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SIC Description for 3491 Description for 3491: Industrial Valves

Division D: Manufacturing

Major Group 34: Fabricated Metal Products, Except Machinery And Transportation Equipment

Industry Group 349: Miscellaneous Fabricated Metal Products

3491 Industrial Valves

Establishments primarily engaged in manufacturing industrial valves. Establishments primarily engaged in manufacturing fluid power valves are classified in Industry 3492; those manufacturing plumbing fixture fittings and trim are classified in Industry 3432; and those manufacturing plumbing and heating valves are classified in Industry 3494. Boiler gauge cocks Compressed gas cylinder valves Fire hydrant valves Gas valves and parts, industrial Pop safety valves, over 15 lbs. w.s.p. Pressure valves, industrial: except power transfer Steam traps, over 16 lb. w.s.p. Valves, automatic control: industrial, except fluid power Valves, industrial: gate, globe, check, pop safety, and relief Valves, nuclear Valves, relief: over 15 lbs. w.s.p. Valves, solenoid: except fluid power Water works valves

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