Probably because a lot of the folks hanging pipe aren't necessarily "good fitters" plus you have a lot of maintenance people draining these instead of calling the sprinkler contractor.
Cliff Fire Design, Inc. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ron Greenman Sent: Sunday, May 13, 2007 11:36 AM To: [email protected] Subject: Re: drum drip Now a good fitter, which I'm presuming Garth is, can drain a valved low point, drum drip or not, without setting off the system since he knows that water is non-compressible and draining it off doesn't substantially decrease the volume of the system enough to decompress the air very much (disclaimers about lots of water, small system, doing things too fast, don't try this at home, etc. apply). So why the drum drip to begin with? On 5/13/07, Garth W. Warren <[EMAIL PROTECTED]> wrote: > what is the point of the drum if the top valve is closed? Top valve should > normally be open. > > Garth > a fitter (I didn't train that other guy....) > > ----- Original Message ----- > From: "Ed Vining" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Sunday, May 13, 2007 10:11 AM > Subject: Re: drum drip > > > > I always kept both valves closed, as a valve is a potential leak. > > > > [EMAIL PROTECTED] > > Ed Vining > > 4819 John Muir Rd > > Martinez CA 94553 > > 925-228-8792 > > > > > > > > ----- Original Message ---- > > From: Ron Greenman <[EMAIL PROTECTED]> > > To: [email protected] > > Sent: Sunday, May 13, 2007 7:47:10 AM > > Subject: Re: drum drip > > > > > > Rahe 1--Fitter 0. > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > To Unsubscribe, send an email to:[EMAIL PROTECTED] > > (Put the word unsubscribe in the subject field) > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > -- Ron Greenman at home.... _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
