HAR 6-77-87 Copper pipe

for joining screw fittings or valves may be threaded if the wall thickness is equivalent to the comparable size of Schedule 40 or heavier wall pipe listed in Table C1 of ANSI B16.5. [Eff ] (Auth: HRS '269-6) (Imp: 49#

C.F.R. '192.279, October 1, 1990)#