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When are pressure relief valves required for fire pumps, and what is their intended purpose? There's a wide variety of pump arrangements and many don't include pressure relief valves.
Posted anonymously by a member for discussion. Discuss this here.
3 Comments
MHK
10/29/2018 02:48:52 am
I think that one of the cases where a pressure relief valve is required is a fire pump system with a diesel engine driven fire pump. If a total of 121% of the diesel pump shutoff pressure plus maximum static pressure exceeds the system rating pressure, a pressure relief valve shall be provided.
WESLEY
10/29/2018 06:29:30 am
Agree with MHK from NFPA 20 (2013 Edition 4.18.1.2).
Ed
10/30/2018 03:29:03 pm
Good topic, I was confused because I was blurring pressure relief and pressure reducing. Seams clear now. Leave a Reply. |
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