I think we need a picture. On Sat, Dec 5, 2009 at 12:03 PM, steve <[email protected]> wrote: > Check that; it's a low suction sensing and the the primary pressure sensing > line? Disregard my earlier comment. > > Steve. > > > Sent from my Verizon Wireless BlackBerry > > -----Original Message----- > From: "Forest Wilson" <[email protected]> > Date: Sat, 5 Dec 2009 11:51:05 > To: <[email protected]> > Subject: RE: pump sensing line > > Yes, Tom. > It is a low suction sensing line, installed on the system side of the > backflow. > I thought they should be installed city/ supply side, apparently I am > incorrect. > I thought the sensing line would not be effective on the system side, > because you could have the city main shut down and still show pressure on > the system side of the backflow. > -----Original Message----- > From: [email protected] > [mailto:[email protected] > <mailto:[email protected]> ] On Behalf Of Tom Duross > Sent: Saturday, December 05, 2009 2:49 PM > To: [email protected] > Subject: RE: pump sensing line > So you're saying the sensing line is on the pump suction from the backflow? > And you were originally asking if it should be on the backflow supply from > the street? > Tom > > The backflow is installed on the supply side of the pump, city side. > The sensing line is installed system side of backflow. > > I'm surprised that the BFP was allowed on the system side of the pump > at all but since the sensing line is for pressure drop in the system > having it there (and allowing it as Tom says from the TIAs) makes > sense. >> >> I saw a pump recently with the sensing line installed on the system side > of >> the backflow. >> What is the reason for installing on the system, rather than the city side >> of the backflow? >> Am I correct that it should be on the city side? >> >> Forest Wilson > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > <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) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > <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) > > __________ Information from ESET NOD32 Antivirus, version of virus signature > database 4662 (20091205)__________ > The message was checked by ESET NOD32 Antivirus. > http://www.eset.com <http://www.eset.com> > > _______________________________________________ > 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 Bates Technical College Tacoma, WA Member: SFPE, ASCET, NFPA, AFSA, NFSA AFAA, WSAFM _______________________________________________ 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)
