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Home / News / Industry News / How to perform a water pressure test on Socket Fusion Hdpe Fitting and what is its function?

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How to perform a water pressure test on Socket Fusion Hdpe Fitting and what is its function?

Publish Time: 16 Oct
A water pressure test on  Socket Fusion HDPE fittings is conducted to assess the integrity of the fusion joint and the overall performance of the HDPE piping system. The test involves pressurizing the system with water to a specified level and monitoring for any signs of leaks or pressure drops. Here is a step-by-step guide on how to perform a water pressure test on Socket Fusion HDPE fittings:
Water Pressure Test Procedure:
Prepare the System:
Ensure that the HDPE fittings and pipes are properly installed and the fusion joints have been completed using the socket fusion method.
Verify that the system is free from debris, and all components are securely connected.
Close Valves and Seals:
Close all valves in the system to isolate the section that is going to be tested.
Ensure that any test plugs or seals are in place to contain the pressurized water.
Fill the System with Water:
Gradually fill the isolated section of the HDPE piping system with water. Ensure that the water completely fills the pipes and fittings.
Bleed Air from the System:
Open air vents and bleed valves to allow any trapped air to escape from the system. Ensure that the entire system is filled with water and that there are no air pockets.
Pressurize the System:
Use a water pump or another suitable pressurization method to gradually increase the pressure in the system to the specified test pressure.
The test pressure is typically higher than the maximum operating pressure of the system to ensure that it can withstand unexpected pressure fluctuations.
Monitor Pressure:
Once the system reaches the test pressure, monitor it for a specified duration, often ranging from 1 to 4 hours. During this time, observe the pressure gauge to ensure that it remains stable.
Check for Leaks:
Visually inspect all joints, fittings, and connections for any signs of water leakage. Use a soap solution or another appropriate method to detect small leaks, which will be indicated by the formation of bubbles.
Record Pressure Drop:
If the pressure drops during the test period, it may indicate a leak in the system. Record the pressure drop and investigate the source of the leak.
Address Any Issues:
If leaks are detected, address them by tightening fittings, replacing seals, or addressing any other issues that may be causing the leaks.
Complete Test Documentation:
Document the test results, including the initial pressure, any pressure drop, and any corrective actions taken.
Retain the documentation for reference and compliance with standards or project specifications.

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