Industry: 3494—Valves and Pipe Fittings, Not Elsewhere Classified
Establishments primarily engaged in manufacturing metal valves and pipe fittings, not elsewhere classified, such as plumbing and heating valves, and pipe fittings, flanges, and unions, except from purchased pipes. Establishments primarily engaged in manufacturing plastics pipe fittings are classified in Industry 3089; those manufacturing plumbing fixture fittings and trim are classified in Industry 3432; and those manufacturing fittings and couplings for garden hose are classified in Industry 3429. Establishments primarily engaged in manufacturing fluid power valves are classified in Industry 3492, and those manufacturing other industrial valves are classified in Industry 3491. Establishments primarily engaged in fabricating pipe fittings from purchased metal pipe by processes such as cutting, threading, and bending are classified in Industry 3498.

Boiler couplings and drains, metalPlumbing and heating valves, metal
Couplings, pipe: except pressure and soil pipe—metalReducer returns, pipe: metal
Elbows, pipe: except pressure and soil pipe—metalSteam fittings and specialties, except plumbers' brass goods and fittings, metal
Flanges and flange unions, pipe: metalStop cocks, except drain: metal
Line strainers, for use in piping systems—metalUnions, pipe: metal
Pipe fittings, except plumbers' brass goods: metalWell adapters, tipless: metal
Pipe hangers, metal
Codes Titles Number of US Businesses
3494Valves and Pipe Fittings, Nec649
349400Valves and pipe fittings, nec369
34940000Valves and pipe fittings, nec369
349401Pipe fittings204
34940100Pipe fittings149
34940101Couplings, except pressure and soil pipe14
34940102Expansion joints, pipe18
34940103Line strainers, for use in piping systems8
34940104Steam fittings and specialties10
34940106Well adapters5
349499Valves and pipe fittings, nec, nec76
34949901Plumbing and heating valves52
34949902Sprinkler systems, field24