Z = (PxL) / 15000
6" Sch 40 at 10-6" 31.69 x 10.5 + 250 = 582.745 L = 4 Z = (582.745 x 4 )/15000 Z= .16 Jerry Van Kolken _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
