brass pipe fittings for threaded pipe and PEX pipe, female thread DN15, DN20, DN25, PEX coupling 16mm forged brass CW614, CW617n Brass forged PEX pipe fittings, coupling, A ... produce and sell other standard or customized threaded pipe fittings and connector, PEX fittings, PEX-AL-PEX fittings, gardening hose couplings, both brass forged ...