half coupling – half coupling

China Good quality Stainless Steel NPT Threaded Half Coupling

ep — Thu, 09 May 2024 02:57:38 +0000

Product Description

PRODUCT INFORMATION

Product name	Stainless steel thread pipe fittings
Material	SS201, SS304/CF8, SS316/CF8M and so on
Size	1/4”-4”&DN6-DN100
Certificate	ISO9001: 2000, CE
Pressure	150LB
Connection Ends	Socket Weld or Threaded: NPT, BSP, BSPT etc
Suitable medium	Petroleum, chemical, power, gas, water, pipeline, heat exchanger, shipbuilding, construction, high&low pressure pipeline, etc
Temperature Range	-20-300 degree C
Type	Elbow, tee, street elbow, cross, coupling, hex nipple, barrel nipple, plug, bushing, cap, union, hose nipple, welding nipple, hex. nut, etc
Our advantage	We have been worked in this area for more than 15 years, and we know each market’s request, with a good reputation among our customers, we always pursuit a high quality and best service and price
	Sample test before machining, and 100% test after the machining
	We also have a series of products such as: flanges, pipes, forged fittings, ball valves and butterfly valves; And some hardware parts such: post anchors, ground screws, and some other wooden connectors
	7 days / 24 hours online service, and fastest delivery time
	We can do OEM products
Delivery time	Usually 25 days around and can negotiate as per order qty
Shipping port	ZheJiang XIHU (WEST LAKE) DIS.G
Term of Payment	T/T, L/C, DP, etc
Package detail	Polybag+cartons+pallet / wooden case
Application	Stainless steel pipeline system, water system, petroleum system, etc

PRODUCT ADVANTAGE

1.Strong toughness, high hardness, easy to use, easy to install
2.Thicker is more durable and reliable, corrosion-resistant, explosion-proof and compression-resistant
3.Lengthen and deepen the thread, thicken the body

OUR COMPANY

HangZhou Bewin pipeline Co., Ltd is 1 of the leading companies dealing in exporting Pipes, Ball Valves, Flanges, Forged Fittings, etc.
Our product range includes: Carbon, alloy and stainless steel. Valve grades including ANSI, JIS, DIN. Pipes in various grades including API-5CT, API-5L, ASTM, ISO, DIN, GB/T. Flanges including ASME, JIS, DIN, NPT, etc.
We have advanced equipment, skilled workers and a strict QC system to ensure accurate size and high-quality products.

FAQ

Q: Are you manufacturer or trading company?
A: We are a manufacturer which was established in 2008 and have 11 years producing experience.
Q: What’s the advantage of your parts for industry products?
A: Competitive prices, high quality and fast delivery.
Q: How is your payment term?
A: Generally, our payment term is T/T 30% in advance and the balance 70% against the copy of B/L.

/* 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

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:

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.
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.
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.
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.
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.
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.
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.
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.

What are the Differences Between Half Couplings and Full Couplings in Pipe Fittings?

In pipe fittings, both half couplings and full couplings serve the purpose of joining two pipes together, but they differ in their design and applications. Here are the key differences between half couplings and full couplings:

Design: The main difference lies in their design. A half coupling has one end with internal threads or a socket, allowing it to be connected to a threaded pipe or inserted into the end of a pipe without threading. The other end of the half coupling is an open end, ready to be welded or threaded to another pipe. On the other hand, a full coupling has both ends with female threads, enabling it to connect two threaded pipes directly without the need for welding.
Function: Half couplings are commonly used to create a joint between a pipe and a component such as a valve, pump, or pressure gauge. The open end of the half coupling facilitates easy attachment to the component, while the threaded or socketed end connects to the pipe. On the other hand, full couplings are used when a direct, rigid connection between two pipes is needed, providing a continuous flow path without any interruptions.
Application: Half couplings are frequently used in situations where frequent disassembly or maintenance may be required. For example, in systems with valves that need periodic inspection or replacement, a half coupling allows for easy removal without disturbing the entire pipeline. Full couplings, on the other hand, are more suitable for applications where a permanent, leak-proof connection is needed, such as in pressurized systems or critical process pipelines.
Length: Full couplings are typically longer than half couplings because they need to accommodate two threaded ends, while half couplings have one threaded or socketed end and an open end, making them shorter in length.
Installation: The installation process differs for half and full couplings. Half couplings are welded or threaded onto one pipe end and then connected to another pipe or component using welding or threading, respectively. Full couplings, on the other hand, directly join two pipes with threaded ends, requiring no additional welding or threading.
Flexibility: Half couplings offer more flexibility due to their ability to connect to different types of components or pipes with varying end connections. Full couplings are less flexible in this regard, as they can only join two threaded pipes together.

Overall, the choice between half couplings and full couplings depends on the specific requirements of the piping system, including the need for temporary connections, the type of components being attached, the nature of the fluid being transported, and the desired level of joint permanence and flexibility.

