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  1. 1954KC

    Water Flowing Methods

    Tom Thank you for the prompt reply. There are 2 units one electric and the other diesel. The Electric has a casing RV of 3/4 inch, the diesel does not. The rating is 120 psi 450USGPM. The shut off pressure is 130 psi If necessary we can fit a PRV off each pump discharge line before the...
  2. 1954KC

    Water Flowing Methods

    I have recently been advised to approve a Fire Water Pump system that includes a Pressure Control Valve in the discharge line. I have been told that this Pressure Control Valve serves the purpose of maintaining a constant maximum pressure by discharging water pressure over a set limit back...

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