China manufacturer 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 Safety Considerations When Using Clamp Couplings in Specific Applications?

While clamp couplings are generally considered safe and reliable, there are specific safety considerations to keep in mind when using them in various applications:

  1. Proper Installation: Ensuring the clamp coupling is installed correctly is crucial for its safe operation. Follow the manufacturer’s guidelines and torque specifications during installation to prevent coupling failure.
  2. Maintenance: Regular maintenance is essential to identify wear, corrosion, or damage that could compromise the coupling’s integrity. Replace worn or damaged parts promptly to prevent unexpected failures.
  3. Temperature and Environment: Consider the operating temperature and environmental conditions of the application. In high-temperature or corrosive environments, choose materials like stainless steel that can withstand such conditions without compromising safety.
  4. Alignment: Misalignment between shafts can lead to premature wear and coupling failure. Ensure the shafts are properly aligned to prevent excessive stress on the coupling.
  5. Overloading: Avoid exceeding the torque and speed limits specified by the manufacturer. Overloading the coupling can lead to premature failure and safety hazards.
  6. Dynamic Balancing: In rotating machinery, ensure that components are dynamically balanced to reduce vibrations that could affect the coupling’s performance and cause fatigue failure.
  7. Periodic Inspection: Regularly inspect the clamp coupling and surrounding components for signs of wear, fatigue, or damage. Address any issues promptly to prevent unexpected failures.
  8. Application-Specific Considerations: Consider the specific requirements of the application. For example, in food processing, choose couplings that meet hygienic standards, while in explosive environments, consider couplings with anti-spark features.
  9. Training and Awareness: Ensure that personnel working with clamp couplings are adequately trained and aware of safety guidelines to handle the equipment properly.

By adhering to these safety considerations and taking appropriate precautions, clamp couplings can be used safely and effectively in various applications, contributing to the reliability and efficiency of mechanical systems.

clamp coupling

Clamp Couplings and Damping Vibrations/Noise

Yes, clamp couplings can help dampen vibrations and reduce noise in mechanical systems to some extent. While not specifically designed as vibration isolators, clamp couplings can mitigate vibrations and noise due to their unique design and material properties.

The design of clamp couplings involves a split hub with screws that securely fasten around the shafts. This design offers several benefits:

  1. Damping Effect: The material of the coupling can absorb and dampen some of the vibrations generated by rotating equipment. Elastomeric elements or flexible materials used in some clamp couplings can help attenuate vibrations.
  2. Reduction of Resonance: Vibrations in rotating machinery can sometimes lead to resonance, causing excessive oscillations. Clamp couplings can help break the resonance cycle and prevent amplification of vibrations.
  3. Torsional Compliance: Some clamp couplings exhibit a degree of torsional compliance, which means they can tolerate small angular misalignments and dampen torsional vibrations.
  4. Transmissible Torque Variation: In some cases, clamp couplings can absorb torque spikes or variations, reducing the impact of sudden changes in load.

While clamp couplings can provide some level of vibration and noise reduction, their primary function is to transmit torque and accommodate misalignment between shafts. For more demanding vibration isolation or noise reduction applications, specialized components such as flexible couplings with damping features or dedicated vibration isolation mounts may be more suitable.

It is essential to consider the specific requirements of the mechanical system and consult with experts to determine the most appropriate coupling or isolator for achieving the desired level of vibration and noise reduction.

clamp coupling

Different Types of Clamp Couplings

Clamp couplings come in various designs to accommodate different shaft sizes, torque levels, and application requirements. Some common types of clamp couplings available in the market include:

  1. Two-Piece Clamp Couplings: This type of coupling consists of two separate hubs that are connected by a clamp. The clamp is tightened to secure the two hubs onto the shafts, creating a rigid connection. Two-piece clamp couplings are easy to install and suitable for applications with moderate torque and misalignment.
  2. One-Piece Clamp Couplings: As the name suggests, one-piece clamp couplings have a single-piece construction, which simplifies the installation process. They provide a compact and lightweight solution for low to medium torque applications.
  3. Double-Walled Clamp Couplings: These couplings have a unique double-walled design, providing better torque transmission capabilities and torsional rigidity. They are ideal for applications with high torque and precise positioning requirements.
  4. Set Screw Clamp Couplings: Set screw clamp couplings use set screws to secure the coupling onto the shaft. While they are simple and cost-effective, they may not handle high torque and misalignment as effectively as other types.
  5. Wedge Clamp Couplings: Wedge clamp couplings use a wedge-shaped collar to create a tight grip on the shaft. They offer excellent torque transmission and axial holding power, making them suitable for heavy-duty applications.
  6. Keyless Clamp Couplings: Keyless clamp couplings eliminate the need for keyways and key connection. Instead, they use compression to secure the coupling to the shaft, providing high torque capacity and easy installation.
  7. Hydraulic Clamp Couplings: Hydraulic clamp couplings use hydraulic pressure to tighten the clamp, ensuring uniform pressure distribution and secure shaft connections. They are commonly used in high-power and critical applications.
  8. Clamp Couplings with Tapered Bushings: These couplings feature tapered bushings that provide a tight fit on the shaft and enhance torque transmission capabilities. They are suitable for heavy-duty applications and high misalignment conditions.

The selection of the appropriate clamp coupling depends on the specific requirements of the mechanical system, such as torque levels, shaft sizes, misalignment allowances, and operating conditions. Consulting with coupling manufacturers or engineering experts can help in choosing the right type of clamp coupling for a particular application.

China manufacturer DN50-DN300 Cast Iron Pipe Coupling and Clamps for BS En 877 Drainage Sytsem  China manufacturer DN50-DN300 Cast Iron Pipe Coupling and Clamps for BS En 877 Drainage Sytsem
editor by CX 2023-11-16