for drain, waste, and vent applications|
C 1277 : Specification for shielded couplings joining hubless cast iron soil pipe and fittings (heavy duty couplings)
Scope: This specification covers the evaluating of the performance of shielded hubless couplings to join cast iron soil pipe and fittings.
C 310: Specification for coupling for use in connection with hubless cast iron pipe and fittings for sanitary and storm drain, waste, and vent piping application (regular hubless coupling)
Scope: The purpose of this specification is to establish criteria for material dimensions and tolerances for one type of coupling used in hubless cast iron soil pipe and fitting for sanitary and storm drain, waste and vent piping applications.
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