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  1. sebestie

    Difference PRV Opening Pressure On Test Bench and in Line

    Thanks for answering my question. I forgot to mention that the gauge in the field was calibrated. I wrote to the manufacturer of the valve. He answered a that "the pressure relief valve is preset only with water. Air is prohibited to adjust valves. The priming and depriming of the loading...
  2. sebestie

    Difference PRV Opening Pressure On Test Bench and in Line

    Hi I am Commissioning Engineer on a Gas Plant Project. A piloted PRV is installed at the discharge of a firewater diesel pump. We tested the PRV (equipped with a pilot) on a certified test bench with air so that the opening pressure was set to 13.7 barg as specified in the PRV's datasheet...

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