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.

editor by CX 2024-05-09

China best ASTM Sch 40 Black Iron Half Coupling NPT Threaded

ep — Thu, 09 May 2024 02:56:47 +0000

Product Description

Detailed Photos

Product Description

Features:
Material :ASTM A865 / BS EN 15711
Dimensions :ASTM A865 / BS EN 15711
Threads :ASME B1.20.1/NPSC / NPT / BSPT/ ISO 7/1
Type: For STD pipe, XS pipe, XXS pipe
Surface: Black / galvanized
Schedule :Standard/Extra-Strong/Medium/Heavy

Half couplings are available in black, galvanized and stainless steel. Full Merchant couplings are used when stronger coupling fittings are required. For example, you can use an Full Merchant coupling in the downpipe of a well because it can hold the weight of the pipes, water and submersible pump. If a stronger joint is required, drop tube joints specifically designed for these applications are available. Black all Full Merchant are also available for applications requiring welding.

Note that Full Merchant couplings should never be used as fittings in plumbing systems where a watertight seal is critical. However, tapered Full Merchant are available for such applications.

Half merchant couplings are half the size and are used to provide threaded outlets on the flat face of metal tanks. The tank is drilled with holes/ports and the coupling halves are welded to the tank centered on the ports. One half of the coupling goes all the way through the threads, but is squared off at 1 end to aid in welding to the tank.

Half merchant couplings are designed for welding and are therefore only available in black finish. This means they are not available with a galvanized finish, as welding galvanized fittings produces fumes which are harmful to health.

Produce process

Product Parameters

Quality control

Fluid Tech Group is a professional manufacturer of pipe fittings in China. All products are designed, manufactured and tested in strict accordance with DIN, BS, ISO, ANSI, API and JIS standards.
The main products include steel pipe joints, steel sockets and sockets: black or galvanized, seamless or welded; stainless steel pipe fittings, King Nipple: unions, elbows, reducers, bushings, couplings, caps, nuts, soft Pipe joints, etc.; butt welding pipe fittings. We also offer pipe cutting, bending, threading and end finishing, exclusively to meet custom services. At present, our products are exported to North America, Europe, Central and South America, Southeast Asia, Middle East and Africa markets, and the products are very popular.

Application and Case

Products are used in fire protection system, water system, CHINAMFG system, plumbing, gas system, irrigation system, etc.These products are used in many projects , such as ZheJiang Airport, ZheJiang World Trade Center, Canton Tower and other famous landmark projects

Packaging & Shipping

FAQ

1. What is the minimum quantity of the order?
Answer: The purchase volume of mixed products is 4 tons

2. How long is the delivery time of the order?
Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days.

3. What payment methods do you accept?
Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc.

4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse?
Answer: The port of departure of our goods is generally ZheJiang Port or HangZhou Port. We can transport the goods to designated warehouses, such as HangZhou, HangZhou, etc.

5. What certificates do your products have?
Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV

6.What are the series of your products?
Answer: Our products are divided into heavy series, medium series and light series according to different markets and standards. In order to buy more competitive products for you, please communicate your purchasing needs with the salesperson.

7. Do product packaging cartons and labels support customization?
Answer: Packaging cartons and labels can be customized according to customer requirements.

8.Does the purchased product support customization?
Answer: The product supports customization, but there are purchase quantity requirements and mold costs. For details, please consult the salesperson.

9.What are the packaging methods of the product?
Answer: The packaging of the product includes carton packaging, pallet packaging, wooden box packaging, and woven bag packaging.
/* 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

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.

Are there Industry Standards or Certifications for Half Couplings?

Yes, there are industry standards and certifications for half couplings to ensure their quality, performance, and safety. These standards are established by various organizations to provide guidelines for manufacturers, distributors, and users of half couplings. Compliance with these standards helps maintain consistency, reliability, and compatibility within the industry. Some of the prominent standards and certifications related to half couplings include:

ASME B16.11: The American Society of Mechanical Engineers (ASME) sets the ASME B16.11 standard for forged fittings, including socket weld and threaded half couplings. This standard covers the requirements for materials, dimensions, ratings, testing, and marking of forged fittings used in high-pressure applications.
ASTM A105 / ASTM A182: ASTM International establishes standards for materials used in various industries. ASTM A105 covers forged carbon steel piping components, including couplings, for ambient and higher-temperature service. ASTM A182 includes specifications for forged or rolled alloy-steel pipe flanges, forged fittings, and valves and is commonly referenced for high-temperature or corrosive applications involving half couplings made from alloy steels.
API 5CT / API 5L: The American Petroleum Institute (API) develops standards for the oil and gas industry. API 5CT specifies requirements for casing and tubing, and API 5L covers seamless and welded steel line pipe. In oil and gas applications, half couplings used for connecting casing and tubing components are expected to meet the API standards.
ISO 9001: The International Organization for Standardization (ISO) sets the ISO 9001 standard for quality management systems. Manufacturers of half couplings can obtain ISO 9001 certification to demonstrate their commitment to consistent quality and continuous improvement in their processes and products.
UL Listing: Underwriters Laboratories (UL) offers product testing and certification services. Half couplings used in fire protection systems or other safety-critical applications may undergo testing and receive UL listing to ensure compliance with fire safety and performance standards.
Pressure Equipment Directive (PED): In the European Union, the Pressure Equipment Directive sets requirements for the design, manufacture, and conformity assessment of pressure equipment, including half couplings used in pressurized systems. Compliance with PED is mandatory for certain pressure equipment intended for use in the EU market.

