Product Description

 

Product Description

Three Bolts Flex Conduit to Rigid Pipe Couplings

Material: SS304, SS316, SS316L, Zinc Alloy
Suitable Conduit Size: Φ10(5/16″)- Φ150(6″)
Suitable Pipe Size:
Thin Wall Pipe: DN12(1/2″)-DN80(3″)
Thick Wall Pipe: DN10(5/16″)-DN150(6″)
Usage: Connecting flexible conduit and rigid pipes without thread at ends.
Specification: Other sizes can be customized.

Item No. Flexible Conduit Size Thin Wall Rigid Pipe Size Thick Wall Rigid Pipe Size
Metric Inch Metric Inch O.D(mm) W.T (mm) Metric Inch O.D(mm) W.T (mm)
SSC-10 Φ10 5/16″ DN12 1/2″ 12.76 1.60 DN10 5/16″
SSC-12 Φ12 3/8″ DN15 5/8″ 15.87 1.60 DN12 3/8″ 17.00 2.25
SSC-15 Φ15 1/2″ DN20 3/4″ 19.05 1.60 DN15 1/2″ 21.25 2.75
SSC-20 Φ20 3/4″ DN25 1″ 25.40 1.80 DN20 3/4″ 26.75 2.75
SSC-25 Φ25 1″ DN32 1-1/4″ 31.75 1.80 DN25 1″ 33.50 3.25
SSC-32 Φ32 1-1/4″ DN40 1-1/2″ 38.10 1.80 DN32 1-1/4″ 42.25 3.25
SSC-38 Φ38 1-1/2″ DN50 2″ 50.80 2.00 DN40 1-1/2″ 48.00 3.50
SSC-51 Φ51 2″ DN70 2-1/2″ 63.50 2.50 DN50 2″ 60.00 3.50
SSC-64 Φ64 2-1/2″ DN80 3″ 76.20 3.20 DN70 2-1/2″ 75.50 3.75
SSC-75 Φ75 3″         DN80 3″ 88.50 4.00
SSC-100 Φ100 4″         DN100 4″ 114.00 4.00
SSC-125 Φ125 5″         DN125 5″ 140.00 4.50
SSC-150 Φ150 6″         DN150 6″ 165.00 4.50

 

1. Made of stainless steel material to increase corrosive resistance and durability.

2. All metal parts can be made of stainless steel material.

3. Smooth inner surface keep cables and wires away from abrasion.

4. Widely used for connecting flexible conduit to rigid pipe without threads.

5. Many specifications are available.

6. Suitable for many different types of flexible conduits

7. Other types of electrical conduit fitting.

8. OEM and ODM are welcome.

 

Packaging & Shipping

 

1. All fittings will be put into plastic bags to keep moisture away.

2. All bags of fittings will be put into cartons.

 

3. All cartons of fittings will be put on wooden pallet or in wooden cases, to suitable for long distance shipping.

4. Shipping medthods are very flexible, by express, by air, by sea, by truck, by railway, any medthod you need will be met.

 

 

Company Profile

ZheJiang Daqiml International Trade Co., Ltd was founded in Xihu (West Lake) Dis. New Area High-tech Area of ZheJiang in April 2017, we are specialized in researching, making and selling pipe fittings, fasteners, electrical pipes, cable glands and other electrical enclosures. Main products are straight/90 degree/45 degree liquid tight connectors, metal cable glands, PVC coated steel conduits, interlocked flexible conduit with PVC coated, stainless steel braided flexible conduits, stainless steel straight/90 degree cable glands, pipe clamps, U-bolts, and so on. Products are widely used in electrical supporting equipment, mechanical engineering, automation engineering, communication engineering, rail transit, petrochemical industry, offshore platform, central air-conditioning, and so on. With high quality and good price, our products have been exported to many different countries. Meantime, our company can design and make products to meet customers’ real demand, as well as representative service of importing and exporting products.
Integrity and credibility, and continuous innovation is as company’s core values.People here are full of passion, creativity and implementation capacity, we always devote ourselves to provide the best quality products and service to each customer.   
 

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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

How Does a Rigid Coupling Handle Angular, Parallel, and Axial Misalignment?

Rigid couplings are designed to provide a fixed and rigid connection between two shafts. As such, they do not have any built-in flexibility to accommodate misalignment. Therefore, when using a rigid coupling, it is essential to ensure proper shaft alignment to avoid excessive forces and premature wear on connected equipment.

Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Rigid couplings cannot compensate for angular misalignment, and any angular misalignment should be minimized during installation. Precision alignment techniques, such as laser alignment tools, are often used to achieve accurate angular alignment.

Parallel Misalignment: Parallel misalignment, also known as offset misalignment, happens when the axes of the two shafts are parallel but have a lateral displacement from each other. Rigid couplings cannot accommodate parallel misalignment. Therefore, precise alignment is crucial to prevent binding and excessive forces on the shafts and bearings.

Axial Misalignment: Axial misalignment occurs when the two shafts have an axial (longitudinal) displacement from each other. Rigid couplings cannot address axial misalignment. To prevent thrust loads and additional stresses on bearings, it is essential to align the shafts axially during installation.

In summary, rigid couplings are unforgiving to misalignment and require precise alignment during installation. Any misalignment in a rigid coupling can lead to increased wear, premature failure of components, and reduced overall system efficiency. Therefore, it is crucial to use appropriate alignment techniques and tools to ensure optimal performance and longevity of the connected equipment.

rigid coupling

Limitations and Disadvantages of Using Rigid Couplings:

Rigid couplings offer several advantages in providing a strong and direct connection between shafts, but they also have certain limitations and disadvantages that should be considered in certain applications:

  • No Misalignment Compensation: Rigid couplings are designed to provide a fixed connection with no allowance for misalignment between shafts. As a result, any misalignment, even if slight, can lead to increased stress on connected components and cause premature wear or failure.
  • Transmit Shock and Vibration: Rigid couplings do not have any damping or vibration-absorbing properties, which means they can transmit shock and vibration directly from one shaft to another. In high-speed or heavy-duty applications, this can lead to increased wear on bearings and other components.
  • No Torque Compensation: Unlike flexible couplings, rigid couplings cannot compensate for torque fluctuations or angular displacement between shafts. This lack of flexibility may not be suitable for systems with varying loads or torque requirements.
  • Higher Stress Concentration: Rigid couplings can create higher stress concentration at the points of connection due to their inflexibility. This can be a concern in applications with high torque or when using materials with lower fatigue strength.
  • More Challenging Installation: Rigid couplings require precise alignment during installation, which can be more challenging and time-consuming compared to flexible couplings that can tolerate some misalignment.
  • Increased Wear: The absence of misalignment compensation and vibration absorption can lead to increased wear on connected components, such as bearings, shafts, and seals.
  • Not Suitable for High Misalignment: While some rigid couplings have limited ability to accommodate minor misalignment, they are not suitable for applications with significant misalignment, which could lead to premature failure.

Despite these limitations, rigid couplings are still widely used in many applications where precise alignment and a strong, permanent connection are required. However, in systems with significant misalignment, vibration, or shock loads, flexible couplings may be a more suitable choice to protect the connected components and improve overall system performance and longevity.

China supplier Three Bolts Flex Conduit to Rigid Pipe Couplings  China supplier Three Bolts Flex Conduit to Rigid Pipe Couplings
editor by CX 2024-05-07