Thanks Mike and Mike. The question was asked on a fitters forum I started some years ago. I asked for more info but still have not received a response. The question had me scratching my head . Not our typical riser material.
I thought I was drilling 80 one time until we discovered a stainless steel bearing embedded in the pipe wall was eating up the hole saws. On Thu, Sep 19, 2013 at 2:02 PM, Mike Cabral <[email protected]>wrote: > Can you use a pressure switch to detect a drop in pressure rather than a > vain type flow switch? If there is a jockey pump and therefore a steady > system pressure you should be able to detect the pressure drop from static > pressure to residual pressure. > > Potter makes a pressure switch with a pneumatic retard device that could > also compensate for some short term pressure variations. > > Mike C > > Sent from my iPhone > > On Sep 19, 2013, at 10:07 AM, Mike Henke <[email protected]> wrote: > > > Thomas, > > > > I do not believe that anyone makes a flowswitch for schedule 80 pipe > that is Listed for use on fire sprinkler systems. Can you replace a spool > piece with schedule 40 pipe? > > > > Before anyone suggests, no you cannot just trim the paddle of a standard > flowswitch. > > > > What type of facility is it that is using sched 80? > > > > Regards, > > > > mike > > > > Mike Henke CET > > Sprinkler Product Manager > > Potter Electric Signal Co. > > www.pottersignal.com > > 314-595-6740 Direct > > > > > > -----Original Message----- > > From: [email protected] [mailto: > [email protected]] On Behalf Of Thomas Watt > > Sent: Thursday, September 19, 2013 9:24 AM > > To: [email protected] > > Subject: Flow switch for 6" sch80 > > > > Can't seem to find it. Anyone? > > _______________________________________________ > > 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