It is essential for users and buyers of half couplings to verify that the products they purchase meet the relevant industry standards and certifications. Ensuring compliance with these standards helps assure the performance, safety, and reliability of half couplings in various applications and industries.

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.

editor by CX 2024-05-09

China supplier Socket Welding Forged Steel Half Coupling (YZF-F239)

ep — Thu, 09 May 2024 02:55:44 +0000

Product Description

Socket Welding Forged Steel Half Coupling (YZF-F239)

Material	carbon steel, alloy steel, stainless steel
Standard	ANSI B16.11
Size	1/8″ -8″
Pressure rating	1500lb, 2000lb, 3000lb, 6000lb, 9000lb
Finish	Hot Dipped Galvanized, Electro Galvanized, Natural finished, Chemical black
Type	Half Coupling, Full Coupling, Reducing Coupling & Customized Coupling
Marking	standard or as customer’ s need
Inspection	in-house or the third party
Application	Petroleum, chemical, machinery, electric power, shipbuilding, construction, etc
Delivery Time	within 25-30 days after we have confirmed your order
MOQ	10 pieces
Packing	wooden cases or pallets or as per requirement
Productivity	300000 tons per year

More Pictures:

Company Information:

1:Professional pipe fittings factory, we can manufacture all kinds of pipe fittings.

2:The spirit of our company: Scientific Development, Constant Progress, Harmonious Cooperation, CHINAMFG Integrity.

3:The principle of operation: Coordinate, Development, Mutual Benefit, Common prosperity, Customer First.

4:The attitude of work: Work together, Enjoy Together, Progress Together, Develop Together.
5:Export-oriented factory. Export to North America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America as well as other regions.

FAQ:

Q1: Are you trading company or manufacturer?

We, CHINAMFG COMPANY LTD. CO., is a combination of production and trade, industry integration business.

Q2: Is the price of your products lower than others?
We can not promise you the lowest price,because the best quality is what we pursue firstly.

Q3: What’s your payment terms?
We recommend our customer different terms of payment based on different order amount. Paypal, Western Union, T/T, LC are all acceptable.

Q4: Can you provide us with some samples for testing?
A: Of course, we can offer you samples.You only need to bear the freight and samples’ charge can be negotiated.

Q5: How about your service?
A: We have pre-sale service, in-sale service and after-sale service. As “Customer First” is the most important principle of company operation.

If any problems not in the above-mentioned answers, you can contact us directly. We will help you to solve the problem with carefulness and patience.
/* 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

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.

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:

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.
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.
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.
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.
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.
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.
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.
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.
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.

What are the Different Materials Commonly Used for Manufacturing Half Couplings?

Half couplings are pipe fittings used in piping and plumbing systems to connect two pipes of different sizes. They are available in various materials, each offering unique properties suitable for different applications. Some of the commonly used materials for manufacturing half couplings include:

Stainless Steel: Stainless steel half couplings are popular due to their excellent corrosion resistance, high strength, and durability. They are ideal for applications involving aggressive or corrosive media and are commonly used in industries such as chemical processing, oil and gas, and food processing.
Carbon Steel: Carbon steel half couplings are known for their high tensile strength and affordability. They are widely used in industrial applications where the fluid being transported is not corrosive. Carbon steel couplings are commonly used in water supply systems, heating, and ventilation systems.
Brass: Brass half couplings are valued for their resistance to dezincification and corrosion. They are often used in plumbing systems, particularly for connecting copper pipes. Brass couplings find applications in water supply lines, plumbing fixtures, and other potable water-related applications.
Copper: Copper half couplings are commonly used in plumbing systems and HVAC (heating, ventilation, and air conditioning) applications. Copper is known for its excellent thermal conductivity and antimicrobial properties, making it suitable for applications where heat transfer and cleanliness are crucial.
Aluminum: Aluminum half couplings are lightweight and corrosion-resistant, making them suitable for specific industrial and marine applications. They are often used in the transport of certain chemicals and in offshore installations.
Bronze: Bronze half couplings are known for their strength and resistance to corrosion and wear. They find applications in marine environments, particularly for seawater piping systems, as well as in some oil and gas applications.

