. One end of the coupling has larger threads or a larger socket to accommodate a larger pipe, while the other end has smaller threads or a smaller socket to connect a smaller pipe. These couplings are commonly used in systems that require a change in pipe size, such as reducing the flow rate or connecting equipment with different pipe sizes.
  • Mechanical Grip Half Couplings: Mechanical grip half couplings use a mechanical mechanism to grip and secure the smaller pipe without welding or threading. They are commonly used in temporary connections or situations where frequent disassembly is necessary, such as in temporary test setups or during equipment maintenance.

The choice of half coupling type depends on the specific application, the pipe materials, the operating conditions, and the required joint strength. It is essential to follow industry standards and guidelines when selecting the appropriate type of half coupling to ensure the safety and efficiency of the piping or plumbing system.

In summary, various types of half couplings cater to different needs in piping and plumbing systems. Whether for permanent connections, temporary applications, or transitions between different pipe sizes, half couplings offer versatile solutions for joining pipes securely and efficiently.

China Standard CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Shaft Hole Coupling China Standard CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Shaft Hole Coupling
editor by CX 2024-03-29

]]> China manufacturer CHINAMFG Js3500 Series Half Demount Type Spring Machinery Connection Flexible Grid Couplings https://half-coupling.com/china-manufacturer-chinamfg-js3500-series-half-demount-type-spring-machinery-connection-flexible-grid-couplings/ Wed, 27 Mar 2024 01:26:01 +0000 https://half-coupling.com/china-manufacturer-chinamfg-js3500-series-half-demount-type-spring-machinery-connection-flexible-grid-couplings/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

Can a Half Coupling be Threaded or Welded onto Pipes?

Yes, a half coupling can be both threaded and welded onto pipes in piping and plumbing systems. The method of attachment depends on the type of half coupling and the specific application requirements.

Threaded Half Coupling: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. To install a threaded half coupling, the larger end with internal threads is screwed onto the male threads of the larger diameter pipe. The smaller pipe is then threaded into the other end of the half coupling, creating a secure and leak-proof joint. Threaded half couplings are commonly used when frequent disassembly may be required or when connecting components like valves or instruments to the pipeline.

Socket Weld Half Coupling: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. The larger diameter pipe is inserted into the socket, and a fillet weld is applied around the outside of the coupling to secure the smaller pipe. Socket weld half couplings are often used in high-pressure applications and systems that require a robust and reliable connection.

Butt Weld Half Coupling: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The smaller pipe is inserted into the other end of the half coupling, and a butt weld is applied to secure the joint. Butt weld half couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.

The choice between threaded and welded half couplings depends on factors such as the operating conditions, the type of fluid being transported, and the required joint strength. Threaded half couplings offer ease of installation and disassembly, making them suitable for applications where frequent maintenance is needed. On the other hand, socket weld and butt weld half couplings provide permanent and strong connections, making them suitable for high-pressure and critical systems.

Regardless of the method of attachment, it is essential to ensure proper installation and adherence to industry standards to achieve a secure and leak-free connection. Regular inspection and maintenance of the half couplings and the entire piping system are also necessary to detect any signs of wear, corrosion, or damage and address them promptly.

half coupling

How do you Calculate the Required Size and Specifications for a Half Coupling?

Calculating the required size and specifications for a half coupling involves considering several factors related to the piping system and the intended application. Here’s a step-by-step guide on how to calculate the size and specifications:

