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...
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...