The choice of material for half couplings depends on various factors such as the nature of the fluid being transported, the operating conditions, the required strength, and the budget constraints. Proper material selection is essential to ensure the longevity and efficiency of the piping or plumbing system.

editor by CX 2024-05-09

China Best Sales Carbon Steel 3000/6000lb B16.11 Forged Fittings Socket Welding Half Coupling Full Coupling

ep — Thu, 09 May 2024 01:29:12 +0000

Product Description

Carbon Steel 3000/6000lb B16.11 Forged Fittings Socket Welding Half Coupling Full Coupling

Product Description

1. Forged Fittings Type: Elbow, cross, street elbow, tee, coupling, half coupling, cap, plug, bushing, union, outlet, sage nipple, bull plug, reducer insert, pipe nipple etc.

2. Connection: Socket Welded(male or female), Threaded

3. Size Range: 1/8″ – 4″(6mm – 100mm)

4. Pressure Rating:
Threaded Forged Pipe Fittings: 2000LBS, 3000LBS, 6000LBS
Socket welding Wog 3000, 6000, 9000 LBS

5. Specifications:
1) Standard: ASME B 16.11, MSS-SP-79\ 83\ 95\97
2) Material:Carbon steel: ASTM A105/A694 F42/ 46/52/56/60/65/70/A350 LF3/A350 LF2
Stainless steel: ASTM A182 F304/ F304/ F316/F316L/F317/ 317L/ F321/ F310/ 347/ 904
3) Size of raw material: Dia. 19-85mm round bar.

6. Technology: Forged

7. Packing: Wooden cases or wooden pallet or as per customers requirement

8. Delivery Time: 25 days after order conformed

9. Payment: By T/T or L/C

10. Applications range: Petroleum, chemical, machinery, electric power, shipbuilding,
Papermaking, construction etc

Detailed Photos

Certifications

Packaging & Shipping

Company Profile

Established in 1989, ZheJiang Shengtian Pipe-Fitting Group Co., Ltd. located in Xihu (West Lake) Dis. County ZheJiang Province China, covering a land area of 100,000 square meters, with a workshop of 25,000 square CHINAMFG and registered capital of 110 million RMB. Our company has a strong staff team. There are over 360 employees, including over 30 professionals and technicians.

We are capable of manufacturing various pipe fittings. Our main products scope: steel elbow, tees, bends, reducers, caps, forged flanges and sockets. We have been in this line for over 20 years. Our products are exported to many countries and regions, such as Southeast Asia, the Middle East, Europe and America etc. Our pipes and pipe fittings enjoy a good reputation in domestic and foreign markets. Every year, hundreds of foreign visitors and innumerable domestic visitors come to our company for business cooperation.

We have first-class inspection devices, perfect detecting means and well-trained specialists. And we stick to ISO9000:2000 quality system and efficiently control procedure in production. We have confidence that we can supply the best quality products. We would like to take responsibility for any quality uncertainty. Even so, our price is competitive. Besides, we can provide the best service to you.

In order to avoid the policy of the anti-dumping duties imposed on pipe & fittings from the Europe, United States and other countries, We can re-export through other countries like Malaysia, etc, to circumvent the anti-dumping duties, which could make you to win more competitive price.

Our products are in compliance with many international standards

Pipe Standard: ASTM A53,A106,API 5L,ASME B36.10M—1996.

Pipe-Fittings Standard: ANSI B16.9/16.28,DIN 2605 / 2616,JIS P2311 / 2312,GOST.

Flange Standard: ANSI B16.5,DIN Series,JIS Series,GOST Series.

KEYWORD: butt welded pipe fittings,ANSI B16.9 pipe fittings,seamless pipe fitting.

Our Advantages

Small order accept even we are Factory
Multiple size can be done. We organize items.
Good service from inquiry to end use. Take responsibility for any problems caused by us
Since 1989, we ZheJiang CHINAMFG Pipe-Fitting Group has a good reputation.

/* 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

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:

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.
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.
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.
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.
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.
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.
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.
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.

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:

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.
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.
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.
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.
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.
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.
Agriculture: In agricultural settings, half couplings are used to connect pipes for irrigation systems, water supply, and chemical distribution in farming operations.
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.
Construction: In construction projects, half couplings are used to connect pipes for plumbing, HVAC systems, and other applications in buildings and infrastructure projects.
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.

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

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.

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.

editor by CX 2024-05-09

China Good quality Gear Coupling, Half Coupling, Intermate Coupling for Shaft

ep — Thu, 09 May 2024 01:28:32 +0000

Product Description

Internal Gear Processing
Internal Gear Ring drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing.
Inner Gear Package
Spray anti-rust oil on large internal girth Gear, Wrap waterproof cloth around , Prepare package by shaft shape & weight to choose steel frame, steel support or wooden box etc.
OEM Customized Large Inner Gear Ring
We supply OEM SERVICE, customized internal helical gear with big module, more than 1tons big weight, more than 3m length, 42CrMo/35CrMo or your specified required material inner gear ring.

