... handwheel, pn20, thread as request, rich OEM experience. brass gate valve PN20 /brass water valves 1. Material: C3771, C37700N, CW614N ... Handle: Forged Steel, Aluminum, Flat Steel with plastic cover, Butterfly “T” type 3. Thread: BSP, NPT, ANSI BI ... and production of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check Valve, Bibcock, Angle Valves, Brass Fitting, Copper ...