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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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