All Bronze Body for Durability; One Check Valve and an Air Opening Port in One Assembly; Lightweight Poppet Seals Air Opening Under Minimum Flow Conditions; Simple Service Procedures; All Internal Parts Serviceable In-Line from the Top of the Unit; Designed for Minimum Head Loss; Plastic Bonnet Protects Valve Body from Freeze Damage
Vacuum Breaker; Type Pressure Vacuum Breaker, Continuous Pressure; Valve Configuration N-Pattern; Nominal Size 3/4 Inch x 3/4 Inch; End Connection Female Threaded x Female Threaded; Body Material Rough Bronze; Disc/Poppet Material Nitrile; Seat Material Bronze; Temperature Rating 32 to 140 Deg F; Pressure Rating 150 PSI; Inclusions/Features 1/4 Turn Shut-Off Ball Valve, Cap and Tether; Exclusions Strainer, Elbow Fitting, Hot and Harsh Water, Polymer Coating, Bypass, Hydrant Connection; Application Health Hazard; Protection Type Backsiphonage
This 3/4 inch pressure vacuum breaker backflow preventer is used to protect against health hazard and non-hazard backsiphonage of toxic or non-toxic liquids in industrial plants, cooling towers, laboratories, laundries, swimming pools and irrigation systems. It has a bronze body, spring loaded check valve, air relief valve with opening port, two resilient seated shutoffs and test cocks, and NPT end connections. This assembly meets the specifications of the USC FCCCHR Manual. The maximum working pressure is 150 psi (10.3 bar) and temperature range is 32 degrees F to 140 degrees F (0 degrees C to 60 degrees C).
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