Mis-type, the increase in gallons is about 1.5, the reduced starting pressure is 5.25 psi.
Wrong keys, seems to be a theme for me this week. -- PARSLEY CONSULTING Ken Wagoner, SET 760.745.6181 voice 760.745.0537 fax [email protected] <mailto:[email protected]> e-mail www.ParsleyConsulting.com <http://www.ParsleyConsulting.com> website ParsleyConsulting wrote: > My first thought when I read this was "What?" > > Then I grabbed the calculator. Sure enough, at 196 sqft spacing, > requiring 19.6 gpm.... > > Using a 5.6 k-factor sprinkler the starting pressure is 12.25 psi, > roughly, giving you 19.6 gpm > > Using an 8.0 k-factor sprinkler the starting pressure has to be at least > 7.0 psi, giving you 21.16 gpm. > > Slightly higher flow, with about 1.5 psi reduced starting pressure. > Wonder how big an RA you have to get to before the increased flow starts > to take it's toll. > > Food for thought, Thom, and thanks! > _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.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)
