Hello George, I am on vacation from October 17th until October 27th. Your message is important to me and I will reply as I catch up. IF this is something that can NOT wait until then Please send your email to [EMAIL PROTECTED]
Friday, October 24, 2008, 4:09:17 PM, you wrote: >>From Denise at hydro flow: > Here are the pitot formula and coefficients for all sizes of the Hose > Monsters and Nozzle Inserts. > Q = 29.83 * √P * D2 * Coefficient > Where Q = flow rate in GPM, P = pitot pressure, D = nozzle diameter > Product Coefficient > Nozzle Insert 1 1/8” 0.99 > Nozzle Insert 1 ¾” 0.975 > Hose Monster 2 ½” 0.906 > The 4” and 4 ½” Hose Monsters actually use a different formula > because they are not using a pitot, but these numbers work for the above > pitot formula. > Product Coefficient > Hose Monster 4” 0.71159 > Hose Monster 4 ½” 0.54816 > The Pitotless Nozzles are different also. > Links to flow charts for low, "normal" and high pressures: > http://www.hosemonster.com/downloads/FCHM2H.pdf > http://www.hosemonster.com/downloads/FCHM2HLP.pdf > http://www.hosemonster.com/downloads/FCHM2HHP.pdf > * * * * > Obviously, the chart is pretty darn convenient when you're in the field; > rather than use a calculator when I've gone out without the chart, I just > use my cel to call the office and ask someone for the GPM for my pitot > pressure. > Saw the pitotless nozzles last week at AFSA- pretty neat. They've come a > long way! > TGIF > glc > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:sprinklerforum- > [EMAIL PROTECTED] On Behalf Of Todd Williams - FPDC > Sent: Friday, October 24, 2008 2:35 PM > To: [email protected] > Subject: Re: Pitot Chart > Dennis, > Why would the pitot have a chart? Is this actually a diffuser or > nozzle with a built-in pitot? > What I did with my Hose Monster was to use the chart and calc > backwards to come up with the K factor, then I wrote it on the HM > with a permanent marker. That way, if I lose the chart, oh well. > At 02:10 PM 10/24/2008, you wrote: >>I have a "Sierra" brand Pitot I bought circa 1990 and my Fitter >>lost the chart yesterday while doing a flow test. I think it is the >>very similar to the one listed in the Potter Roemer catalogue. I was >>hoping someone could email or fax me a copy? Hate to buy a new one >>over the chart. Thanks in advance. >>Fax 541 245 0498 >>Phone 245 0466 > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: [EMAIL PROTECTED] > To Unsubscribe, send an email to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) -- Best regards, Charles Thurston mailto:[EMAIL PROTECTED] Coastal Fire Protection _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [EMAIL PROTECTED] To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
