China Hot selling DN50-DN300 Cast Iron Pipe Coupling and Clamps for BS En 877 Drainage Sytsem

Product Description

DN50-DN300 cast iron pipe coupling and clamps for BS EN 877 drainage sytsem 

1. our products are made strictly according to EN877 standard.
2. size range from DN50 to DN300, with 3m/pc.
3. painting: inside epoxy paint in color yellow with thickness above 120 micron, outside paint in color red with thickness above 60 micron. If you have special requirement, please contact with us, as we could also make the painting according to your requirement.
4. length/pc: 3m
5. delivery time: 7-15 days, depend on your quantity.
6. application: used for waste water/rain water/ventilation.
7. advantage: avoid pollution, noise resistant.
8. payment term: T/T, L/C, or D/P.
9. production capacity: 2000tons/ month
10. we could do the third party inspection at famous organizations such as SGS, BV, etc.
11. by now we have shipped our cast iron pipes to many countries such as Germany,Italy,UK,Hongkong,Russia,Turkey,Sweden,Norway,Singapore,the Middle East,etc.

 

DN External diameter DE(mm) Wall thickness(mm) Unit weight Length
Nominal value Tolerance Nominal value Minimum value kg/pc (mm)
40 48 +2
-1
3.0 2.5 12.70 3000+/-20
50 58 3.5 3.0 13.00
70 78 3.5 3.0 17.70
75/80 83 3.5 3.0 18.90
100 110 3.5 3.0 25.20
125 135 +2
-2
4.0 3.5 35.40
150 160 4.0 3.5 42.20
200 210 +2.5
-2.5
5.0 4.0 69.30
250 274 5.5 4.5 99.80
300 326 6.0 5.0 129.70

If any inquiry , Please feel free  to contact with me 

 

clamp coupling

Are There Any Maintenance Requirements for Clamp Couplings to Ensure Their Longevity?

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

  • Regular Inspection: Perform visual inspections of the clamp coupling regularly to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any deformation in the coupling components.
  • Lubrication: Some clamp couplings may require periodic lubrication to reduce friction between moving parts. Check the manufacturer’s guidelines for the appropriate lubrication schedule and use the recommended lubricant.
  • Bolt Tightening: Ensure that all the bolts and screws securing the clamp coupling are properly tightened according to the manufacturer’s specifications. Loose bolts can lead to misalignment and coupling failure.
  • Alignment: Regularly check the alignment of the connected shafts. Misalignment can cause excessive stress on the coupling and lead to premature wear. If misalignment is detected, it should be corrected promptly.
  • Environmental Protection: If the clamp coupling is used in harsh environments, take measures to protect it from dust, debris, and corrosive substances. Use suitable covers or guards to shield the coupling from external contaminants.
  • Load Monitoring: Be aware of the operating conditions and load requirements of the machinery. Excessive loads or shock loads can impact the performance of the coupling. Avoid exceeding the coupling’s specified torque and speed limits.
  • Regular Replacement: Even with proper maintenance, clamp couplings have a finite service life. It is essential to follow the manufacturer’s recommendations for replacing the coupling at the end of its expected lifespan or if any significant wear or damage is detected.

By following these maintenance practices, operators can ensure that the clamp couplings remain in good condition and continue to function reliably. Regular maintenance not only extends the coupling’s lifespan but also enhances the safety and efficiency of the entire mechanical system. Always refer to the manufacturer’s guidelines and instructions for the specific maintenance requirements of the clamp coupling model used in the application.

clamp coupling

Potential Causes of Failure in Clamp Couplings and Prevention

While clamp couplings are robust and reliable, certain factors can lead to failure if not addressed properly. Here are some potential causes of failure and the corresponding prevention measures:

