Matt- I've been told that the pressure loss from static is the amount of force that it takes to open the clappers.
On Aug 13, 2026, Matt Grise <[email protected]> wrote: >do backflow preventers typically reduce static pressure? The charts >provided with BFP's do show a loss at 0gpm, but is loss the same when >flow >is increasing and decreasing? I usually apply the pressure loss from a >BFP >at a flowing condition, so I'm not sure how they affect static >condition. > >Anyone know? > >Thanks! > >Matt Grise > > >------------------------------------------------------------------------ > > >_________________________________________________________ >SprinklerForum mailing list: >https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org >To unsubscribe send an email to >[email protected]
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