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Description / Abstract:
This Standard covers cast Classes 125 and 250 copper alloy
threaded pipe fittings with provisions for substituting wrought
copper alloys for plugs, bushings, caps, and couplings in small
sizes. This Standard includes the following:
(a) pressure–temperature ratings
(b) size and method of designating openings of reducing
pipe fittings
(c) marking requirements
(d) minimum requirements for casting quality and
materials
(e) dimensions and tolerances in SI (metric) and U.S.
Customary units
(f) threading requirements
(g) pressure test requirements
Mandatory Appendix I provides table values in U.S. Customary
units.