Look close. I don't have a reference for you. I don't even know if it's codified in NFPA, but I know best practice is to reverse that rule for normally closed valves. I also know Victaulic has a butterfly that initiates a signal when the valve is opened two turns for just such an application.
On Wed, Sep 25, 2013 at 5:20 PM, Dwight Havens <[email protected]>wrote: > Even better question, since the switches used to electronically supervise > sprinkler control valves have to operate within two turns of the fully open > position, does electronically monitoring a normally closed valve do > anything for yo, because it only operates just before the valve is fully > open? > > Dwight > > > > > ________________________________ > From: "Kramer Design, LLC" <[email protected]> > To: [email protected] > Sent: Wednesday, September 25, 2013 2:04 PM > Subject: RE: Full Forward Flow Test Control Valves > > > Next questions: does it have to be 'listed' or just 'approved'? Does it > have to be 'slow-close'? > > Ed Kramer > Lawrence, KS > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Steve > Leyton > Sent: Wednesday, September 25, 2013 12:44 PM > To: [email protected]; > [email protected] > Subject: RE: Full Forward Flow Test Control Valves > > No. > > The building code requires, "All valves controlling the water supply ... > " for automatic sprinkler systems, pumps, tanks, etc. be supervised. A > test valve is not a fire protection water supply control valve. > > > Steve Leyton > > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Greg > McGahan > Sent: Wednesday, September 25, 2013 10:34 AM > To: [email protected] > Subject: Full Forward Flow Test Control Valves > > Without going back through the rest of the mile long thread....... > > IF there is a control valve in the normally closed position for Full > Forward > Flow Testing, is it REQUIRED to be monitored? > > Thanks, > > -- > Greg McGahan > Living Water Fire Protection, LLC <http://www.livingwaterfp.com> > 1160 McKenzie Road > Cantonment, FL 32533 > 850-937-1850 > fax 850-937-1852 > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler > .org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > -- Ron Greenman Instructor Fire Protection Engineering Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 [email protected] http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
