There is more to a calc than just pressure. Flow is also part. Why do you think we are required to pick the sprinkler closer to the main on a tree calc? R/ Matt On Aug 11, 2014 7:23 AM, "Duane Johnson" <[email protected]> wrote:
> No, no, no. As long as you are increasing the ID along the primary path, > you are not making the calc more demanding. Increasing the ID reduces the > friction loss per ft. and reduces the overall required pressure of the > system. > > Duane > > -----Original Message----- > From: Sprinklerforum [mailto: > [email protected]] On Behalf Of Matthew > Willis > Sent: Friday, August 08, 2014 7:54 PM > To: [email protected] > Subject: Re: copper pipe vs CPVC > > Especially since the I.D. like you said is larger. This often = more > demanding. Bigger is not always better. > > R/ > Matt > > > On Fri, Aug 8, 2014 at 4:40 PM, Brad Casterline <[email protected]> > wrote: > > > It just occurred to me though Douglas (on a smoke break as usual) I > > would be worried that the existing pipe size is per code, so I would > > calc it anyway. > > > > -----Original Message----- > > From: Brad Casterline [mailto:[email protected]] > > Sent: Friday, August 08, 2014 3:30 PM > > To: [email protected] > > Subject: RE: copper pipe vs CPVC > > > > Both C=150 and the best part is it looks like the I.D of CPVC is > > bigger than type K,L, and M copper. > > > > Brad > > > > -----Original Message----- > > From: Douglas Hicks [mailto:[email protected]] > > Sent: Friday, August 08, 2014 1:41 PM > > To: [email protected] > > Subject: copper pipe vs CPVC > > > > One of our group homes has leaking copper pipe. The owner told me > > their experience is to replace the copper with CPVC. I like that, > > faster and easier for us. But, do I need to get the system > > re-engineered when changing to CPVC? Can I just replace size for like > > size? > > > > The system is 20+ years old so I am going to propose new sprinklers. > > Besides, some of the heads are corroded and some have paint on them. > > We will also provide a means to test the antifreeze, at present there > > is no way to test the solution. > > > > I am going to exclude sheet rock and painting from the job. > > > > Douglas Hicks > > General Fire Equipment Co of Eastern Oregon, Inc > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > > er.org > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > > er.org > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > > er.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
