This 1 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).

Features

• For use in health hazard cross connections and continuous pressure applications

• Designed for minimum head loss

• Plastic bonnet protects valve body from freeze damage

• Internal parts easily serviceable in line from top of unit

• Maximum pressure of 150 psi

• Durable bronze body construction