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Changshu smooth plastic products factory talk about PE plastic pipe pressure test
by：CSSSLD
2021-02-03
PE plastic tubing before put into operation for pressure test, stress test including strength test and water tightness test content of two tests.
Changshu below smooth plastic products factory talk about PE plastic pipe pressure test!
when testing generally recommend using water as the test medium. After rule out test of the air inside the pipeline, at a steady speed booster pressure value to increase the pressure to the specified requirements, the placement of pressure gauge as far as possible in the test section of the lowest place, stress tests can be before or after the plastic tubing pipeline backfill, pipeline turns the soil at regular intervals, especially for crawling pipeline, pressure test PE plastic pipe shall be fixed in place. Open flange connection parts let its exposure to check for leaks.
pressure test in the test pressure shall not exceed the HDPE plastic tubing pressure level or a minimum pressure in the system level parts level 1. 5 times, in the beginning should be test pressure value of the pressure rise to enough time and stay for PE plastic pipe full expansion, a process that requires 2 - After 3 hours, when the system is stable, the pressure rise to work pressure of 1. 5 times and hold pressure for 1 hour, and then carefully observed pressure gauge, and along the tour, if the test in the process of PE plastic pipe leakage or is not visible to the naked eye obvious pressure drop, the PE plastic tubing through the pressure test.
when testing generally recommend using water as the test medium. After rule out test of the air inside the pipeline, at a steady speed booster pressure value to increase the pressure to the specified requirements, the placement of pressure gauge as far as possible in the test section of the lowest place, stress tests can be before or after the plastic tubing pipeline backfill, pipeline turns the soil at regular intervals, especially for crawling pipeline, pressure test PE plastic pipe shall be fixed in place. Open flange connection parts let its exposure to check for leaks.
pressure test in the test pressure shall not exceed the HDPE plastic tubing pressure level or a minimum pressure in the system level parts level 1. 5 times, in the beginning should be test pressure value of the pressure rise to enough time and stay for PE plastic pipe full expansion, a process that requires 2 - After 3 hours, when the system is stable, the pressure rise to work pressure of 1. 5 times and hold pressure for 1 hour, and then carefully observed pressure gauge, and along the tour, if the test in the process of PE plastic pipe leakage or is not visible to the naked eye obvious pressure drop, the PE plastic tubing through the pressure test.
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