1 Backflow Preventer Inspection and Field Test Report Form

Instructions and help about 1 Backflow Preventer Inspection And Field Test Report

let's take a look at a double check valve backflow prevention assembly which will be referred to from this point forward as the DC first I'll introduce you to the various parts of the DC let's begin with test number one shutoff valve number one test number two check valve number one test number three check valve number two tests number four and finally shutoff valve number two before beginning the procedure we must complete the preliminary steps notify identify inspect and observe now let's begin the field test procedure first let's test for the tightness of check valve number one bleed water through test to eliminate foreign material by opening and closing each test appropriate fittings if test number three is not at the highest point of the check valve body then a vertical tube or pipe must be installed on test number three so that it rises to the top of the check valve body attach bleed off valve arrangement to test number two and the hoes from the high side of the field test kit t