  1. Identify the Pipe Size: Determine the size of the pipe to which the half coupling will be connected. The pipe size is usually specified in inches and represents the nominal diameter of the pipe.
  2. Consider the Pipe Material: Know the material of the pipe, such as carbon steel, stainless steel, PVC, copper, or others. The half coupling material should be compatible with the pipe material to avoid any galvanic corrosion or other issues.
  3. Assess the Operating Pressure: Determine the maximum operating pressure of the system in which the half coupling will be used. The half coupling should have a pressure rating that exceeds the maximum operating pressure to ensure safety and reliability.
  4. Calculate the Torque Requirements: For threaded half couplings, calculate the required torque for proper thread engagement. The torque calculation involves considering the thread pitch, thread diameter, and the material of the pipe and coupling.
  5. Check the Temperature Range: Evaluate the temperature range in which the half coupling will be operating. Ensure that the material chosen can withstand the maximum and minimum temperatures of the system without any adverse effects.
  6. Account for Environmental Factors: Consider any environmental factors that may affect the half coupling’s performance, such as exposure to chemicals, UV radiation, or extreme weather conditions. Select a material and coating, if necessary, to protect the coupling from environmental degradation.
  7. Verify Compliance with Standards: Ensure that the selected half coupling meets relevant industry standards and specifications, such as ASME, ASTM, API, or ISO, to guarantee its quality and performance.
  8. Factor in the Application: Consider the specific application of the half coupling, such as its use in a water supply system, chemical process, high-pressure pipeline, or industrial equipment. The application requirements will influence the material selection, pressure rating, and other specifications.
  9. Consult with Experts: If unsure about the calculations or specifications, consult with piping system experts or engineers who can provide guidance and ensure the proper selection of the half coupling based on the system’s requirements.

By following these steps and carefully considering the pipe size, material, pressure, torque, temperature, environmental conditions, compliance with standards, application, and seeking expert advice when needed, you can accurately calculate the required size and specifications for a half coupling that will perform optimally in the piping system.

half coupling

What are the Various Types of Half Couplings and Their Specific Applications?

Half couplings come in different types, each designed to cater to specific applications and requirements in piping and plumbing systems. The various types of half couplings and their specific applications are as follows:

  • Threaded Half Couplings: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. These couplings are commonly used in applications where a secure and leak-proof joint is needed, such as connecting valves, instruments, or equipment to the pipeline.
  • Socket Weld Half Couplings: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. Socket weld half couplings are widely used in high-pressure applications and systems that require frequent disassembly.
  • Butt Weld Half Couplings: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The other end can be used to attach a smaller pipe. These couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.
  • Reducing Half Couplings: Reducing half couplings are used when a transition between different pipe sizes is needed. One end of the coupling has larger threads or a larger socket to accommodate a larger pipe, while the other end has smaller threads or a smaller socket to connect a smaller pipe. These couplings are commonly used in systems that require a change in pipe size, such as reducing the flow rate or connecting equipment with different pipe sizes.
  • Mechanical Grip Half Couplings: Mechanical grip half couplings use a mechanical mechanism to grip and secure the smaller pipe without welding or threading. They are commonly used in temporary connections or situations where frequent disassembly is necessary, such as in temporary test setups or during equipment maintenance.

The choice of half coupling type depends on the specific application, the pipe materials, the operating conditions, and the required joint strength. It is essential to follow industry standards and guidelines when selecting the appropriate type of half coupling to ensure the safety and efficiency of the piping or plumbing system.

In summary, various types of half couplings cater to different needs in piping and plumbing systems. Whether for permanent connections, temporary applications, or transitions between different pipe sizes, half couplings offer versatile solutions for joining pipes securely and efficiently.

China manufacturer CHINAMFG Js3500 Series Half Demount Type Spring Machinery Connection Flexible Grid Couplings China manufacturer CHINAMFG Js3500 Series Half Demount Type Spring Machinery Connection Flexible Grid Couplings
editor by CX 2024-03-27

]]> China Best Sales CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Used in Stone Crusher Reducor https://half-coupling.com/china-best-sales-chinamfg-js3500-series-half-demount-flexible-grid-couplings-used-in-stone-crusher-reducor/ Sun, 03 Mar 2024 02:59:05 +0000 https://half-coupling.com/china-best-sales-chinamfg-js3500-series-half-demount-flexible-grid-couplings-used-in-stone-crusher-reducor/

