Hi everyone - thanks for answering my previous questions and for checking out today's as well.
I have three projects all connected to the same central fire pump assembly. It's a huge network of pipe running for miles.
The client is having a problem with the fluctuating pressure (up and down) on the network for some reason that affects the fire pump's suction pressure. It's in series, and connected to each project.
The client refuses to add a break tank and cut the fluctuation.
In your experience, is there any alternative solution available?
Would a pressure relief valve help? What would happen when the pressure is less than design?
Thanks in advance!
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4/14/2023 08:15:52 am
With the mention of a break tank, I presume the water source is municipal? How wildly are the pressures at the intake flange fluctuating?
4/14/2023 08:40:14 am
If your water supply pressure is dropping below the point where the fire pump discharge is no longer able to provide the required system demands then that is a pretty big problem.
4/14/2023 12:03:56 pm
I think you are spreaking about a Pressure Relief Valve (PRV) not a Pressure Reducing Valve.
4/14/2023 08:50:44 am
Trying to understand the setup...
4/14/2023 11:57:07 am
Check out the Zurn low suction control valve, copied the text below for you. If you are having mostly low suction issues, this may solve it. I'm personally leery about restricting flow to a fire protection supply, but it might be the trick you need.
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