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Hydraulic test is an indispensable link in the production process of steel pipes. Its function is to test the anti-leakage performance of the steel pipe under standard test pressure and stable voltage time. Like radiographic, ultrasonic and other flaw detection techniques, it is an important means of inspecting the overall quality of steel pipes.
Hydrostatic test refers to a test in which the pipe is filled with water and tested under pressure to maintain the specified pressure without leakage or rupture. Its operation includes three steps of flushing, pressure test and water control.
Key points of later technical operation:
1. Parameter setting: Set the test pressure value and voltage stabilization time according to the specifications, steel type, and thread type of the tested pipeline;
2. Perform a full-length hydrostatic pressure test on each pipe. The actual test pressure and minimum voltage stabilization time must comply with the regulations of the process card (sometimes the voltage stabilization time is appropriately adjusted according to the quality of raw materials);
3. During the pressure test, check at any time whether the seal is intact and leaks;
4. The control range of pipeline test pressure is: ≥standard hydraulic test pressure.
For more information, please visit: https://www.nan-steel.com/
Article source: https://article-realm.com/article/Internet-Business/Security/14125-How-is-the-hydraulic-test-of-the-steel-pipe-done.html
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