There's also a master pressure reducing valve assembly (contains 2 primary PRV's, a smaller PRV to account for lower sprinkler testing flows, a by-pass etc etc) for controlling a larger portion of the building and triggered by having more than 2 hose connections downstream of the BFP.
Roland Roland Huggins, PE - VP Engineering American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives Dallas, TX http://www.firesprinkler.org On Jun 3, 2013, at 10:32 AM, Sean Roberts <[email protected]> wrote: > NFPA 14 allow to control separate zones with a pressure reducing valve > > Thank you, _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
