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Electrofusion 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. HDPE electrofusion 90°elbow manufacturers and factory in China. 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 focus on developing high-quality products for top-end markets. Our oem custom HDPE electrofusion 90°elbow are in line with international standards, and are mainly exported to Europe, America, Japan and other destinations around the world.We welcome domestic and foreign customers visit our company for guidance, exchanges and cooperation.

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Product Knowledge

Ensuring a strong, leak-free, and properly bonded electrofusion weld at a HDP Eelectrofusion 90° elbow  system requires careful preparation, proper execution of the electrofusion process, and adherence to industry best practices. Here are steps you can take to achieve a reliable weld:
Proper Preparation:Ensure that both the 90° elbow and the pipes to be connected are clean, smooth, and free from dirt, debris, moisture, or contaminants.Use appropriate cleaning tools and methods to prepare the surfaces before electrofusion.
Compatible Electrofusion Fittings:Verify that the electrofusion fittings, including the 90° elbow, are compatible with the specific HDPE material you are using.
Qualified Personnel:Assign qualified and trained personnel who are experienced in electrofusion welding techniques to perform the weld.
Equipment Inspection:Inspect and ensure that the electrofusion welding equipment, including the fusion machine and electrofusion control unit, are in proper working condition.
Proper Clamping:Use proper clamping mechanisms to hold the pipes and fitting in place during the fusion process.
Alignment and Calibration:Align the pipes and fitting accurately to ensure a uniform weld. Incorrect alignment can result in weak spots and leaks.Some electrofusion control units have calibration settings to compensate for variables like ambient temperature.
Proper Electrofusion Welding Process:Monitor the fusion process closely, ensuring that the welding parameters are maintained consistently.
Cooling Period:Allow the welded joint to cool for the specified cooling time after the fusion process is completed. Cooling time is essential for the weld to solidify.
Visual Inspection:Visually inspect the weld area to ensure that the fusion bead is uniform and without gaps, voids, or visible defects.
Non-Destructive Testing (NDT):Consider performing non-destructive testing methods such as ultrasonic testing to further ensure the quality and integrity of the weld.
Pressure Testing:Conduct pressure testing on the welded joint to verify its leak resistance before putting it into service.
Record Keeping:Maintain accurate records of the electrofusion welding parameters, cooling times, and inspection results for quality control and future reference.
Training and Certification:Ensure that personnel performing electrofusion welding are trained, certified, and familiar with the specific electrofusion equipment and techniques.
By following these steps and ensuring meticulous attention to detail, you can increase the likelihood of achieving a strong, leak-free, and properly bonded electrofusion weld at the 90° elbow in your HDPE piping system.