Double Check Valve Assembly - Field Test
Автор: Jimmy Backflow
Загружено: 2014-01-03
Просмотров: 142200
How to test a double check valve assembly with a three valve test kit. Testing differential pressure, for backpressure, No-Flow status, and the downstream shut off valve for tightness. Video can be viewed at www.ceuplan for CEU credit for Drinking Water and Waste Water Operators and well as certified backflow testers.
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