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
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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 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.
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 2024-04-03