China wholesaler Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling

Product Description

Product Description

 Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling

Ductile iron grooved pipe fittings and couplings (FM and UL approved) mainly including 2 kinds of grooved products:
(1) the pipe fittings function on connecting and sealing such as rigid coupling, flexible coupling, mechanical tee and grooved flange,
(2) the pipe fittings function on connecting and transition such as bend, tee, cross, reducer.

 

Specification

 

Name Rigid coupling, Flexible coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Split Flange, Adaptor Flange, Cap
Tee, Reducing Tee(Grooved/Threaded), Mechnical Tee(Grooved/Threaded), U-bolted Mechnical Tee
Cross, Reducing Cross(Grooved/Threaded), Mechnical Cross(Grooved/Threaded)
Reducer(Grooved/Threaded), Grooved Eccentric Reducer
H.S. CODE 735710000
Technology Casting
Connections Grooved-Thread End, Grooved End
Pressure Rate 300PSI / 2.07MPa
Size 1” – 12”
Pipe O.D. 33.7MM – 323.9MM
Surface Finish Epoxy Powder,Painting,Galvanization,Dacromet (in Red/Orange/Blue/White Color)
Design Standard American Standard ANSI/ASTM
European Standard EN
British Standard BS
Germany Standard DIN
Japanese Standard JIS
ISO Standard ISO
Thread Standard ASME B.1.20.1 / EN15716 / DIN2999 / ISO7-1 / ISO228 / IS554 / BS EN15716 / BS 21.173
Material Standard Ductile Iron confirms to ASTM A-536 Gr65-45-12,EN1563,JIS G5502,QT450-12
Gasket Material EPDM,NBR or Silicon Rubber
Bolts & Nuts ISO 898-1class 8.8
Flanges Standard PN series or Class series
Packages Plywood Cases or Plywood Pallets or Boxes
Application Fire Fighting System,Petrochemical & Gas Industry,Chemical,Machinery,Electric Power,Construction Water Works,Valve Industry,etc.
Advantages High Quality + Ready Stock + Faster Delivery + Customized
Brand LMP
Certificate ISO9001,API,CE,UL/FM

 

 

 

Company Profile

 

 

We are a leading manufacturer of pipe fittings and valves establised in 1996
1.  We have over 20 years experience in exporting pipeline products.
2.  5 factories,complete 100+ projects every year.
3.  Your 1 more good choice for better customer service.

Certifications

FAQ

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rigid coupling

Are There Any Safety Considerations When Using Rigid Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using rigid couplings in rotating machinery. While rigid couplings offer various advantages, their use in certain applications requires careful attention to safety measures to prevent accidents and equipment damage. Here are some important safety considerations:

Secure Installation: Proper installation of rigid couplings is crucial to ensure safety. The coupling must be securely mounted and aligned with the shafts to prevent any slippage or disengagement during operation. Use of appropriate mounting hardware, such as high-strength bolts, is essential to maintain the coupling’s integrity under high-speed and high-torque conditions.

Shaft Alignment: Accurate shaft alignment is necessary to avoid excessive forces and stress on the connected machinery. Misaligned shafts can lead to uneven loading and increased wear on bearings and other components. Regularly inspect and maintain the shaft alignment to prevent premature failures.

Preventing Over-Torquing: Applying excessive torque during the installation of rigid couplings can lead to equipment damage and compromise safety. Follow the manufacturer’s torque specifications and use torque-limiting tools to prevent over-torquing and potential failures.

Protective Guards: In some applications, rotating machinery with rigid couplings may pose a safety hazard to personnel working nearby. Install appropriate protective guards and covers to prevent accidental contact with rotating shafts, minimizing the risk of injury.

Regular Maintenance: Implement a routine maintenance schedule to inspect the rigid couplings and associated equipment. Check for signs of wear, fatigue, or cracks. Address any issues promptly to avoid potential catastrophic failures.

Operational Speed Limits: Be aware of the operational speed limits specified by the manufacturer for the rigid couplings. Exceeding these limits can result in significant stress and fatigue on the coupling, leading to failure.

Appropriate Coupling Selection: Choose the appropriate type and size of rigid coupling for the specific application. Using an undersized coupling can lead to excessive loads and potential failure, while an oversized coupling may not efficiently transmit torque.

