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Butt Fusion Hdpe 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 Butt Fusion HDPE Fittings 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

Does Butt Fusion create a seamless, leak-free joint with excellent chemical resistance making it ideal for transferring fluids or gases?
Absolutely! Butt Fusion HDpe Fitting is known for creating strong and leak-free joints, particularly in High-Density Polyethylene (HDPE) piping systems. Here are some key reasons why Butt Fusion is considered ideal for conveying fluids or gases:
Leak-Free Joints: When the two HDPE components are heated and pressed together during Butt Fusion, the material melts and fuses into a single homogenous piece. This fusion creates a seamless and leak-free joint, eliminating the risk of leakage that might occur with other types of mechanical joints.
Chemical Resistance: HDPE is known for its exceptional chemical resistance. Butt Fusion further enhances this property as there are no additional materials or sealants involved in the joint, reducing the risk of chemical reactions or degradation over time.
High Strength and Durability: Butt Fusion joints are strong and have the same material properties as the original HDPE pipes or fittings. They can withstand a wide range of environmental and operational conditions, ensuring long-term reliability and durability.
Smooth Interior Surface: Butt Fusion joints result in a smooth interior surface without any protrusions or crevices. This smoothness minimizes flow disruptions, reduces pressure losses, and prevents sediment buildup, making it suitable for conveying fluids efficiently.
Resistance to Corrosion and Abrasion: HDPE, as a material, is highly resistant to corrosion and abrasion. The Butt Fusion process maintains these properties at the joint, making it suitable for conveying various fluids and gases without the risk of deterioration over time.
Flexibility and Impact Resistance: HDPE and Butt Fusion joints have natural flexibility and excellent impact resistance, making them ideal for applications where the piping system might be exposed to ground movements or seismic events.
Ease of Installation: Butt Fusion welding is relatively straightforward and can be performed using compact and portable equipment. This ease of installation can lead to cost savings and reduced installation time.
Due to these characteristics, Butt Fusion is commonly used in water distribution systems, natural gas pipelines, industrial applications, and agricultural irrigation systems. Its ability to create robust, leak-free joints with excellent chemical resistance and durability makes it a preferred choice for conveying various fluids and gases in both above-ground and buried applications.
What is Butt Fusion and how does it work with HDPE fittings?

Butt Fusion HDpe Fitting  is a welding process used to join two pieces of High-Density Polyethylene (HDPE) pipes or fittings together. It is a widely used method for creating leak-proof, durable, and strong connections in HDPE piping systems. Butt Fusion is particularly common in water supply, gas distribution, irrigation, and industrial applications.
Here's how the Butt Fusion process works with HDPE fittings:
Preparation: First, the ends of the HDPE pipes or fittings to be joined are cut cleanly and squared off to ensure they have smooth, flat surfaces. Proper preparation is essential for achieving a strong and reliable fusion.
Heating: The prepared ends of the HDPE pipes or fittings are then placed in a Butt Fusion welding machine, which contains a heating plate or heating element. The heating plate heats the surfaces of the HDPE pieces uniformly to a specific temperature suitable for the fusion process.
Heating and Cooling Time: The time required for heating and cooling depends on the pipe/fittings' thickness and size. Typically, the heating process takes a few minutes, during which the HDPE ends reach the fusion temperature.
Joining: Once the HDPE ends reach the proper fusion temperature, they are removed from the heating plate and quickly brought together. The hot ends are then pressed against each other with controlled force and aligned correctly. This creates a bead of melted HDPE material along the joint.
Cooling and Solidification: After the two heated ends are pressed together, the joint is allowed to cool and solidify under controlled pressure. This process fuses the HDPE molecules together, creating a homogenous and continuous joint that is as strong as the surrounding material.
Cooling and Inspection: The joint is allowed to cool and set for a sufficient amount of time, ensuring that the fusion is complete. Once cooled, the joint is visually inspected for any irregularities or defects that may compromise the integrity of the connection.