China wholesaler Ductile Iron Wide Range Flexible Joint Universal Flexible Coupling universal coupling

Product Description

Ductile iron wide range Flexible Joint Universal Flexible coupling flange adaptor onnection for D.I. pipe

The universal Flanged Adptors are designed for pipelines
As a wide tolerance system it will fit most standard pipe materials and thereford dramatically reduces the number of dedicated flanged adaptors which need to be stocked for maintenance purposes.
It is suitable for steel, GRP, PVC, PE, Ductile Iro, Cast Iron and asbestors Cement. When connection PE Pipes, It is important that pipe inserts are fitted to the PE Pipes.

Flexible wide range couplings and flange adapters for pipes DN50 up to and including DN600

1. All the Flanged adaptors are assembled by “T” bolts. 2″, 2 1/2″, 3″, 4″, 5″, 6″, 7″ & 8″ have 4 bolt holes. 10″& 12″ have 6 bolt, holes, 14″ & 16″ have 8 bolt holes, 18″, 20″ & 24″ are with 10 bolt holes.
2. Bolts, Nuts and Washers are in carbon steel Grade 4.8 with zinc plated, dacromet or according to customer’s request.
3. Body material is High quality ductile iron GGG450-10, GGG500-7
4. CHINAMFG bonded epoxy powder coating in bule, black or red or according to customer’s request.
5. Gaskets material: E. P. D. M, NBR or SBR.
6. Accommodate BS. DIN, ANSI flange drillings.

Specification Unit Weight Sealing Ranges
inches mm kgs mm
2″ 50 3.6 59~73
2 1/2″ 65 4.5 72~85
3″ 80 4.83 88~103
4″ 100 5.51 108~128
5″ 125 7.74 132~154
6″ 150 8.32 159~182
7″ 175 9.95 192~209
8″ 200 11.3 218~235
10″ 250 14.5 271~289
12″ 300 18.62 322~340
14″ 350 26 374~391
16″ 400 28.85 417~437
18″ 450 33.4 480~500
20″ 500 50 526~546
24″ 600 54.1 630~650

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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

Advantages of Using a Universal Coupling in a Drive System

A universal coupling, also known as a universal joint or U-joint, offers several advantages when used in a drive system:

  • Flexibility: Universal couplings can transmit torque and rotation between shafts that are not in a straight line and have angular misalignment. This flexibility allows for easier design and installation of the drive system, especially in applications where the shafts are not perfectly aligned.
  • Angular Misalignment Compensation: The universal joint can handle angular misalignment between the connected shafts, making it suitable for applications where the shafts are at different angles to each other. This feature helps reduce stress on the shafts and bearings, leading to extended component life.
  • Smooth Power Transmission: The double universal joint, also known as the double Cardan joint, can reduce the angular variation between the input and output shafts, resulting in smoother power transmission and reduced vibration in certain applications.
  • Constant Velocity: The constant velocity joint (CV joint) maintains a constant velocity ratio between the input and output shafts. This is particularly important in automotive drive shafts, especially in front-wheel-drive vehicles, where the drive shafts must adjust to changing angles as the wheels turn. The constant velocity feature provides a smoother ride and reduces vibration.
  • Compact Design: Universal couplings have a relatively simple design, which allows for a compact and lightweight construction. This is advantageous in applications where space and weight are critical factors.
  • Cost-Effective: Universal couplings are cost-effective compared to some other types of couplings, making them a popular choice for various mechanical systems.
  • Reliability: When properly lubricated and maintained, universal couplings can provide reliable and efficient power transmission for a long service life.
  • Versatility: Universal couplings are versatile and find applications in various industries, including automotive, aerospace, marine, industrial machinery, and power transmission systems.

In conclusion, the universal coupling’s ability to handle misalignment and provide flexibility in power transmission makes it a valuable component in many drive systems. Its advantages in compensating for angular misalignment, ensuring smooth power transmission, and offering a cost-effective and reliable solution have contributed to its widespread use in different mechanical applications.

China wholesaler Ductile Iron Wide Range Flexible Joint Universal Flexible Coupling  universal couplingChina wholesaler Ductile Iron Wide Range Flexible Joint Universal Flexible Coupling  universal coupling
editor by CX 2024-03-18

universal coupling

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