Temperature Considerations: Rigid couplings can experience temperature variations during operation. Ensure that the material and design of the coupling are suitable for the anticipated temperature range of the application to maintain safety and performance.

Training and Awareness: Provide proper training to personnel working with rotating machinery equipped with rigid couplings. Ensure they are aware of safety procedures and potential hazards associated with the equipment.

Adhering to these safety considerations will help ensure the safe and reliable operation of rotating machinery equipped with rigid couplings. Regular maintenance, correct installation, and diligent attention to safety guidelines will minimize risks and contribute to a safe working environment.

rigid coupling

Use of Rigid Couplings for Motor-to-Shaft and Shaft-to-Shaft Connections

Yes, rigid couplings can be used for both motor-to-shaft and shaft-to-shaft connections in mechanical systems. Rigid couplings are designed to provide a solid and non-flexible connection between two shafts. This characteristic makes them versatile for various applications, including motor-to-shaft and shaft-to-shaft connections.

1. Motor-to-Shaft Connections: In motor-to-shaft connections, a rigid coupling is used to connect the output shaft of an electric motor to the driven shaft of a machine or equipment. This ensures direct power transmission without any flexibility. Motor-to-shaft connections are common in applications where the motor’s rotational motion needs to be transferred to the driven equipment with high precision and efficiency.

2. Shaft-to-Shaft Connections: In shaft-to-shaft connections, a rigid coupling joins two shafts directly, providing a solid and immovable link between them. This is beneficial in applications where precise alignment and torque transmission are essential, such as in precision motion control systems or heavy-duty industrial machinery.

Rigid couplings are available in various designs, such as one-piece, two-piece, and split types, to accommodate different shaft arrangements. The type of rigid coupling used depends on the specific application and the shaft sizes to be connected.

Advantages of Using Rigid Couplings:

– Zero backlash ensures accurate motion transfer and positioning.

– Efficient power transmission without loss due to flexibility.

– Minimal maintenance requirements due to their simple design.

– High torque capacity suitable for heavy-duty applications.

– Tolerance to misalignment (within design limits) enhances versatility.

– Provides system stiffness, reducing the risk of resonance and vibration-related issues.

– Suitable for high-speed applications.

– Versatility for various industrial applications.

Whether it’s connecting a motor to a driven shaft or joining two shafts together, rigid couplings offer reliability, precision, and efficiency, making them a popular choice in numerous mechanical systems.

rigid coupling

Advantages of Using Rigid Couplings in Mechanical Systems:

Rigid couplings offer several advantages when used in mechanical systems. These advantages make them a preferred choice in certain applications where precise alignment and high torque transmission are essential. Here are the key advantages of using rigid couplings:

  • 1. High Torque Transmission: Rigid couplings are designed to handle high torque and power transmission without any loss due to flexibility. They provide a direct and solid connection between shafts, allowing for efficient transfer of rotational motion.
  • 2. Precise Alignment: Rigid couplings maintain precise alignment between connected shafts. When installed correctly, they ensure that the two shafts are perfectly aligned, which is crucial for applications where accurate positioning and synchronization are required.
  • 3. Synchronous Rotation: The rigid connection provided by these couplings enables synchronous rotation of the connected shafts. This is particularly important in applications where components must move in precise coordination with each other.
  • 4. Simple Design: Rigid couplings have a straightforward design with minimal moving parts. This simplicity makes them easy to install and maintain, reducing the chances of mechanical failure.
  • 5. Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective. Their simple design and robust construction contribute to their affordability.
  • 6. High Strength and Durability: Rigid couplings are typically made from strong and durable materials such as steel, stainless steel, or aluminum. These materials can withstand heavy loads and provide long-lasting performance in demanding applications.

Rigid couplings are commonly used in various industries and applications, including high-precision machinery, robotics, automation systems, precision motion control, and machine tools. They are especially beneficial in scenarios where misalignment needs to be minimized or avoided altogether.

It’s important to note that while rigid couplings offer these advantages, they are not suitable for applications where shaft misalignment or shock absorption is required. In such cases, flexible couplings or other specialized coupling types may be more appropriate.

China wholesaler Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling  China wholesaler Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling
editor by CX 2024-05-09

As one of leading rigid coupling manufacturers, suppliers and exporters of mechanical products, We offer rigid coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of rigid coupling

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