RE: FP Suction Control Valve

2021-07-27 Thread Matt Grise via Sprinklerforum
If you are exceeding 877gpm, the building is probably already gone - or some burst pipe is taking up all of the water anyway. At that point, torching your diesel motor is probably going to be a lesser concern. Best case scenario is that someone drove their car into a standpipe, and a busted 4" i

RE: FP Suction Control Valve

2021-07-27 Thread Tom Duross via Sprinklerforum
I should have rambled a little more.. 750 gpm pump runs down to 20 PSI at 877 gpm (117%). Worried should water demand exceed that and cavitate the main and loose cooling water to the engine. Then we loose the pump house and the buildings. Residential areas are compartmentized so not as much wor

RE: FP Suction Control Valve

2021-07-27 Thread Matt Grise via Sprinklerforum
Why are you wanting to install the suction control valve? Was it requested by the FD or water supplier? I would be concerned about removing the PRV without knowing all about what is downstream. It would be just your luck that some contractor got a variance to build the mains out of pool-noodle

FP Suction Control Valve

2021-07-27 Thread Tom Duross via Sprinklerforum
Good morning Campers. Looking for advice and comments. I have an existing diesel driven fire pump in a prefabricated pump house installed in 2012 serving 2 apartment buildings. I first tested this pump in 2017, had 13 hours on it, ran fine but we ran out of water at just about 100% capacity. Sp