Posted 11/19/2012 19:40 (#2706361 - in reply to #2706295) Subject: RE: NH3 hose broke
Bethany, MO
Not a pressure valve as much as an excess flow valve. New 1 1/4" liquid out valves are usually rated 45-60 gpm. If it was pinched where it couldn't get to that flow, it wouldn't check.