15% is good for a tree, 8-10% if it is a grid. Richard M. Carr, SET Project Manager/Design Diboco Fire Sprinklers, Inc. 325 Jackson Loop Road Flat Rock, NC 28731
rich...@diboco.com<mailto:rich...@diboco.com> 828-696-3400 828-696-2288 Fax 828-708-9118 Mobile [cid:image001.jpg@01D5AC13.297D47D0] From: Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org> On Behalf Of Brian Harris via Sprinklerforum Sent: Tuesday, January 28, 2020 2:14 PM To: sprinklerforum@lists.firesprinkler.org Cc: Brian Harris <bhar...@bvssystemsinc.com> Subject: RE: Overhead / Friction Loss I'd like it for Tree & Grid. Brian Harris, CET BVS Systems Inc. bvssytemsinc.com<http://bvssystemsinc.com/> From: Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org<mailto:sprinklerforum-boun...@lists.firesprinkler.org>> On Behalf Of Richard Carr via Sprinklerforum Sent: Tuesday, January 28, 2020 2:11 PM To: sprinklerforum@lists.firesprinkler.org<mailto:sprinklerforum@lists.firesprinkler.org> Cc: Richard Carr <rich...@diboco.com<mailto:rich...@diboco.com>> Subject: RE: Overhead / Friction Loss Is it a grid, tree, or loop? Richard M. Carr, SET Project Manager/Design Diboco Fire Sprinklers, Inc. 325 Jackson Loop Road Flat Rock, NC 28731 rich...@diboco.com<mailto:rich...@diboco.com> 828-696-3400 828-696-2288 Fax 828-708-9118 Mobile [cid:image001.jpg@01D5AC13.297D47D0] From: Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org<mailto:sprinklerforum-boun...@lists.firesprinkler.org>> On Behalf Of Brian Harris via Sprinklerforum Sent: Tuesday, January 28, 2020 2:09 PM To: sprinklerforum@lists.firesprinkler.org<mailto:sprinklerforum@lists.firesprinkler.org> Cc: Brian Harris <bhar...@bvssystemsinc.com<mailto:bhar...@bvssystemsinc.com>> Subject: Overhead / Friction Loss What's a good "ballpark" number to include for pressure loss due to friction when guesstimating system demand? I figure EHP, Elevation, Underground, BFP. Any help would be greatly appreciated. Brian Harris, CET BVS Systems Inc. Design Manager bvssystemsinc.com<http://bvssystemsinc.com/> Phone: 704.896.9989 Fax: 704.896.1935
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