Product Description
JS3500 Series Half Demount Flexible Grid Couplings
♦Description
The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.
Widely used in heavy machinery and general machinery.
Allows higher speeds with good axial, radial and angular compensation capabilities.
High transmission efficiency. The transmission efficiency is as high as 99.47%.
Simple structure and convenient disassembly and assembly.
Good damping effect to avoid resonance.
♦Basic Parameter and Main Dimension
| Type | Norminal Torque Nm |
Permit Speed r/min |
Hole d1,d2 | D | BE | A | F | L | Clearance K | Grease Kg |
Without bore Weight Kg |
||
| max | min | min | max | ||||||||||
| JS3501 | 45 | 3600 | 28 | 14 | 98 | 45 | 100 | 40 | 40 | 52 | 3 | 0.03 | 2.9 |
| JS3502 | 125 | 3600 | 35 | 14 | 110 | 45 | 110 | 50 | 40 | 52 | 3 | 0.03 | 3.9 |
| JS3503 | 224 | 3600 | 42 | 14 | 120 | 45 | 110 | 55 | 41 | 52 | 3 | 0.06 | 5.9 |
| JS3504 | 400 | 3600 | 48 | 14 | 138 | 55 | 110 | 65 | 45 | 62 | 3 | 0.06 | 9 |
| JS3505 | 630 | 3600 | 55 | 19 | 155 | 65 | 165 | 75 | 52 | 62 | 3 | 0.09 | 13.5 |
| JS3506 | 900 | 3600 | 65 | 19 | 170 | 65 | 165 | 90 | 55 | 62 | 3 | 0.09 | 17.5 |
| JS3507 | 1800 | 3500 | 75 | 28 | 195 | 95 | 205 | 105 | 66 | 112 | 4 | 0.17 | 28.5 |
| JS3508 | 3150 | 3500 | 85 | 28 | 212 | 95 | 205 | 125 | 70 | 112 | 4 | 0.26 | 42.5 |
| JS3509 | 5600 | 2450 | 100 | 42 | 248 | 105 | 205 | 140 | 142 | 6 | 0.43 | 70.5 | |
| JS3510 | 8000 | 2300 | 110 | 42 | 274 | 105 | 205 | 160 | 142 | 6 | 0.51 | 95 | |
| JS3511 | 12500 | 2000 | 125 | 60 | 324 | 125 | 205 | 180 | 142 | 6 | 0.74 | 138 | |
| JS3512 | 18000 | 1800 | 150 | 70 | 368 | 130 | 205 | 220 | 172 | 6 | 0.91 | 187 | |
| JS3513 | 25000 | 1600 | 180 | 70 | 400 | 135 | 205 | 255 | 172 | 6 | 1.14 | 257 | |
| JS3514 | 35500 | 1500 | 200 | 110 | 458 | 175 | 190 | 270 | 212 | 6 | 1.9 | 340 | |
| JS3515 | 50000 | 1300 | 220 | 120 | 500 | 180 | 205 | 305 | 212 | 6 | 2.8 | 430 | |
| JS3516 | 63000 | 1200 | 250 | 130 | 565 | 195 | 225 | 360 | 252 | 6 | 3.5 | 636 | |
| JS3517 | 90000 | 1100 | 275 | 610 | 200 | 250 | 395 | 252 | 6 | 3.7 | 852 | ||
| JS3518 | 125000 | 1000 | 305 | 675 | 210 | 270 | 440 | 302 | 6 | 4.4 | 1118 | ||
| JS3519 | 180000 | 900 | 330 | 755 | 225 | 290 | 500 | 302 | 6 | 5.6 | 1445 | ||
Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements.
♦Other Products List
| Transmission Machinery Parts Name |
Model |
| Universal Coupling | WS,WSD,WSP |
| Cardan Shaft | SWC,SWP,SWZ |
| Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
| Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
| High Flexible Coupling | LM |
| Chain Coupling | GL |
| Jaw Coupling | LT |
| Grid Coupling | JS |
♦Our Company
HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.
♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping
3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.
Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.
Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.
Q 9: What’s your payment?
A: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
What are the Maintenance Requirements for Half Couplings to Ensure Their Longevity?
Proper maintenance is essential to ensure the longevity and reliable performance of half couplings in piping and plumbing systems. Regular maintenance helps prevent wear, corrosion, and other issues that could lead to leaks or failures. Here are the maintenance requirements for half couplings:
- Inspection: Regularly inspect all half couplings in the system for signs of wear, corrosion, or damage. Check for visible leaks or indications of moisture around the joints. Perform visual inspections and, if necessary, use non-destructive testing methods to assess the integrity of the couplings.
- Cleaning: Keep the half couplings clean and free from dirt, debris, or other contaminants. Clean the coupling surfaces and surrounding areas during maintenance to ensure a proper fit and prevent corrosion.
- Lubrication: For threaded half couplings, apply a suitable lubricant or thread sealant when assembling the connection. This helps prevent galling and ensures a smooth and secure fit between the threads.
- Protection from Corrosion: Take measures to protect the half couplings from corrosion, especially in environments where corrosion is likely. Consider using corrosion-resistant materials for the couplings or applying protective coatings to prevent rusting.
- Temperature and Pressure Considerations: Ensure that the half couplings are suitable for the operating temperature and pressure of the system. High-temperature or high-pressure applications may require special materials or additional maintenance considerations.
- Replacement of Worn or Damaged Couplings: If any half coupling shows signs of wear, damage, or reduced performance during inspections, promptly replace it with a new one. Avoid using couplings that do not meet the necessary standards or show signs of fatigue.
- Proper Installation: During maintenance or replacement, ensure that the half couplings are correctly installed following the manufacturer’s instructions and industry best practices. Proper installation is crucial for achieving a secure and leak-free connection.
- Consider Thermal Expansion: Account for thermal expansion and contraction in the system to prevent stress on the half couplings and other components. Adequate flexibility and expansion joints can help accommodate temperature changes.
- Regular System Checks: Perform regular system checks to monitor the overall health and performance of the piping or plumbing system. Address any issues detected during these checks promptly to prevent cascading problems.
Adhering to these maintenance requirements will help ensure the longevity and reliable operation of the half couplings, contributing to the overall efficiency and safety of the piping or plumbing system.
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 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 2023-12-04