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.