The steel pipe and fittings we use are rated (not listed 'cause they don't need to be) at 150 psi WOG. WOG is water, oil, gas. The 150 is for gas and the fluid rating is twice that (300 psi) which is why we can use the same old pipe in those systems where we need 250 psi listed sprinkler components.
On Thu, Nov 11, 2010 at 2:29 PM, Thom <[email protected]> wrote: > I personally would not worry about the heads, not being rated for the 215# > As stated below the 200 Psi is the minimum test pressure or as 13 says "or > 50# over operating pressure" so test it to 265# for 2hours and sleep well. > 175# is operating pressure and your operating pressure is 50Psi air most of > the time. True if the system trips your operating pressure is then 215#, but > it will not be a sustained pressure, as they will drain and reset the > system, and no way will it exceed the test pressure of 265. > > > > > > > > Even still 215 is not that big of a deal since you'd be testing at 200 psi > minimumCraig Prahl > CH2MHILL/SPB > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > -- 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: AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