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type Norminal Torque
Nm		 Permit Speed 
r/min		 Hole d1,d2 D BE A F L Clearance K Grease
Kg		 Without bore Weight
Kg
max min min max
JS3501 45 3600 28 14 98 45 100 40 40 52 3 0.03 2.9
JS3502 125 3600 35 14 110 45 110 50 40 52 3 0.03 3.9
JS3503 224 3600 42 14 120 45 110 55 41 52 3 0.06 5.9
JS3504 400 3600 48 14 138 55 110 65 45 62 3 0.06 9
JS3505 630 3600 55 19 155 65 165 75 52 62 3 0.09 13.5
JS3506 900 3600 65 19 170 65 165 90 55 62 3 0.09 17.5
JS3507 1800 3500 75 28 195 95 205 105 66 112 4 0.17 28.5
JS3508 3150 3500 85 28 212 95 205 125 70 112 4 0.26 42.5
JS3509 5600 2450 100 42 248 105 205 140   142 6 0.43 70.5
JS3510 8000 2300 110 42 274 105 205 160   142 6 0.51 95
JS3511 12500 2000 125 60 324 125 205 180   142 6 0.74 138
JS3512 18000 1800 150 70 368 130 205 220   172 6 0.91 187
JS3513 25000 1600 180 70 400 135 205 255   172 6 1.14 257
JS3514 35500 1500 200 110 458 175 190 270   212 6 1.9 340
JS3515 50000 1300 220 120 500 180 205 305   212 6 2.8 430
JS3516 63000 1200 250 130 565 195 225 360   252 6 3.5 636
JS3517 90000 1100 275   610 200 250 395   252 6 3.7 852
JS3518 125000 1000 305   675 210 270 440   302 6 4.4 1118
JS3519 180000 900 330   755 225 290 500   302 6 5.6 1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery 
Parts Name		 Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

half coupling

Are there Specific Safety Considerations when Using Half Couplings in High-Pressure Systems?

Yes, there are specific safety considerations to keep in mind when using half couplings in high-pressure systems. High-pressure applications pose unique challenges, and it is crucial to follow safety protocols to prevent potential hazards and ensure the integrity of the piping or plumbing system. Here are the key safety considerations:

  • Pressure Ratings: Ensure that the half couplings used in high-pressure systems are rated for the intended pressure levels. Half couplings have specific pressure ratings based on their design and material. Exceeding these ratings can lead to coupling failure and catastrophic leaks.
  • Material Selection: Choose half couplings made from suitable materials capable of withstanding the pressures and conditions of the system. High-pressure applications often require stronger and more durable materials, such as stainless steel or high-grade alloys.
  • Proper Installation: Accurate and proper installation is critical in high-pressure systems. Follow the manufacturer’s guidelines and industry best practices during installation to ensure a secure and leak-free connection. Improper installation can lead to coupling failure under pressure.
  • Weld Quality: For socket weld and butt weld half couplings, the quality of the weld is paramount in high-pressure systems. Only qualified welders should perform the welding, and the welds must be thoroughly inspected to ensure they meet the necessary standards for strength and integrity.
  • Inspections and Testing: Regularly inspect the half couplings and the entire system for signs of wear, damage, or leaks. Implement non-destructive testing methods to assess the integrity of the couplings and welds. Pressure testing the system periodically can help identify potential weaknesses and ensure its reliability.
  • Temperature Considerations: High-pressure systems can generate significant heat, and temperature fluctuations can impact the integrity of the couplings. Ensure that the chosen materials can handle the temperature variations experienced in the system without compromising their strength and performance.
  • Stress Analysis: Conduct stress analysis of the piping system to identify potential stress points and ensure that the half couplings can handle the applied stresses. Proper support and anchoring of the system can reduce the stress on the couplings and prevent failures.
  • Training and Safety Protocols: Ensure that personnel working with high-pressure systems are well-trained and aware of the safety protocols. They should understand the potential risks associated with the system and know how to respond to emergencies or leaks effectively.
  • Emergency Shutdown Procedures: Establish clear and effective emergency shutdown procedures in case of unforeseen incidents. This can help minimize damage and risks to personnel in the event of a coupling failure or system breach.

By taking these safety considerations into account, operators can mitigate the risks associated with using half couplings in high-pressure systems. Proper planning, material selection, installation, and maintenance are key to ensuring the safe and reliable operation of the system under high pressure.

half coupling

What are some Real-World Examples of Half Coupling Usage in Different Industries?

