... iron handwheel, pn20, thread as request, rich OEM experience. brass gate valve PN20 /brass water valves 1. Material: C3771, C37700N, CW614N ... . Specialized in development and production of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check Valve, ... Acceptable Cold Punching Machines D67-F 8 6.0 Acceptable Automatic Special Machine CM-6206-T25 20 0.4 Acceptable ...