Jay Could the system have a lot of air in it? In larger system that have no way of venting air when filling them the clappers in alarm valve or in you case the flow switch may be come intermittent.
David Canham Fire Systems Solutions Sent from my iPad On Feb 20, 2013, at 6:55 AM, Jay Stough <jaycs7...@yahoo.com> wrote: > We have a wet system that is having problems with the flow switch. The flow > switch would send a signal and then stop and then send another signal. This > would be happening intermittently. We figured the flow switch diaphram was > bad and then replaced the flow switch with the same results. The main drain > test is 60 psi with 50 psi residual. The inspector's test was a globe valve > that would flow water intermittantly; so we changed it to a ball valve. It > flows water continuously now with the same problem with the flow switch. We > checked the vane on the flow switch and the pipe is clean, so it's not > hanging up at the riser. Any suggestions? > > > > Jay Stough > Tilley fire Equipment Co. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20130220/d61c272e/attachment.html> > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
