I saw a slow to ITC case like this, large system and low but steady static city water, that turned out to be the result of gravel in the water supply double check assembly. Allan Seidel St. Louis, MO
On Tue, Apr 28, 2009 at 8:24 PM, Frans Stoop <[email protected]> wrote: > Dear colleagues, > > Our client has a rather large dry pipe system supplied by a Victaulic > dry pipe valve complete with an accelerator. > The system responds to slow to the ITC: more than 3 minutes. > The contents of the system is approx. 1300 gallon. > The air pressure in the system was set lower (in compliance with the > Victaulic installation sheets) than we are used to with dry pipe > valves of other manufacturers. > > The sprinkler contractor and the local Victaulic representative > couldn't find the cause yet. > My personal impression is that the Victaulic mat take much more time > between opening the test valve and water delivery than dry pipe > valves of other brands. > Does anyone share this impression or had the same experience ? If you > prefer, you may react off-forum. > > Frans Stoop > TOS architecture & fire protection > Netherlands <[email protected]> > Tel. +31-24-324 0112 > > _______________________________________________ > 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]<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)
