If you are doing a forward flow test of a backflow, why not hook the outlet up to a Hose Monster? Am I missing something?
As far as the K factor, go with what Steve said. At 12:02 PM 4/5/2012, you wrote: >Forward flow testing for a BFP > >So I guess what I'm looking for is a performance K factor. > > > >At 11:56 AM 4/5/2012, you wrote: >>Um, Ron? According to that chart a 2.5" angle valve will flow 9.9gpm at >>100psi. I don't think that's quite in accordance with HW. >> >>If you are flowing 250 through the valve at 100psi, it has a K of 25.0, no? >>But they can flow more ... K at 350gpm/100psi would be 35 ... What are you >>trying to do? >> >>Steve >> >> >> >>-----Original Message----- >>From: [email protected] >>[mailto:[email protected]] On Behalf Of Ron Greenman >>Sent: Thursday, April 05, 2012 8:49 AM >>To: [email protected] >>Subject: Re: k -- WHAT? >> >>http://www.westerndynamics.com/Download/friclossfittings.pdf >> >>On Thu, Apr 5, 2012 at 8:46 AM, Seidl Jamie D. <[email protected]> wrote: >> >>> Are you looking for friction loss through a valve, or are you looking >>> to flow a certain amount of water at a certain pressure? >>> >>> -----Original Message----- >>> From: [email protected] [mailto: >>> > [email protected]] On Behalf Of Vince Sabolik >>> Sent: Thursday, April 05, 2012 11:45 AM >>> To: [email protected] >>> Subject: k -- WHAT? >>> >>> Good morning -- >>> >>> Anyone have an approximate K value for a 2½" hose valve? >>> >>> >>> >>> >>> Vince Sabolik, West Tech Fire Protection, Inc. >>> 11351 Pearl Road / Strongsville, Ohio >>> 44136 440 238-4800 Fax 440 238-4876 >>> ____________________________________________________________________ >>> >>> >>> -------------- next part -------------- An HTML attachment was >>> scrubbed... >>> URL: < >>> http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attac >>> hments/20120405/bddfbfe1/attachment.html >>> > >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >>> >> >> >> >>-- >>Ron Greenman >>Instructor >>Fire Protection Engineering Technology >>Bates Technical College >>1101 So. Yakima Ave. >>Tacoma, WA 98405 >> >>[email protected] >> >>http://www.bates.ctc.edu/fireprotection/ >> >>253.680.7346 >>253.576.9700 (cell) >> >>Member: >>ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC >> >>They are happy men whose natures sort with their vocations. -Francis Bacon, >>essayist, philosopher, and statesman (1561-1626) >>-------------- next part -------------- >>An HTML attachment was scrubbed... >>URL: >><http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120405/48e6124f/attachment.html> >>_______________________________________________ >>Sprinklerforum mailing list >>[email protected] >>http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >>_______________________________________________ >>Sprinklerforum mailing list >>[email protected] >>http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > >Vince Sabolik, West Tech Fire Protection, Inc. >11351 Pearl Road / Strongsville, Ohio 44136 440 238-4800 Fax 440 >238-4876 >____________________________________________________________________ > > >-------------- next part -------------- >An HTML attachment was scrubbed... >URL: ><http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120405/f8fc3614/attachment.html> >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum Todd G. Williams, PE Fire Protection Design/Consulting Stonington, CT 860.535.2080 www.fpdc.com _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
