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Hdpe Repair Clamp

About Us

Hangzhou Changpu Pipe Industry Co., Ltd.

Hangzhou Changpu Pipe Industry Co., Ltd. was established in 2010, which is a professional factory major in the production of polyethylene (PE) Butt fusion fittings, Socket fusion fittings, Electrofusion fittings, PE stop valves, PE /Steel transition fittings, repair clamp ETC . Company located in Xiaoshan District, Hangzhou city, Close to Shanghai, Ningbo and Yiwu port. Wholesale Hdpe Repair Clamp Suppliers and Company in China. Benefit from premium quality, company achieved rapid development. Our distribution network through out China and many long-term cooperation relationship partners in overseas market such as Southeast Asia, Africa, Middle East, Europe, South America and so on.

The company processes complete detection methods by veteran QC team to ensure the quality from raw material to finished product. Our products pass the test from National Chemical Building Materials Testing Center,all performance indicators are in compliance with the GB 15558.2 / EN1555 standards. Also they certified by ECM and obtain CE certification.

We welcome domestic and foreign customers visit our company for guidance, exchanges and cooperation.

Certificate Of Honor

  • Product test report
  • CE
  • Quality management system certificate
  • Certificate
  • Certificate
  • Certificate


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Industry knowledge

Can Hdpe Repair Clamp be used in high-temperature or high-pressure applications?
HDPE Repair Clamp is generally not recommended for use in high-temperature or high-pressure applications. HDPE is a thermoplastic material that has excellent chemical resistance and is widely used for various piping and repair applications. However, its performance is limited when it comes to elevated temperatures and high-pressure conditions.
The limitations of HDPE Repair Clamps in high-temperature and high-pressure applications are due to the following reasons:
Temperature Resistance: HDPE has a relatively low melting point compared to other engineering plastics and metals. At elevated temperatures, HDPE becomes softer and can deform, potentially leading to failure or leakage in the repair clamp.
Pressure Capability: HDPE Repair Clamps are designed to provide a temporary or emergency repair solution for leaking or damaged pipes. They may not be able to withstand the high internal pressure of some systems, especially when used over an extended period.
Creep: Under sustained high temperatures and pressures, HDPE can experience "creep," which is a gradual deformation over time. This can compromise the integrity of the repair clamp and the pipe, leading to leaks or failures.
Compatibility: High temperatures and certain chemicals may not be compatible with HDPE, potentially causing chemical degradation or weakening of the material.
For high-temperature and high-pressure applications, other materials like metal repair clamps or specific high-temperature plastics may be more suitable. Metal repair clamps are commonly used for higher pressure applications, and there are also specialty repair solutions available for elevated temperature scenarios.
Are there any limitations or drawbacks associated with using Hdpe Repair Clamp ?
Yes, there are some limitations and drawbacks associated with using HDPE Repair Clamps:
Temperature Limitations: HDPE has a relatively low melting point compared to metals and some other plastics. This makes HDPE Repair Clamps unsuitable for use in high-temperature applications as they may soften or deform at elevated temperatures, leading to potential failure or leakage.
Pressure Capability: While HDPE Repair Clamps are designed to provide a temporary or emergency repair solution for leaking or damaged pipes, they may not be able to withstand high internal pressure over an extended period. In high-pressure systems, metal repair clamps or other robust solutions might be more suitable.
Creep: HDPE can experience "creep" under sustained loads, which is a gradual deformation over time. Creep may compromise the long-term effectiveness of the repair clamp, especially in high-pressure applications.
Compatibility: The chemical compatibility of HDPE with the fluid being conveyed is crucial. Some chemicals and fluids may not be compatible with HDPE, leading to chemical degradation and reduced performance.
Limited Size Range: HDPE Repair Clamps are available in specific sizes to accommodate different pipe diameters. However, the range of available sizes might not cover all applications, especially for larger or non-standard pipe sizes.
Installation Challenges: Proper installation is crucial to the effectiveness of a repair clamp. HDPE Repair Clamps require careful installation to ensure a secure and leak-proof joint. Improper installation may lead to additional leaks or even further damage.
Temporary Solution: HDPE Repair Clamps are generally considered a temporary or emergency solution to address immediate leaks or damage. For a long-term and more reliable fix, replacing the damaged section of the pipe or using other repair methods might be necessary.
UV Degradation: When exposed to sunlight for extended periods, HDPE can undergo degradation due to UV radiation. If the repair clamp is installed in an outdoor or exposed environment, it may deteriorate over time.
Environmental Impact: While HDPE itself is a recyclable material, the repair clamps might not be easily recyclable due to the combination of materials used in their construction, such as metal fasteners or rubber gaskets.