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Home / News / Industry News / How does socket fusion work, and what are the key steps in the process?

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How does socket fusion work, and what are the key steps in the process?

Publish Time: 29 Dec
Socket fusion hdpe fitting is a method of joining high-density polyethylene (HDPE) pipes and fittings by heating the outside surface of the pipe and the inside surface of the fitting, and then pressing them together to form a strong and leak-proof joint. The process involves several key steps:
Preparation:
Ensure that the pipes and fittings to be joined are clean and free of any dirt, debris, or contaminants.
Check the alignment and size of the pipes and fittings to ensure a proper fit.
Heating:
Use a specialized socket fusion machine or tool to heat the outer surface of the HDPE pipe end and the inner surface of the HDPE fitting socket simultaneously.
The heating tool typically consists of heating plates or dies that are shaped to match the contour of the pipe and fitting.
Temperature Control:
Monitor and control the temperature of the heating tool to ensure that it reaches the correct fusion temperature for the specific HDPE material being used.
The fusion temperature is typically within a specified range based on the material and size of the pipes and fittings.
Heating Time:
Allow the pipe and fitting to be heated for a specified period. The heating time is influenced by factors such as pipe size, wall thickness, and the material's thermal conductivity.
It is important to follow the manufacturer's guidelines for heating time to achieve proper fusion.
End Caps and Clamps:
After the heating period, remove the heating tool and quickly insert the heated end of the pipe into the fitting socket.
Use end caps and clamps to secure the pipe and fitting together during the cooling phase.
Cooling:
Allow the joint to cool and solidify, forming a strong molecular bond between the pipe and fitting.
The cooling time is also critical and should be in accordance with the manufacturer's recommendations to ensure proper fusion.
Cooling Time:
Wait until the joint has completely cooled before handling or putting the pipe system into service.

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