Detailed Photos

Product Parameters

Module	m	Range: 5~70
Gear Teeth Number	z	OEM/Customized
Teeth Height	H	OEM/Customized
Teeth Thickness	S	OEM/Customized
Tooth pitch	P	OEM/Customized
Tooth addendum	Ha	OEM/Customized
Tooth dedendum	Hf	OEM/Customized
Working height	h’	OEM/Customized
Bottom clearance	C	OEM/Customized
Pressure Angle	α	OEM/Customized
Helix Angle,		OEM/Customized
Surface hardness	HRC	Range: HRC 50~HRC63(Quenching)
Hardness:	HB	Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface
Surface finish		Range: Ra1.6~Ra3.2
Tooth surface roughness	Ra	Range: ≥0.4
Gear Accuracy Grade		Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter	d	Range: >1m
Weight	Kg	Range: >100kg/ Single Piece
Toothed Portion Shape		internal, inner gear ring
Material		Casting 42CrMo/45# steel or Customized
Gear Teeth Milling		√
Gear Teeth Grinding		√
Heat Treatment		Quenching /Carburizing
Sand Blasting		Null
Testing		UT\MT
Trademark		TOTEM/OEM
Application		Gearbox, Reducer etc
Transport Package		Export package (steel frame, wooden box, etc.)
Origin		China
HS Code		8483409000

CHINAMFG SERVICE

TOTEM Machinery all the time works to supply GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission device & equipment (large industrial reducer & driver). Which mainly use to industrial equipment on fields of port facilities, cement, mining, metallurgical industry etc.
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality suppliers’ network, to let customers worry-free purchase.

TOTEM Philosophy: Quality-No.1, Integrity- No.1, Service- No.1

24hrs Salesman on-line, guarantee quick and positive feedback. Experienced and Professional Forwarder Guarantee Log. transportation.

About CHINAMFG

1. Workshop & Processing Strength

2. Testing Facilities

3. Customer Inspection & Shipping

Contact CHINAMFG

ZheJiang CHINAMFG Machinery Co.,Ltd

Facebook: ZheJiang Totem

FAQ

What’s CHINAMFG product processing progress?
Drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing.

How about TOTEM’s export package?
Spray anti-rust oil on Herringbone Gear Shaft, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.

Could I customize gear\gear shaft on TOTEM?
We supply customized Gear Shaft,Eccentric Shaft,Herringbone Gear,Internal Gear,Bevel Gear with big module, more than 1tons big weight, more than 3m length, forging or casting 42CrMo/35CrMo or your specified required material.

Why can I choose TOTEM?
CHINAMFG has 24hrs Salesman on-line, guarantee quick and positive feedback.
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality supplier’s network, to let customers worry-free purchase.
Experienced and Professional Forwarder Guarantee Log. transportation.

/* 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

Can a Half Coupling be Threaded or Welded onto Pipes?

What are the Differences Between Half Couplings and Full Couplings in Pipe Fittings?

Design: The main difference lies in their design. A half coupling has one end with internal threads or a socket, allowing it to be connected to a threaded pipe or inserted into the end of a pipe without threading. The other end of the half coupling is an open end, ready to be welded or threaded to another pipe. On the other hand, a full coupling has both ends with female threads, enabling it to connect two threaded pipes directly without the need for welding.
Function: Half couplings are commonly used to create a joint between a pipe and a component such as a valve, pump, or pressure gauge. The open end of the half coupling facilitates easy attachment to the component, while the threaded or socketed end connects to the pipe. On the other hand, full couplings are used when a direct, rigid connection between two pipes is needed, providing a continuous flow path without any interruptions.
Application: Half couplings are frequently used in situations where frequent disassembly or maintenance may be required. For example, in systems with valves that need periodic inspection or replacement, a half coupling allows for easy removal without disturbing the entire pipeline. Full couplings, on the other hand, are more suitable for applications where a permanent, leak-proof connection is needed, such as in pressurized systems or critical process pipelines.
Length: Full couplings are typically longer than half couplings because they need to accommodate two threaded ends, while half couplings have one threaded or socketed end and an open end, making them shorter in length.
Installation: The installation process differs for half and full couplings. Half couplings are welded or threaded onto one pipe end and then connected to another pipe or component using welding or threading, respectively. Full couplings, on the other hand, directly join two pipes with threaded ends, requiring no additional welding or threading.
Flexibility: Half couplings offer more flexibility due to their ability to connect to different types of components or pipes with varying end connections. Full couplings are less flexible in this regard, as they can only join two threaded pipes together.

