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  • Users: Wilg10
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  1. Wilg10

    Pressure from Thermal Expansion

    Hi, I am looking at a pipe (Contents are fuel oil) with a design pressure of 5 bar, the pipe also has a thermal relief valve set at 19 bar. I need to re-rate the pipe, can I use the fact that the thermal relief valve has lifted in lieu of a hydrotest ?, if the thermal relief has lifted is the...

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