Official definition

This U.S. industry comprises establishments primarily engaged in manufacturing industrial valves and valves for water works and municipal water systems. Illustrative Examples: Complete fire hydrants manufacturing Industrial-type ball valves manufacturing Industrial-type butterfly valves manufacturing Industrial-type check valves manufacturing Industrial-type gate valves manufacturing Industrial-type globe valves manufacturing Industrial-type plug valves manufacturing Industrial-type solenoid valves (except fluid power) manufacturing Industrial-type steam traps manufacturing Valves for nuclear applications manufacturing Cross-References. Establishments primarily engaged in--