it is so that pumping will not flood the system if the valve is not tripped and so that closing of the control valve will not render the FDC unusable..
Garth ----- Original Message ----- From: "A.P.Silva" <[email protected]> To: <[email protected]> Sent: Monday, May 18, 2009 7:21 PM Subject: FDC for Dry Pipe Systems > The FDC is required to be connected between the main control valve and the > dry pipe valve. I'v always thought this might be due to possible air leak > from the FDC check valve, if it's connected on the dry side, downstream of > the dry pipe valve. Is this the reason? > > For a project having a single dry system, the contractor has connected the > FDC downstream of the DPV. The system seems to be holding. Any comments? > > Tony > > _______________________________________________ > Sprinklerforum mailing list > http://lists.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 http://lists.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)
