Historical
ANSI/ASSE 1022-2003
Performance Requirements for Backflow Preventer for Beverage Dispensing Equipment
This standard covers backflow prevention devices designed to protect the potable water supply serving beverage dispensing equipment under continuous or intermittent pressure conditions. They shall consist of two independently acting check valves biased to a normally closed position. An atmospheric port shall be located between the check valves and shall be biased to a normally open position. The port shall vent liquids, gases, or both, under backflow conditions.
Content Provider
American Society of Sanitary Engineering [asse-sanitary]
