China Best Sales CHINAMFG Js3500 Series Half Demount Flexible Grid Couplings Used in Stone Crusher Reducor

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

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

Widely used in heavy machinery and general machinery.

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

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

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

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

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

♦Other Products List

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

♦Our Company

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

 

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

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

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

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

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

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

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

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

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

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

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

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

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

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

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

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

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

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

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

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

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

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

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

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 2024-03-03