Product Description
JS3500 Series Half Demount Flexible Grid Couplings
Product Description
♦Description
The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.
Widely used in heavy machinery and general machinery.
Allows higher speeds with good axial, radial and angular compensation capabilities.
High transmission efficiency. The transmission efficiency is as high as 99.47%.
Simple structure and convenient disassembly and assembly.
Good damping effect to avoid resonance.
♦Basic Parameter and Main Dimension
| Type | Norminal Torque Nm |
Permit Speed r/min |
Hole d1,d2 | D | BE | A | F | L | Clearance K | Grease Kg |
Without bore Weight Kg |
||
| max | min | min | max | ||||||||||
| JS3501 | 45 | 3600 | 28 | 14 | 98 | 45 | 100 | 40 | 40 | 52 | 3 | 0.03 | 2.9 |
| JS3502 | 125 | 3600 | 35 | 14 | 110 | 45 | 110 | 50 | 40 | 52 | 3 | 0.03 | 3.9 |
| JS3503 | 224 | 3600 | 42 | 14 | 120 | 45 | 110 | 55 | 41 | 52 | 3 | 0.06 | 5.9 |
| JS3504 | 400 | 3600 | 48 | 14 | 138 | 55 | 110 | 65 | 45 | 62 | 3 | 0.06 | 9 |
| JS3505 | 630 | 3600 | 55 | 19 | 155 | 65 | 165 | 75 | 52 | 62 | 3 | 0.09 | 13.5 |
| JS3506 | 900 | 3600 | 65 | 19 | 170 | 65 | 165 | 90 | 55 | 62 | 3 | 0.09 | 17.5 |
| JS3507 | 1800 | 3500 | 75 | 28 | 195 | 95 | 205 | 105 | 66 | 112 | 4 | 0.17 | 28.5 |
| JS3508 | 3150 | 3500 | 85 | 28 | 212 | 95 | 205 | 125 | 70 | 112 | 4 | 0.26 | 42.5 |
| JS3509 | 5600 | 2450 | 100 | 42 | 248 | 105 | 205 | 140 | 142 | 6 | 0.43 | 70.5 | |
| JS3510 | 8000 | 2300 | 110 | 42 | 274 | 105 | 205 | 160 | 142 | 6 | 0.51 | 95 | |
| JS3511 | 12500 | 2000 | 125 | 60 | 324 | 125 | 205 | 180 | 142 | 6 | 0.74 | 138 | |
| JS3512 | 18000 | 1800 | 150 | 70 | 368 | 130 | 205 | 220 | 172 | 6 | 0.91 | 187 | |
| JS3513 | 25000 | 1600 | 180 | 70 | 400 | 135 | 205 | 255 | 172 | 6 | 1.14 | 257 | |
| JS3514 | 35500 | 1500 | 200 | 110 | 458 | 175 | 190 | 270 | 212 | 6 | 1.9 | 340 | |
| JS3515 | 50000 | 1300 | 220 | 120 | 500 | 180 | 205 | 305 | 212 | 6 | 2.8 | 430 | |
| JS3516 | 63000 | 1200 | 250 | 130 | 565 | 195 | 225 | 360 | 252 | 6 | 3.5 | 636 | |
| JS3517 | 90000 | 1100 | 275 | 610 | 200 | 250 | 395 | 252 | 6 | 3.7 | 852 | ||
| JS3518 | 125000 | 1000 | 305 | 675 | 210 | 270 | 440 | 302 | 6 | 4.4 | 1118 | ||
| JS3519 | 180000 | 900 | 330 | 755 | 225 | 290 | 500 | 302 | 6 | 5.6 | 1445 | ||
Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements.
Other products
♦Other Products List
| Transmission Machinery Parts Name |
Model |
| Universal Coupling | WS,WSD,WSP |
| Cardan Shaft | SWC,SWP,SWZ |
| Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
| Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
| High Flexible Coupling | LM |
| Chain Coupling | GL |
| Jaw Coupling | LT |
| Grid Coupling | JS |
Company Profile
♦Our Company
HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 26 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.
Our service
♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping
3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
FAQ
♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.
Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.
Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.
Q 9: What’s your payment?
A: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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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.
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.
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 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 2024-05-08