China best 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. CZPT 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



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 Temperature and Environmental Conditions Affect Universal Coupling Performance?

Temperature and environmental conditions can have a significant impact on the performance of universal couplings in mechanical systems. The materials used in manufacturing the coupling and the operating conditions can influence its durability, flexibility, and overall functionality.

Temperature: Universal couplings are often made from materials such as steel, stainless steel, or aluminum, which have specific temperature ranges they can withstand. Extreme temperatures, whether hot or cold, can affect the mechanical properties of the coupling material. High temperatures may lead to thermal expansion, which can affect the coupling’s fit and alignment. On the other hand, extremely low temperatures can cause the material to become brittle, reducing its flexibility and impact resistance. It is crucial to choose a universal coupling that is suitable for the anticipated temperature range in the application to ensure reliable performance.

Environmental Conditions: Universal couplings used in harsh environments, such as those exposed to moisture, chemicals, dust, or abrasive particles, need to be made from corrosion-resistant and durable materials. Corrosion can degrade the coupling over time, leading to reduced performance and potential failure. Additionally, environmental contaminants can affect the smooth operation of the coupling and cause premature wear. Proper sealing and protective coatings can enhance the coupling’s resistance to environmental factors.

Dynamic Operating Conditions: Some applications may subject the universal coupling to dynamic loads, shocks, or high-speed rotations. In such cases, the coupling’s fatigue strength and torsional stiffness become critical factors. High dynamic loads and shock forces can lead to stress concentration and fatigue failure in the coupling if it is not appropriately designed for such conditions.

Alignment Maintenance: Temperature variations and environmental conditions can cause changes in the alignment of the connected shafts. It is essential to regularly inspect and maintain the alignment of the coupling to prevent excessive wear and ensure optimal performance.

Overall, selecting a universal coupling that is designed to withstand the specific temperature and environmental conditions of the application is crucial for ensuring its longevity and reliable performance in mechanical systems.

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 best Ductile Iron Wide Range Flexible Joint Universal Flexible Coupling  universal couplingChina best Ductile Iron Wide Range Flexible Joint Universal Flexible Coupling  universal coupling
editor by CX 2023-08-10

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