2 4000RPDA FBV FPV LM

This 2 inch reduced pressure zone backflow preventer assembly is for use on potable water lines where a health hazard could exist in the event of a backflow situation. The assembly consists of two independently operating swing check valves with an independent hydraulically operated differential pressure relief valve, two shutoff valves, and four test cocks. The temperature range is 33 F to 110 F (5 C to 43 C) and the maximum working pressure is 175 psi (12.06 bar).