Half couplings are widely used in various industries to create reliable connections between pipes and components. Here are some real-world examples of half coupling usage in different industries:

  1. Oil and Gas Industry: In the oil and gas sector, half couplings are commonly used in pipelines for crude oil, natural gas, and refined products transportation. They are also employed in offshore platforms, refineries, and petrochemical plants to connect pipes and fittings in high-pressure and corrosive environments.
  2. Chemical Processing: The chemical industry utilizes half couplings to connect pipes carrying various chemicals and corrosive substances. The coupling’s resistance to corrosion is vital to ensure the integrity of the piping system in these applications.
  3. Power Generation: In power plants, half couplings are employed in steam and water pipelines, allowing efficient transfer of heat and fluids in boilers and condensers. They are also used in cooling water systems and various auxiliary processes.
  4. Food and Beverage: In food processing facilities, stainless steel half couplings are widely used due to their hygienic properties. They help connect pipes in systems for handling water, beverages, dairy products, and other food items, ensuring sanitation and preventing contamination.
  5. Marine Industry: Half couplings are used in shipbuilding and offshore structures to create connections in piping systems for various applications, including cooling, ballast, and fuel transfer.
  6. Water and Wastewater Treatment: In municipal water supply and wastewater treatment plants, half couplings are employed to connect pipes and fittings in water distribution and treatment systems, as well as in sewer networks.
  7. Agriculture: In agricultural settings, half couplings are used to connect pipes for irrigation systems, water supply, and chemical distribution in farming operations.
  8. Manufacturing: The manufacturing industry utilizes half couplings in various fluid and gas transfer systems for machinery and equipment, as well as in compressed air lines.
  9. Construction: In construction projects, half couplings are used to connect pipes for plumbing, HVAC systems, and other applications in buildings and infrastructure projects.
  10. Fire Protection: In fire sprinkler systems, half couplings are employed to connect pipes carrying water or other fire suppressant agents, ensuring effective fire protection in commercial, industrial, and residential buildings.

These examples demonstrate the versatility and significance of half couplings in different industries, where they play a crucial role in creating leak-free and reliable connections in piping systems. The choice of the half coupling material, size, and specifications may vary depending on the specific application and the environmental conditions in which it operates.

half coupling

What are the Standard Sizes and Dimensions Available for Half Couplings?

Half couplings, as pipe fittings used in piping and plumbing systems, are available in various standard sizes and dimensions to accommodate different pipe sizes and applications. The sizes and dimensions of half couplings depend on the pipe’s nominal diameter and the specifications set by industry standards organizations. Some common standard sizes and dimensions for half couplings are as follows:

  • Thread Sizes: Half couplings come with different thread sizes to match the corresponding pipe threads. Common thread sizes for half couplings include 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 2-1/2″, 3″, 4″, 5″, 6″, and larger.
  • Length: The length of a half coupling refers to the distance from one end to the other. It is typically a few inches, depending on the pipe size and application requirements. Lengths for half couplings can range from around 1 inch to 12 inches or more.
  • Outer Diameter (OD): The outer diameter of a half coupling refers to the measurement across the widest point of the coupling’s external surface. It corresponds to the pipe’s outer diameter it is intended to connect to. Common OD sizes for half couplings include 1.05″, 1.32″, 1.66″, 1.90″, 2.38″, 2.88″, 3.50″, 4.50″, 5.56″, 6.63″, 8.63″, and others.
  • Materials: Half couplings are available in various materials, as mentioned in the previous answer. The material selection depends on factors such as the type of fluid being transported, the temperature, the pressure, and the corrosion resistance requirements.

It is essential to refer to industry standards, such as ANSI (American National Standards Institute), ASME (American Society of Mechanical Engineers), or ASTM (American Society for Testing and Materials), to ensure that the half couplings meet the specific dimensional and material requirements of the application.

When selecting a half coupling, it is crucial to consider the following factors:

  • Pipe Size Compatibility: Ensure that the half coupling’s thread size matches the pipe’s thread size to create a secure and leak-proof connection.
  • Application Requirements: Consider the operating conditions, including pressure, temperature, and the nature of the fluid being transported, to choose the appropriate material and dimensions for the half coupling.
  • Standards Compliance: Select half couplings that meet industry standards to ensure safety and compatibility with other components in the system.

In summary, half couplings are available in various standard sizes and dimensions, with different thread sizes and materials to accommodate diverse pipe sizes and applications. Proper selection based on the specific requirements of the piping or plumbing system is essential for ensuring a reliable and efficient connection between pipes.

China Best Sales CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Used in Stone Crusher Reducor China Best Sales CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Used in Stone Crusher Reducor
editor by CX 2024-03-03

]]>