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:

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.
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.
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:

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.
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.
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.

editor by CX 2024-05-09

China OEM Carbon Steel 3000/6000lb B16.11 Forged Fittings Female Thread Half Coupling

ep — Thu, 09 May 2024 01:27:45 +0000

Product Description

Technical Data:

Technology:

Advantage

Features:
@Delivers Leak-proof connection
@Easy to install
@Excellent vacuum and pressure ratings
@Interchangeable & re-tighten
@High strength
@High Corrosion resistance
@Longer service life
@Hassle free operations
Major Features:
@Safe and trustworthy
@High Quality
@Worth Buying
@Precise Process

Our services

Pre-sale Service	After-sale service
Custom design Product consulting Free drawing Providing samples within 3 days	15 days delivery time Installation instructions 24 consulting service Quality complaints

Company Information:
Welcome to ROKE! Information of HangZhou CHINAMFG fluid equipment CO.,LTD.

1.Established in 2008.
2.We are professional manufacturer of Instrumentation Tube Fittings, Pipe Fittings, Needle valves, Ball Valves, Check Valves, Valve Manifolds, DIN 2353 Fittings, SAE Flanges, Sampling systems, Water Heater Accessories.
3.Products are available in the variety of different materials, such as Carbon Steel,Stainless steel 316/316L, Duplex, Super Duplex, Hastelloy, Monel, Inconel, Incoloy, Titanium .
4.We located in HangZhou City, 2 hours drive to ZheJiang with convenient transportation access worldwide. We will arrive ZheJiang in 41minutes next year.
5.Our products are widely used in industries of Chemical, Petrochemical, Power Generation, Oil, Gas, Shipbuilding.
6.Always available to discuss your requirements and ensure full customer satisfaction.
7.We have CNC machine, 3D measure equipment, Raw Material chemical composition inspection equipment, High pressure test equipment, etc.
8.We have obtained ISO9001-2008 certificate
9 Our products are exported to the United States, Japan, Germany, South America, South Africa, Southeast Asia and many other countries…
10.We also welcome OEM and ODM orders. Please feel free to cont
/* 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

Can a Half Coupling be Threaded or Welded onto Pipes?

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:

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.
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.
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.
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.
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.
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.

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

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.

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.

editor by CX 2024-05-09

China Good quality Carbon Steel NPT A105 2 1/2 Inch Forged Bsp Threaded Half Coupling

ep — Wed, 08 May 2024 02:57:10 +0000

Product Description

Basic Info.

What is half coupling?

Half coupling is used for small bore branching from a vessel or large bore pipe. It can be threaded or socket-type. It has a socket or thread end on only 1 side. A socket weld half coupling can be directly welded to large bore pipe to make a branch connection. It is used to take a small bore pipe branch-off from a large bore pipe where the pipe specification requirement is a socket weld in a small bore size. A threaded half coupling only has 1 thread end, and another end of the coupling should be a butt welding end with either a plain end or a bevel end.

Nominal Size

End- to- end

Outside Diameter

Length of Thread

L_5min

L_2min

3000&6000

3000

6000

Unit:mm

6.4

6.7

8.1

10.2

9.1

10.4

10.9

13.6

12.7

13.9

14.7

17.3

17.0

18.0

17.8

18.4

19.0

19.2

108

23.6

28.9

108

127

25.9

30.5

100

121

140

159

27.7

33.0

Size	1/8″-4″
Pressure	2000lbs, 3000lbs, 6000lbs, 9000lbs
Type	Half coupling and full coupling
Connection end	Thread or socket weld
Material	Carbon steel, stainless steel, Alloy steel
Standard	ANSI B16.11

Q1. Where is your factory?

A1: Our company’s processing center is located in HangZhou, ZHangZhoug, China.

Equipped with various types of machinery and equipment, such as laser cutting machines and mirror polishing machines, we can provide a variety of personalized services according to customer needs.

Q2. What are your company’s main products?

A2: Our main products are stainless steel plates, coils, round or square tubes, bars, channel steel pipe fittings, etc.

Q3. How do you control quality?

A3: Factory testing and certification are provided CHINAMFG shipment, and third-party inspection is available.

Q4. What are your company’s strengths?

A4: We have many professionals and technicians, more competitive prices, and better after-sales service than other stainless steel companies.

Q5. How many countries have you exported to?

A5: Exported to more than 50 countries, mainly from the United States, Russia, United Kingdom, Kuwait, Egypt, Turkey, Jordan,

India etc.

Q6. Can you provide samples?

A6: There are small samples in the store. We can provide samples for free. The customer needs to bear the shipping cost.

Customized samples will take about 5-7 days.
/* 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

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:

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.
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.
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.
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.
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.
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.
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.
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.

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.

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

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

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.
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.
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:

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.
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.
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.

editor by CX 2024-05-08

China Standard Half Coupling Ringed Shank Reduced Guillemin Symmetrical Coupling

ep — Wed, 08 May 2024 02:56:48 +0000

Product Description

Half Coupling Ringed Shank Reduced Guillemin Symmetrical Coupling

The standard of Guillemin Coupling is EN14420-8 or NF E29572. Materials are mainly stainless steel, aluminum, polypropylene and brass. Guillemin hose couplings is connected with thread and locking ring (latch). It can be used with DIN2817 safety clamp. Working pressure is 10 bar. Guillemin coupling is widely used in industries of oil, chemical, fire protection, paper manufacture, construction and metallurgy.

