China OEM Pipe Coupling, Ductile Iron Flexible Universal Coupling universal coupling

Product Description

Pipe Coupling / Universal Joint Coupling / Universal Coupling

1. Application : 

*  used for pipe connection .
*  suit for Ductile Iron Pipe, Cast Iron Pipe, Steel, AC, Plastic pipe
*  Working pressure:  PN10 / PN16
*   Suit for Water, Neutral Liquids and Sewage

2. Features :

*   wide range of tolerance
*   corrosion resistance
*   allow angular deflection of +/- 4°

3.  List of Sizes :

S/N Size O.D Range
  mm mm
1 DN40 48-60
2 DN50 59-73
3 DN65 72-85
4 DN80 88-103
5 DN100 96-116
6 108-120
7 109-128
8 DN125 132-146
9 138-153
10 DN150 158-172
11 159-182
12 DN175 192-210
13 DN200 198-225
14 218-235
15 DN250 242-262
16 250-267
17 250-274
18 272-289
19 DN300 315-332
20 322-339
21 DN350 340-360
22 351-378
23 374-391
24 DN400 390-410
25 398-430
26 417-437
27 425-442
28 DN450 450-463
29 455-475
30 476-500
31 DN500 500-508
32 500-533
33 526-546
34 DN600 600-630
35 608-636
36 630-650
37 DN700 710-739
38 DN800 816-842

Note: we accept your specific dimensions which are not included in the above list.

4. Project Cases :

5. Joint Product Series :

universal coupling

Specific Safety Considerations when Using Universal Couplings

Universal couplings are essential components in many mechanical systems, and their proper use is critical for the safety of personnel and the integrity of the equipment. Here are some specific safety considerations when using universal couplings:

  1. Regular Inspections: Perform routine inspections of the universal coupling to check for signs of wear, damage, or misalignment. Any issues should be addressed promptly to prevent potential accidents.
  2. Proper Installation: Ensure that the universal coupling is installed correctly and securely. Follow the manufacturer’s guidelines and torque specifications for tightening bolts, set screws, or clamps.
  3. Shaft Locking Mechanisms: If the universal coupling uses set screws or clamps to secure the shafts, ensure that these locking mechanisms are adequately tightened and checked periodically to prevent shaft slippage during operation.
  4. Correct Coupling Selection: Choose the appropriate universal coupling based on the specific application’s torque, speed, and misalignment requirements. Using an undersized coupling can lead to premature failure and safety hazards.
  5. Misalignment Limits: Stay within the manufacturer’s specified misalignment limits for the universal coupling. Excessive misalignment can lead to increased stress on the coupling and connected components, potentially causing failure.
  6. Guarding and Enclosure: If the universal coupling is exposed or accessible to personnel, consider installing guarding or enclosures to prevent accidental contact and reduce the risk of injury.
  7. Training and Awareness: Ensure that personnel working with or around machinery equipped with universal couplings receive proper training and understand the potential hazards associated with these components.
  8. Maintenance and Lubrication: Follow a regular maintenance schedule and lubricate the universal coupling as recommended by the manufacturer. Proper lubrication reduces friction and wear, contributing to safe and reliable operation.
  9. Emergency Stop: Equip the machinery with an emergency stop system that allows operators to quickly shut down the equipment in case of an emergency or abnormal condition.
  10. Consult the Manufacturer: If there are any concerns or questions about the safety aspects of using a universal coupling in a specific application, consult the manufacturer or a qualified engineer for guidance.

By adhering to these safety considerations and implementing proper installation, maintenance, and operational practices, the use of universal couplings can be safer and more effective in power transmission applications.

universal coupling

How do you calculate the required size and specifications for a half coupling?

Calculating the required size and specifications for a half coupling involves considering several factors to ensure a proper fit and secure connection. Here are the steps to calculate the required size and specifications:

1. Pipe Size: Determine the size of the pipe that the half coupling will connect to. Pipe sizes are typically specified in inches, and the half coupling size should match the pipe size.

2. Pipe Material: Identify the material of the pipe, such as stainless steel, PVC, carbon steel, brass, copper, etc. The half coupling material should be compatible with the pipe material to prevent corrosion and ensure a reliable connection.

3. Pressure Rating: Determine the maximum operating pressure of the system. The half coupling should have a pressure rating that meets or exceeds the system’s operating pressure to ensure safety and performance.

4. Temperature Rating: Consider the maximum and minimum operating temperatures of the system. The half coupling material and design should be suitable for the temperature range to prevent deformation or failure.

5. Alignment and Misalignment: Evaluate the alignment and potential misalignment between the pipes. Some half couplings are designed to accommodate angular, parallel, or axial misalignment, providing flexibility in installation.

6. End Connection: Determine the type of end connection required for the half coupling, such as threaded, weld-on, or flanged. The end connection should match the corresponding connection on the pipe.

7. Corrosion Resistance: Consider the environment in which the half coupling will be installed. For corrosive environments, select a half coupling material with suitable corrosion resistance.

8. Industry Standards: Ensure that the selected half coupling complies with relevant industry standards and certifications for quality and safety.

9. Manufacturer Guidelines: Follow the manufacturer’s guidelines and recommendations for selecting the appropriate half coupling size and specifications based on the application requirements.

It is essential to consult with coupling manufacturers, suppliers, or industry experts if you are unsure about the correct size and specifications for the half coupling. Proper sizing and selection will ensure a reliable and efficient connection in the piping system.

universal coupling

What is a Universal Coupling and Where is it Used in Mechanical Systems?

A universal coupling, also known as a universal joint or U-joint, is a mechanical device used to connect two shafts that are not in a straight line and allow them to rotate at different angles to each other. It is a type of coupling that provides flexibility and compensates for misalignment between shafts, making it ideal for transmitting torque in applications where shafts are not perfectly aligned.

The universal coupling consists of two yoke-like shaft ends connected by a cross-shaped intermediate component. Each yoke end is attached to one of the shafts, and the cross-shaped component allows the two shafts to rotate independently while maintaining rotational power transmission.

The universal coupling is widely used in various mechanical systems and applications, including:

  • Automotive Drivetrains: Universal couplings are commonly used in automotive drivetrains to transmit power from the engine to the wheels. They allow the driveshaft to accommodate changes in angle and distance between the engine, transmission, and wheels.
  • Industrial Machinery: In industrial machinery, universal couplings are used to connect shafts in equipment such as pumps, compressors, gearboxes, and conveyors. They enable smooth power transmission even when the shafts are misaligned due to installation tolerances or operational conditions.
  • Marine Applications: Universal couplings are used in marine propulsion systems to connect the engine to the propeller shaft. They can accommodate the movement of the ship’s hull and allow the propeller to rotate at different angles to the engine.
  • Aerospace: Universal couplings are used in aerospace applications to transmit torque between non-aligned shafts, such as in aircraft control systems.
  • Steering Mechanisms: Universal couplings are employed in steering systems of vehicles and machinery to transfer motion from the steering wheel to the steering linkage, allowing for changes in angles during turning.

Overall, universal couplings are essential components in many mechanical systems where misalignment and flexibility are a concern. They facilitate smooth power transmission, reduce vibration, and extend the life of the connected equipment by absorbing shocks and compensating for misalignment.

China OEM Pipe Coupling, Ductile Iron Flexible Universal Coupling  universal couplingChina OEM Pipe Coupling, Ductile Iron Flexible Universal Coupling  universal coupling
editor by CX 2023-10-03