Thanks guys. John
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ed Kramer Sent: Monday, April 30, 2007 4:36 PM To: [email protected] Subject: RE: Ames RPZ BFP Many, many times. It's always been the same manufacturer. To their credit, they've been pretty good about supplying checks with weaker springs, as Tom mentioned. Have the owner/contractor contact the local rep. Ed Kramer Littlton, CO > > >During waterflow alarm testing on a Wet Pipe NFPA-13 System I witnessed >a phenomena wherein the vane type waterflow switch fluctuated back in >forth appx every 10 seconds making it impossible to set a 30 second >retard. Supply Pressure is 60 psi static, 55 psi Residual at 2" Main >Drain Test. The WF Switch is mounted horizontally in a straight length >of 6" Sch 10 48" from closest change in direction. Inspectors test is >located downstream end of a branch line 1/2" orifice in place. > >The sprinkler contractor suspects theres a problem with this particular >BFP. Anyone had a similar problem. > >Thanks > >John Drucker >Fire Protection Subcode Official (AHJ) >New Jersey _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
