China supplier Ductile Iron Rigid or Flexible Coupling

Product Description

 

CDU Ring Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:1.6-4.0Mpa/6.4Mpa/10Mpa/1.0-2.5Mpa
Feature:1.easy to install, easy to disassemble, and 5-10 times higher work efficiency.2.The connection is flexible, effectively reduce mechanical vibration, and the seismic effect is excellent.3.It can rotate 360 degrees around the tube axis and adjust the wear surface easily.4.The sequence of pipe rows is arbitrary, and can be constructed head-to-head or separately.5.Wear resistance, corrosion resistance, long service life.
Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

KRJ shoulder Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:10Mpa/6.4Mpa/4Mpa/2.5Mpa/1.6Mpa.
Feature:Has a self-sealing effect.Reliable performance and easy installation.
Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

KRH short  Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:1.0-10Mpa/1.0-2.5Mpa/1.0-1.6Mpa
Feature:Has a self-sealing effect.Reliable performance and easy installation.
Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

Grooved Flexible High Pressure Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Size range:33~325mm
Working pressure:10Mpa
Feature:
1.Flexible connection, strong adaptability, can provide 0~4 degrees of deflection Angle.
               2.It has the function of shock absorption and heat expansion and contraction.
               3.The joint surface can be hot-dip galvanized or plasticized.
Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

FAQ

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white wearable woven bags. If you have legally registered patent, 
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages 
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.
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flexible coupling

What are the real-world applications of flexible couplings in various industries?

Flexible couplings are widely used in a variety of industries to transmit power and motion between rotating shafts while accommodating misalignments and reducing vibrations. Some of the real-world applications of flexible couplings include:

  • Industrial Machinery: Flexible couplings are extensively used in industrial machinery such as pumps, compressors, fans, mixers, and conveyors. They help transmit power from motors to driven equipment, while absorbing misalignments and reducing shock loads and vibrations.
  • Automotive: In the automotive industry, flexible couplings are used in various applications, including drive shafts, steering systems, and engine accessories. They help transmit power and motion while allowing for misalignment and reducing torsional vibrations.
  • Aerospace: In aircraft and aerospace applications, flexible couplings are used in engine systems, landing gear, and flight control systems. They provide reliable power transmission while accommodating misalignment and reducing vibrations in the demanding aerospace environment.
  • Marine: Flexible couplings are used in marine propulsion systems to connect the engine to the propeller shaft. They help transmit power and motion while compensating for shaft misalignment and reducing vibrations in marine vessels.
  • Renewable Energy: In wind turbines and solar tracking systems, flexible couplings are used to transfer power and motion between the turbine or solar panel and the generator. They allow for misalignment caused by wind and sun direction changes, ensuring optimal energy conversion.
  • Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, and drilling equipment. They provide reliable power transmission while accommodating misalignments and reducing vibrations in harsh and demanding oilfield environments.
  • Mining and Construction: Flexible couplings are used in heavy-duty mining and construction equipment, including excavators, bulldozers, and loaders. They help transmit power from engines to drive systems while compensating for misalignments and reducing vibrations in rugged and challenging environments.
  • Food and Beverage: In food processing and packaging machinery, flexible couplings are used to transmit power and motion while meeting strict hygiene and safety requirements. They help prevent contamination while accommodating shaft misalignments.
  • Medical Equipment: Flexible couplings are used in medical devices and equipment, including imaging machines and robotic surgical systems. They help transmit motion and power while reducing vibrations and maintaining precision.
  • Textile Industry: In textile manufacturing machines, flexible couplings are used in spinning, weaving, and dyeing processes. They help transmit power efficiently while accommodating misalignments and reducing vibrations during high-speed operation.

These are just a few examples of the diverse applications of flexible couplings in various industries. Their ability to enhance power transmission efficiency, accommodate misalignments, and reduce vibrations makes them a versatile and indispensable component in modern machinery and equipment.

flexible coupling

How does a flexible coupling help in torque and rotational speed control?

