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What is a hydraulic test for pipelines?

2021-02-05View Original

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A drain line at the pump outlet, with a design pressure of 5.9 MPa; according to standard 3501 requirements, the pressure during hydrostatic testing must reach 8.85 MPa, while the pressure for airtightness testing should be 5.9 MPa. A DN40 pipe, also a drain line, with an operating pressure of 0.02 MPa. It’s such a big difference – is it really necessary? Why is this happening? ! ! (What does this 6J2P mean?) A beginner in the chemical industry seeking help! ! )

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