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PP Compression Fitting

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 PP Compression Fitting 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

What are the advantages of using PP Compression Fitting in geothermal applications?
Using PP compression fittings in geothermal applications offers several advantages that make them a popular choice for connecting pipes in geothermal systems. Here are some of the key advantages:
Corrosion Resistance: PP compression fittings are highly resistant to corrosion, making them ideal for use in the harsh and corrosive underground environment of geothermal systems. They can withstand the chemical reactions and elements found in the soil without deteriorating over time.
Lightweight: PP compression fittings are lightweight, which simplifies handling and installation. This is particularly beneficial when working with larger diameter pipes commonly used in geothermal applications.
Easy Installation: PP compression fittings are easy to install and do not require specialized tools such as welding machines or heat fusion equipment. The compression fitting design allows for quick and straightforward assembly, reducing installation time and costs.
Leak-Free Joints: Compression fittings create reliable and leak-free joints without the need for additional sealants or adhesives. When properly installed, the fittings create a tight connection that can withstand the pressure and temperature fluctuations typical in geothermal systems.
Thermal Stability: PP is known for its good thermal stability, which means that PP compression fittings can handle the temperature variations encountered in geothermal ground loop systems without compromising their integrity.
Chemical Resistance: PP compression fittings exhibit excellent resistance to a wide range of chemicals, making them suitable for use in geothermal systems where various heat exchange fluids may be employed.
Longevity: When properly installed and maintained, PP compression fittings have a long service life, providing reliable performance throughout the lifespan of the geothermal system.
Cost-Effective: PP compression fittings are cost-effective compared to other materials like brass or stainless steel. Their ease of installation also contributes to overall cost savings during geothermal system construction.
Environmentally Friendly: Polypropylene is a recyclable material, making PP compression fittings an environmentally friendly choice for geothermal applications.
Versatility: PP compression fittings are available in various sizes and configurations, allowing for flexibility in designing and adapting geothermal ground loop systems to different project requirements.

How do you ensure proper sizing and compatibility between PP Compression Fitting and the HDPE pipes?
Ensuring proper sizing and compatibility between PP compression fittings and HDPE pipes is crucial for a successful and reliable geothermal system installation. Here are the steps to ensure a proper fit:
Pipe Material and Size: Verify that both the PP compression fittings and the HDPE pipes are of the same material, which is typically polypropylene for the fittings and high-density polyethylene (HDPE) for the pipes. Additionally, ensure that the fittings and pipes have the same outside diameter (OD) or corresponding nominal size to achieve compatibility.
Manufacturer Specifications: Consult the manufacturer's specifications and technical data sheets for both the PP compression fittings and the HDPE pipes. These documents provide essential information about the compatibility of the products and recommended sizes for different applications.
Pressure Rating: Check the pressure rating of both the PP compression fittings and the HDPE pipes. The fittings must have a pressure rating equal to or greater than that of the pipes to ensure a safe and reliable connection that can withstand the operating conditions of the geothermal system.
Compliance with Standards: Ensure that the PP compression fittings and HDPE pipes meet the relevant industry standards and certifications for geothermal applications. Compliance with standards indicates that the products have undergone rigorous testing and meet performance requirements.
Use of Proper Adapters: In some cases, there may be a need to use adapters or transition fittings to connect PP compression fittings and HDPE pipes of different sizes or materials. Ensure that these adapters are appropriate for the intended application and meet the necessary standards.
Fitting Type: PP compression fittings come in various types, such as couplings, tees, elbows, reducers, and end caps. Select the appropriate fitting type for the specific connection you need in your geothermal system design.
Proper Installation: Follow the manufacturer's guidelines and instructions for the proper installation of the PP compression fittings on the HDPE pipes. Incorrect installation can lead to leaks and joint failures.
Testing: After installation, perform pressure testing on the system to check for any leaks or weaknesses in the connections. This testing helps ensure that the PP compression fittings and HDPE pipes are compatible and form a reliable joint.
Expert Consultation: If you are unsure about the compatibility or proper sizing of the fittings and pipes, consider consulting with geothermal system experts or professionals who are experienced in working with PP compression fittings and HDPE pipes.