Does it stipulate anywhere that the air maintenance device needs to be listed? Simple enough to build one with a valve, a spring check, and a regulator.
On Tue, Oct 15, 2013 at 6:09 AM, Joel Chaim <[email protected]>wrote: > Yes. NFPA-22 requires that the air line should be 1" and the air > maintenance devices available are 1/2" > > > On Mon, Oct 14, 2013 at 9:21 PM, Charles Thurston <[email protected] > >wrote: > > > Hello Joel, > > > > Is this for a water filled storage tank to control the air pressurizing > > the tank? > > > > Monday, October 14, 2013, 6:02:27 PM, you wrote: > > > > > Hi, > > > > > > > > > > Anybody here can advise/recommend an air maintenance rated for 150 psi > > > working pressure? > > > > > _______________________________________________ > > > Sprinklerforum mailing list > > > [email protected] > > > > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > > > > > -- > > Best regards, > > Charles mailto:[email protected] > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > > > -- > Regards, > > > Joel Chaim > Active Fire Protection Inc. > Phone: 845-782-7494 > Cell: 845-781-3075 > Fax: 866-903-9949 > _______________________________________________ > 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
