Maximun water velocity in pipes as FM and NFPA
Maximun water velocity in pipes as FM and NFPA
(OP)
I would like to know if there are a maximum velocity in sprinklers systems piping per FM and NFPA.
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Maximun water velocity in pipes as FM and NFPA
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RE: Maximun water velocity in pipes as FM and NFPA
http://www.sprinklernet.org/technical/articles/watervelocity.html
As far as FM, I think they have also removed the velocity requirements. They used to mandate 32 fps in "tree mains", and 20 fps in gridded branch lines. However, I have not had problems in the last 5 years or so when I have exceeded those values.