Guillemin couplings, also referred to as French couplings are symmetrical couplings where to identical halves are assembled by joining the lugs and turning the locking ring to ensure a good connection.

Pros:
Simple and easy connection
Has a locking ring and soft seal
Large free flow area
Aluminum couplings are lighter in weight than stainless steel
Suitable for water, fluids, hydrocarbons, chemicals, and dry loose materials

Product Name:	Guillemin Camlock Coupling
Sizes:	1” – 4” (DN25-DN100)
MOQ:	50 pcs
Certificates:	CE, ISO9001:2015
Standard:	EN14420-8 /NF E29572
Material:	Stainless steel 316/ 304, Aluminum, PP
Working pressure:	10 bar
Feature:	Light, flexible and interchangeable. To connect and disconnect without a tool. Economical
Application:	it is widely used in oil, chemical industry, fire fighting, paper manufacture, constructoin and metallurgy
HS code:	7609000000

Our Advantage

We are experienced as we have been in this industry as a manufacturer for more than 10 years. Both of quality and service are highly guaranteed. Absolutely prompt delivery. We can produce according to specific drawings from customers. Welcome OEM/ODM project. Strict control on quality. High efficient and well trained sale service team. ISO9001, CE and SGS certified.

FAQ

1.Q: Are you a producer or trading company?
A: We are an experienced manufacturer. We own production line and kinds of machines.

2.Q: Can you make our specific logo on the part?
A: Yes please provide me your logo and we will make your logo on the part.

3.Q: Can you manufacture products according to my drawings?
A: Yes we can manufacturer according to client’s drawings if drawings or samples are available. We are experienced enough to make new tools.

4. Q: Can I get some samples?
A: We are honored to offer you our samples. Normally it is for free like 3-5 pcs. It is charged if the samples are more than 5 pcs. Clients bear the freight cost.

5. Q: How many days do you need to finish an order?
A: Normally it takes about 30 days to finish the order. It takes more time around CHINAMFG season, or if the order involves many kinds of different products.

6. Q: What kind of rubber washer do you apply to camlock couplings?
A: Normally we use NBR gasket.

contact-info.html /* 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

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.

What are the Differences Between Half Couplings and Full Couplings in Pipe Fittings?

Design: The main difference lies in their design. A half coupling has one end with internal threads or a socket, allowing it to be connected to a threaded pipe or inserted into the end of a pipe without threading. The other end of the half coupling is an open end, ready to be welded or threaded to another pipe. On the other hand, a full coupling has both ends with female threads, enabling it to connect two threaded pipes directly without the need for welding.
Function: Half couplings are commonly used to create a joint between a pipe and a component such as a valve, pump, or pressure gauge. The open end of the half coupling facilitates easy attachment to the component, while the threaded or socketed end connects to the pipe. On the other hand, full couplings are used when a direct, rigid connection between two pipes is needed, providing a continuous flow path without any interruptions.
Application: Half couplings are frequently used in situations where frequent disassembly or maintenance may be required. For example, in systems with valves that need periodic inspection or replacement, a half coupling allows for easy removal without disturbing the entire pipeline. Full couplings, on the other hand, are more suitable for applications where a permanent, leak-proof connection is needed, such as in pressurized systems or critical process pipelines.
Length: Full couplings are typically longer than half couplings because they need to accommodate two threaded ends, while half couplings have one threaded or socketed end and an open end, making them shorter in length.
Installation: The installation process differs for half and full couplings. Half couplings are welded or threaded onto one pipe end and then connected to another pipe or component using welding or threading, respectively. Full couplings, on the other hand, directly join two pipes with threaded ends, requiring no additional welding or threading.
Flexibility: Half couplings offer more flexibility due to their ability to connect to different types of components or pipes with varying end connections. Full couplings are less flexible in this regard, as they can only join two threaded pipes together.

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.

editor by CX 2024-05-08

China high quality China Factory OEM ODM CNC Turning Machining Part Customized Steel Electric Motor Shaft Half Coupling

ep — Wed, 08 May 2024 02:56:16 +0000

Product Description

Name	Half coupling
Material	Steel
Shape	Non-standard
Surface	Grinding and polishing
Production cycle	20-60days
Length	Any
Diameter	Any
Tolerance	±0.001
Warranty	1 year
Serve	OEM&ODM&Design service

Company Profile

HangZhou Xihu (West Lake) Dis. Machinery Manufacture Co., Ltd., located in HangZhou, “China’s ancient copper capital”, is a “national high-tech enterprise”. At the beginning of its establishment, the company adhering to the “to provide clients with high quality products, to provide timely service” concept, adhere to the “everything for the customer, make customer excellent supplier” for the mission.