A flexible coupling plays a crucial role in torque and rotational speed control in rotating machinery. It offers several benefits that contribute to efficient power transmission and help maintain desired operating conditions:

  • Torque Transmission: Flexible couplings transmit torque from one shaft to another while accommodating misalignments. They provide a reliable connection that allows the driving shaft to transfer rotational force (torque) to the driven shaft without causing undue stress on the connected components.
  • Smooth Power Transmission: Flexible couplings help reduce shocks and vibrations that can occur during startup, shutdown, or sudden load changes. By damping these vibrations, the coupling ensures smooth power transmission and protects the connected equipment from unnecessary wear.
  • Rotational Speed Control: In certain applications, especially those involving precision motion control, maintaining consistent rotational speed is critical. Flexible couplings can help by minimizing backlash and torsional wind-up. Backlash refers to the play or gap between the coupling's components, while torsional wind-up is the twisting deformation that can occur under torque load. Flexible couplings with low backlash and high torsional stiffness contribute to accurate rotational speed control.
  • Compensation for Misalignment: Rotating machinery may experience misalignment due to various factors such as thermal expansion, foundation settling, or machining tolerances. Flexible couplings accommodate angular, parallel, and axial misalignments, which helps in maintaining proper alignment between the shafts and reduces unnecessary torque variations.
  • Protection from Overloads: Flexible couplings can act as a mechanical fuse by disengaging or slipping when subjected to excessive torque loads. This feature protects the connected components from damage caused by sudden overloads or jamming events.
  • Energy Efficiency: Certain types of flexible couplings, such as elastomeric couplings or beam couplings, have low mass and inertia. This characteristic reduces energy losses and contributes to overall system efficiency.

By providing reliable torque transmission, smooth power transfer, rotational speed control, and compensation for misalignment, flexible couplings optimize the performance and longevity of rotating machinery. Additionally, they enhance the safety and efficiency of various industrial processes by protecting equipment from excessive loads and ensuring smooth operation in diverse applications.

flexible coupling

Can flexible couplings be used in corrosive or harsh environments?

Yes, flexible couplings can be designed and selected to be used in corrosive or harsh environments. The choice of materials and coatings plays a crucial role in ensuring the coupling's durability and performance under challenging conditions.

Corrosion-Resistant Materials:

In corrosive environments, it is essential to use materials that can withstand chemical attacks and oxidation. Stainless steel, specifically grades like 316 or 17-4 PH, is commonly chosen for flexible couplings in such situations. Stainless steel offers excellent corrosion resistance, making it suitable for applications where the coupling may come into contact with corrosive substances or moisture.

Special Coatings:

For certain harsh environments, coupling manufacturers may apply special coatings to enhance the coupling's corrosion resistance. Examples of coatings include zinc plating, nickel plating, or epoxy coatings. These coatings provide an additional layer of protection against corrosive agents and help extend the coupling's lifespan.

Sealed Designs:

In environments where the coupling is exposed to contaminants like dust, dirt, or moisture, sealed designs are preferred. Sealed flexible couplings prevent these substances from entering the coupling's internal components, thus reducing the risk of corrosion and wear. The sealed design also helps to maintain the coupling's performance over time in challenging conditions.

High-Temperature Applications:

For harsh environments with high temperatures, flexible couplings made from high-temperature resistant materials, such as certain heat-resistant stainless steels or superalloys, can be used. These materials retain their mechanical properties and corrosion resistance even at elevated temperatures.

Chemical Resistance:

For applications where the coupling might encounter chemicals or solvents, it is essential to select a coupling material that is chemically resistant. This prevents degradation and ensures the coupling's integrity in such environments.

Specialized Designs:

In some cases, where the environment is exceptionally harsh or unique, custom-designed flexible couplings may be necessary. Engineering a coupling to meet the specific demands of the environment ensures optimal performance and reliability.

Consultation with Manufacturers:

When considering flexible couplings for corrosive or harsh environments, it is advisable to consult with coupling manufacturers or engineering experts. They can provide valuable insights and recommend suitable materials, coatings, and designs based on the specific operating conditions.

Summary:

Flexible couplings can indeed be used in corrosive or harsh environments, provided the appropriate materials, coatings, and designs are chosen. Stainless steel, sealed designs, and special coatings are some of the solutions that enhance the coupling's corrosion resistance and performance. It is essential to consider the specific environment and application requirements when selecting a flexible coupling to ensure optimal functionality and durability in challenging conditions.

China supplier Ductile Iron Rigid or Flexible Coupling  China supplier Ductile Iron Rigid or Flexible Coupling
editor by CX 2024-03-03

flexible shaft coupling

As one of leading flexible shaft coupling manufacturers, suppliers and exporters of products, We offer flexible shaft coupling and many other products.

Please contact us for details.

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