China Standard Factory Price Supplier Wholesale Ductile Iron Flexible Universal Wide Range Pipe Flange Adaptor and Coupling for Pipes, Flange Adatpor, Dismantling Joint universal coupling

Product Description

Ductile iron universal joint
1) The Universal Flanged Adaptors and Couplings are designed for pipelines, As a wide tolerance system
2) It will fit most standard pipe materials and therefore dramatically reduces the number of dedicated Flanged Adaptors and couplings which need to be stocked for maintenance purposes.
3) It is suitable for steel, GRP, PVC, PE, Ductile Iron, Cast Ironand Asbestors Cement. When connecting PE pipes, It is important that pipe inserts are fitted to the PE pipes.

1) All the flanged adaptors are assembled by ” T ” bolts.
2) Bolts, Nuts and Washers are in carbon steel Grade 4.8, 8.8 with zinc plated, dacromet coating or according to customer’s request.
3) Body material is Ductile iron GGG500-7.
4) CHINAMFG bonded epoxy powder coating in blue, black or red or according to customer’srequest.
5) Gaskets material: E. P. D. M., NBR or SBR.
6) Accommodate BS, DIN, ANSI flange drillings. Specification Unit Weight Sealing Ranges(mm) inches mm kgs 2″ 50 3.6 59~732 1/2″ 65 4.50 72~853″ 80 4.83 88~1034″ 100 5.51 108~1285″ 125 7.74 132~1546″ 150 8.32 159~1827″ 175 11.30 192~2098″ 200 9.95 218~23510″ 250 14.50 271~28912″ 300 18.62 322~34014″ 350 26.00 374~39116″ 400 28.85 417~43718″ 450 33.40 480~5571″ 500 50.00 526~54624″ 600 54.10 630~650.


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

2. Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

3. Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.

4. 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.

5. 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.

6. Which price terms could accepted?
A: FOB,CIF all acceptable.

universal coupling

Are there Maintenance Requirements for Universal Couplings to Ensure Longevity?

Yes, like any mechanical component, universal couplings require regular maintenance to ensure longevity and optimal performance. Proper maintenance practices can help prevent premature wear, reduce the risk of failure, and extend the service life of the coupling. Here are some essential maintenance requirements for universal couplings:

  • Lubrication: Universal couplings consist of moving parts, such as bearings and cross journals, which require proper lubrication. Regularly lubricating the coupling helps reduce friction, wear, and heat generation. The type and amount of lubrication needed depend on the coupling’s design and the manufacturer’s recommendations.
  • Inspection: Regular visual inspections should be performed to check for signs of wear, damage, or misalignment. Look for any abnormal vibrations, noise, or leakage. If any issues are detected, they should be addressed promptly to prevent further damage.
  • Torque Checks: It is essential to periodically check the torque of the coupling’s fasteners, such as bolts and nuts, to ensure they are properly tightened. Loose fasteners can lead to misalignment and coupling failure.
  • Alignment: If the coupling is used in an application where misalignment is common, such as automotive drivetrains, it is crucial to check and adjust the alignment regularly. Proper alignment helps prevent excessive stress on the coupling and other connected components.
  • Replacement of Worn Parts: Over time, certain parts of the universal coupling, such as bearings and seals, may wear out and need replacement. Following the manufacturer’s recommended service intervals and using genuine replacement parts is essential to maintain the coupling’s reliability.

It is essential to refer to the manufacturer’s maintenance guidelines and recommendations specific to the universal coupling model and application. Regular maintenance not only ensures the longevity of the coupling but also contributes to the overall efficiency and reliability of the machinery or system in which it is used.

universal coupling

Can a Universal Coupling Reduce Vibration and Noise in Mechanical Systems?

Yes, a universal coupling can help reduce vibration and noise in mechanical systems, especially in applications where misalignment is a concern. Universal couplings are designed to accommodate angular misalignment between shafts, which can arise due to various factors such as manufacturing tolerances, thermal expansion, or dynamic forces.

When shaft misalignment occurs in a mechanical system, it can lead to vibration and noise during operation. This is because misaligned shafts cause uneven distribution of forces and result in increased stresses on bearings, shafts, and other connected components. The resulting vibration and noise can be detrimental to the performance, efficiency, and lifespan of the machinery.

By using a universal coupling, the coupling’s design allows it to compensate for angular misalignment and minimize the transmission of misalignment-induced vibrations to the connected equipment. The flexibility of the universal coupling allows it to handle moderate angular misalignments while transmitting torque smoothly between shafts. This reduces the stresses on the connected components and mitigates the vibration and noise levels.

However, it is important to note that while universal couplings can help reduce vibration and noise caused by angular misalignment, they may not address other sources of vibration and noise in the system. For example, if the vibration is primarily caused by unbalanced rotating parts, worn bearings, or other factors unrelated to misalignment, a universal coupling alone may not be sufficient to eliminate the issue.

Overall, when selecting a universal coupling for a specific application, it is essential to consider the level of misalignment it can handle, the type of vibration and noise issues present, and whether additional measures are required to address other sources of vibration and noise in the mechanical system.

universal coupling

Can Universal Couplings Accommodate Misalignment in Shafts and Drives?

Yes, universal couplings are specifically designed to accommodate misalignment between shafts and drives. The unique design of universal couplings allows them to transmit torque and rotation between two shafts that are not in perfect alignment with each other. There are two primary types of misalignment that universal couplings can handle:

  • Angular Misalignment: Universal couplings can handle angular misalignment, which occurs when the shafts are not in line with each other and form an angle. The design of the universal joint allows it to bend and flex at different angles, allowing the shafts to stay connected and transmit torque even when they are not perfectly aligned.
  • Parallel Misalignment: Universal couplings can also handle parallel misalignment, which occurs when the two shafts are not perfectly parallel to each other. The flexible nature of the universal joint allows it to compensate for small variations in parallel alignment, ensuring that the shafts remain connected and transmit power efficiently.

By accommodating misalignment, universal couplings help to reduce stress on the shafts and other connected components, thus preventing premature wear and failure. They are commonly used in various applications, including automotive drivetrains, industrial machinery, marine propulsion systems, and aerospace equipment, where misalignment is inevitable due to the dynamic nature of the systems.

China Standard Factory Price Supplier Wholesale Ductile Iron Flexible Universal Wide Range Pipe Flange Adaptor and Coupling for Pipes, Flange Adatpor, Dismantling Joint  universal couplingChina Standard Factory Price Supplier Wholesale Ductile Iron Flexible Universal Wide Range Pipe Flange Adaptor and Coupling for Pipes, Flange Adatpor, Dismantling Joint  universal coupling
editor by CX 2023-11-27