  1. Insufficient Torque: If the coupling is not tightened to the recommended torque, it may slip or come loose during operation. To prevent this, always follow the manufacturer’s torque specifications and use a torque wrench during installation.
  2. Material Fatigue: Repeated load cycles and excessive vibration can lead to material fatigue and eventual failure. Choosing high-quality materials and performing regular inspections can help detect fatigue and replace the coupling before failure occurs.
  3. Corrosion: In corrosive environments, the coupling’s material may degrade over time, compromising its strength. Using stainless steel or other corrosion-resistant materials can prevent this issue.
  4. Improper Alignment: Misalignment between shafts can put undue stress on the coupling, leading to premature failure. Properly align the shafts during installation to avoid this problem.
  5. Overloading: Exceeding the maximum torque or speed limits specified by the manufacturer can cause the coupling to fail. Stay within the recommended operating parameters to prevent overloading.
  6. Temperature Extremes: Extreme temperatures can affect the material properties and cause the coupling to become brittle or lose its integrity. Select a coupling rated for the operating temperature range of the application.
  7. Poor Maintenance: Neglecting regular maintenance can lead to undetected wear, damage, or contamination, which may ultimately result in failure. Implement a proactive maintenance schedule and inspect the coupling regularly.
  8. Foreign Object Debris (FOD): Foreign particles or debris caught between the coupling components can lead to uneven loads and wear. Keep the coupling and its surroundings clean to avoid FOD-related issues.
  9. Improper Installation: Incorrectly installing the coupling, such as using incorrect fasteners or not following the manufacturer’s guidelines, can compromise its performance and durability. Always refer to the installation instructions and seek professional help if needed.
  10. Environmental Factors: Consider the specific environmental conditions of the application, such as humidity, chemicals, or abrasive substances, and select a coupling that can withstand these conditions.

By understanding and addressing these potential causes of failure, users can ensure the longevity and reliable performance of clamp couplings in their mechanical systems.

clamp coupling

What is a Clamp Coupling and How Does it Work?

A clamp coupling is a type of mechanical coupling used to connect two shafts together to transmit torque and rotational motion between them. It is a simple and effective way of joining shafts in various mechanical systems. The main components of a clamp coupling typically include two hubs and a center section.

Working Principle:

The clamp coupling works on the principle of frictional force and mechanical interference fit. Here’s how it functions:

  1. Hub Assembly: Each end of the shaft has a hub, which is a cylindrical component with a bored hole that matches the shaft diameter. The hubs may have keyways or splines to provide additional torque transmission.
  2. Center Section: The center section of the coupling sits between the two hubs. It is often a split cylindrical sleeve with threaded holes on its outer surface.
  3. Clamping: To assemble the clamp coupling, the two hubs are placed on the respective shafts, and the center section is inserted between them. Then, bolts are inserted through the holes in the hubs and screwed into the threaded holes of the center section. As the bolts are tightened, the center section is drawn inward, creating a compressive force on the shafts and the hubs, thus firmly holding them together.
  4. Frictional Connection: The clamping force between the center section and the shafts creates a frictional connection. This frictional force allows the coupling to transmit torque and rotational motion from one shaft to the other.

Advantages:

Clamp couplings offer several advantages:

  • Easy and quick installation, requiring minimal tools and no special skills.
  • Simple design and cost-effective manufacturing.
  • High torque transmission capacity, making them suitable for various industrial applications.
  • Zero backlash, ensuring accurate and precise motion transfer.
  • Can accommodate different shaft sizes and materials, providing flexibility in design.

Applications:

Clamp couplings find application in a wide range of industries and mechanical systems, including:

  • Power transmission in industrial machinery and equipment.
  • Robotics and automation systems.
  • Printing and packaging machines.
  • Material handling equipment.
  • Pumps and compressors.
  • Conveyor systems.

Overall, clamp couplings are a reliable and versatile solution for connecting rotating shafts and transferring power in various mechanical setups.

China Hot selling DN50-DN300 Cast Iron Pipe Coupling and Clamps for BS En 877 Drainage Sytsem  China Hot selling DN50-DN300 Cast Iron Pipe Coupling and Clamps for BS En 877 Drainage Sytsem
editor by CX 2023-10-09