Certifications

Q: Where is your company located ?
A: HangZhou ZheJiang .
Q: How could l get a sample?
A: Before we received the first order, please afford the sample cost and express fee. we will return the sample cost back
to you within your first order.
Q: Sample time?
A: Existing items: within 20-60 days.
Q: Whether you could make our brand on your products?
A: Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.
Q: How to guarantee the quality of your products?
A: 1) stict detection during production. 2) Strict completely inspecion on products before shipment and intact product
packaging ensured.
Q: lf my drawings are safe?
A: Yes ,we can CHINAMFG NDA.

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Can a Half Coupling be Threaded or Welded onto Pipes?

What are the Differences Between Half Couplings and Full Couplings in Pipe Fittings?

Design: The main difference lies in their design. A half coupling has one end with internal threads or a socket, allowing it to be connected to a threaded pipe or inserted into the end of a pipe without threading. The other end of the half coupling is an open end, ready to be welded or threaded to another pipe. On the other hand, a full coupling has both ends with female threads, enabling it to connect two threaded pipes directly without the need for welding.
Function: Half couplings are commonly used to create a joint between a pipe and a component such as a valve, pump, or pressure gauge. The open end of the half coupling facilitates easy attachment to the component, while the threaded or socketed end connects to the pipe. On the other hand, full couplings are used when a direct, rigid connection between two pipes is needed, providing a continuous flow path without any interruptions.
Application: Half couplings are frequently used in situations where frequent disassembly or maintenance may be required. For example, in systems with valves that need periodic inspection or replacement, a half coupling allows for easy removal without disturbing the entire pipeline. Full couplings, on the other hand, are more suitable for applications where a permanent, leak-proof connection is needed, such as in pressurized systems or critical process pipelines.
Length: Full couplings are typically longer than half couplings because they need to accommodate two threaded ends, while half couplings have one threaded or socketed end and an open end, making them shorter in length.
Installation: The installation process differs for half and full couplings. Half couplings are welded or threaded onto one pipe end and then connected to another pipe or component using welding or threading, respectively. Full couplings, on the other hand, directly join two pipes with threaded ends, requiring no additional welding or threading.
Flexibility: Half couplings offer more flexibility due to their ability to connect to different types of components or pipes with varying end connections. Full couplings are less flexible in this regard, as they can only join two threaded pipes together.

Can a Half Coupling be Used to Join Pipes of Different Diameters?

Yes, a half coupling can be used to join pipes of different diameters in piping and plumbing systems. Half couplings are specifically designed to connect two pipes of different sizes, making them ideal for creating transitions or connections between pipes with varying diameters. The larger end of the half coupling is welded or screwed onto the larger diameter pipe, providing a stable base for the connection. The smaller pipe, which has a different diameter, is then threaded or inserted into the smaller end of the half coupling.

The ability to join pipes of different diameters is one of the main advantages of using half couplings. This feature allows for efficient and smooth transitions between pipe sizes, which is crucial in maintaining proper fluid flow, reducing pressure losses, and preventing turbulence within the system.

Here are some common scenarios where half couplings are used to join pipes of different diameters:

Reducing Pipe Size: When a pipeline needs to change from a larger diameter to a smaller diameter, a half coupling can be employed to create a smooth transition. For example, if a process requires a reduction in flow rate, a smaller pipe can be connected to the main pipeline using a half coupling.
Connecting Equipment or Valves: In many industrial applications, equipment, valves, or instruments are connected to the main pipeline using half couplings. Often, these components have different pipe sizes than the main pipeline, and a half coupling provides a secure and leak-proof joint.
Repair and Maintenance: During repair or maintenance operations, a damaged section of the pipeline can be cut out, and a new pipe of a different diameter can be connected using a half coupling. This allows for quick repairs without having to replace the entire pipeline.

When using a half coupling to join pipes of different diameters, it is essential to ensure that the threads and dimensions of the coupling match the pipes being connected. Proper sealing techniques, such as using thread sealant or Teflon tape, should also be applied to prevent leaks and ensure a reliable connection.

In conclusion, half couplings are versatile pipe fittings that enable the joining of pipes with different diameters. Their ability to facilitate smooth transitions and secure connections makes them invaluable in various industrial, commercial, and residential applications.

editor by CX 2024-05-08

China factory CHINAMFG Js3500 Series Half Demount Type Flexible Grid Couplings Coupling

ep — Wed, 08 May 2024 01:23:20 +0000

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
Type	Norminal Torque Nm	Permit Speed r/min	max	min	D	min	max	A	F	L	Clearance K	Grease Kg	Without bore Weight Kg
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

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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:

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.
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.
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.
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.
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.
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.
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.
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.

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

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

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.

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.

editor by CX 2024-05-08