China OEM Flexible Universal Range Coupling Flange Adaptor ISO9001 Pipe Fitting universal coupling

Product Description



 Universal coupling is also called wide range coupling, tolerance range coupling .
 It can fit most standard pipe materials and therefore dramatically reduces the stocks of dedicated couplings 

 It is suitable for steel , GRP, PVC, PE, Ductile Iron , Cast Iron and Asbestors Cement pipes.
 Size from DN40-DN2000

 PN10, PN16, PN25. Flange according to ISO2531/ EN545,/EN1092


1.Q: Are you manufacture or trade company?
A: We are a manufacturer factory and we also have our own exporting license.

2.Q: Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs. 

3.Q: Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.

4.Q: Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.

5.Q: Can I request to change the form of packaging and transportation?
A: Sure, we’re glad to fulfill your requirement. Yet please understand that extra costs may occur if the form of packaging and transportation are changed.

6.Q: Why trust in us ?
AMore than 20 years in this industry . It makes us professional .Good credit in this market. All of our machines are the assurance of our responsibility.    

7. More questions please feel free to contact us.


universal coupling

What are the Common Materials Used in Manufacturing Universal Couplings?

Universal couplings are commonly manufactured using a variety of materials, each chosen based on its mechanical properties, durability, and compatibility with the application. Some of the common materials used in manufacturing universal couplings include:

  • Steel: Steel is one of the most widely used materials for universal couplings. It offers excellent strength, durability, and resistance to wear. Carbon steel and alloy steel are commonly used for general-purpose universal couplings.
  • Stainless Steel: Stainless steel is chosen for its corrosion resistance and ability to withstand harsh environmental conditions. It is commonly used in applications where the coupling may be exposed to moisture, chemicals, or high temperatures.
  • Aluminum: Aluminum is lightweight and has good corrosion resistance. It is often used in applications where weight reduction is essential, such as in the automotive and aerospace industries.
  • Cast Iron: Cast iron is known for its high strength and wear resistance. It is commonly used for heavy-duty applications and situations where shock loads may be present.
  • Bronze: Bronze is a material chosen for its self-lubricating properties. It is commonly used in applications where lubrication may be limited or difficult.
  • Plastics: Some universal couplings use high-strength plastics, such as polyurethane or nylon, for specific applications where non-metallic materials are preferred due to factors like electrical insulation or chemical resistance.

The choice of material depends on factors such as the application’s operating conditions, load requirements, temperature range, and potential exposure to corrosive or abrasive substances. Manufacturers select the appropriate material to ensure that the universal coupling performs reliably and efficiently in its intended environment.

universal coupling

How do you select the right half coupling material based on the fluid or gas being conveyed?

When choosing the right half coupling material for a specific fluid or gas conveyance application, several factors need to be considered. The material selection is critical to ensure compatibility with the conveyed substance, prevent corrosion, and maintain the overall integrity of the coupling. Here are the steps to help select the appropriate half coupling material:

1. Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the system. Consider factors such as the chemical composition, temperature, pressure, and whether it is corrosive or abrasive.

2. Check Material Compatibility: Ensure that the material of the half coupling is compatible with the conveyed substance. Some fluids or gases may react with certain materials, leading to corrosion or contamination. For example, corrosive chemicals may require corrosion-resistant materials such as stainless steel.

3. Consider Temperature and Pressure: High temperatures and pressures can affect the mechanical properties of the coupling material. Ensure that the selected material can withstand the operating conditions without compromising its structural integrity.

4. Corrosion Resistance: If the conveyed substance is corrosive, select a material that offers high corrosion resistance. Stainless steel, for instance, is known for its excellent corrosion resistance properties.

5. Abrasion Resistance: For applications involving abrasive fluids or gases, choose a material that can withstand wear and erosion. Hardened materials or those with protective coatings may be suitable.

6. Compliance with Standards: Consider whether there are specific industry standards or regulations that dictate the choice of material for certain applications. Ensure that the selected material meets these standards, especially in critical industries like food, pharmaceuticals, or petrochemicals.

7. Budget and Availability: Take into account the cost of the material and its availability. Some specialized materials may be more expensive or harder to obtain, so it’s essential to balance performance requirements with budget constraints.

8. Seek Expert Advice: If unsure about the best material choice, consult with coupling manufacturers or industry experts who can provide guidance based on the specific application requirements.

By carefully considering the conveyed fluid or gas, the operating conditions, and the material properties, it is possible to select the right half coupling material that ensures reliable and safe conveyance in the system.

universal coupling

How does a Universal Coupling Work to Transmit Torque and Rotation?

A universal coupling, also known as a universal joint or U-joint, is a mechanical device used to transmit torque and rotation between two shafts that are not in a straight line and have angular misalignment. It allows for flexible coupling between the shafts, enabling power transmission even when they are at different angles to each other.

The basic design of a single universal joint consists of two yokes, each attached to the end of the shafts to be connected. The yokes are connected by a cross-shaped intermediate component, often referred to as the spider or cross. The spider has four arms, each fitting into a yoke, creating a flexible joint.

When one shaft rotates, the spider transmits the motion to the other yoke and, consequently, to the second shaft. This mechanism allows the universal coupling to handle angular misalignment between the shafts. The universal joint can accommodate small angles of misalignment, making it ideal for applications where the shafts are not perfectly aligned.

The double universal joint, also known as the double Cardan joint, consists of two single universal joints connected end-to-end with an intermediate shaft in between. This design reduces the angular variation between the input and output shafts, providing a smoother rotation and reducing vibration in certain applications.

The constant velocity joint (CV joint) is a specialized type of universal joint that maintains a constant velocity ratio between the input and output shafts. It is commonly used in automotive drive shafts to provide smooth power transmission, especially in front-wheel-drive vehicles, where the drive shafts must adjust to changing angles as the wheels turn.

Overall, universal couplings are essential components in various mechanical systems, especially in vehicles, industrial machinery, and power transmission applications. They allow for flexible power transmission while compensating for misalignment, making them a versatile and widely used coupling solution.

China OEM Flexible Universal Range Coupling Flange Adaptor ISO9001 Pipe Fitting  universal couplingChina OEM Flexible Universal Range Coupling Flange Adaptor ISO9001 Pipe Fitting  universal coupling
editor by CX 2023-12-04