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Questions regarding acetylene pipeline valves and pressure testing

2019-04-02View Original

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Recently, I came across several specifications for acetylene, which state that when the operating pressure of acetylene ranges from 0.15 MPa to 2.5 MPa, the nominal pressure of the valves and accessories used must be at least 25 MPa. Additionally, these components are required to undergo a hydraulic test at 30 MPa and an airtightness test at 3.5 MPa. Why is this pressure level so high?

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