In Puget Sound area it’s rare to find a dry hydrant with individually gated ports that isn’t as old as me.
I’m curious to hear why it is necessary to calculate friction loss through the hydrant. Best. Bruce V. > On 04/26/2021 6:00 PM Steve Leyton via Sprinklerforum > <sprinklerforum@lists.firesprinkler.org> wrote: > > > Wet barrel hydrants have a messy valve assembly at each port. Dry barrels > are simple - water floods the barrel and exits any open port(s). I'm just > trying to be sure of whether there is any unusually high loss in the barrel > when flowing and while I'm at it, would like to verify the difference between > one port flowing and two or three. We need 20 PSI at the discharge side of > the port, so would like to include a fixed loss or just start the model at 23 > or 24 psi or whatever is required to address the loss in the hydrant. > > SL > > -----Original Message----- > From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] > On Behalf Of Bob Caputo via Sprinklerforum > Sent: Monday, April 26, 2021 2:48 PM > To: sprinklerforum@lists.firesprinkler.org > Cc: Bob Caputo <bcap...@firesprinkler.org> > Subject: Re: Hydrant barrel loss > > Sincerely you’re measuring the flow and pressure at the hydrant in the first > place, why would you need to know that? Just curious... > > Reverse engineering the water supply in the water main below? > > > On Mon, Apr 26, 2021 at 3:57 PM Steve Leyton via Sprinklerforum < > sprinklerforum@lists.firesprinkler.org> wrote: > > > Does anyone have any tech data or knowledge of the pressure loss > > within a wet-barrel hydrant? I've tried to reach Mueller/Jones but > > their customer service isn't answering. > > > > > > Protection Design and Consulting > > Steve Leyton, President > > T | 619.255.8964 x 102 | www.protectiondesign.com< > > http://www.protectiondesign.com/> > > 2851 Camino Del Rio South | Suite 210 | San Diego, CA 92108 Fire > > Protection System Design | Consulting | Planning | Training > > > > > > _______________________________________________ > > Sprinklerforum mailing list > > Sprinklerforum@lists.firesprinkler.org > > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > > er.org > > > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
