This specification establishes requirements for two pressure classes of bronze horizontal swing check valves with metallic or non-metallic discs and threaded or solder ends.
Check valves function to prevent backflow.
Reference to specifications, standards, test methods, and other documents shall be to the issues in effect on the date of the Invitation for Bids. Copies of the referenced documents may be ordered from the issuing organizations at the addresses shown. 11 West 42nd Street, New York, NY 10036-8002. Cast Copper Alloy Solder Joint Pressure Fittings. Bronze Gate, Globe, Angle and Check Valves.