brass gate valve/brass water valves, material as request, iron handwheel, pn20, thread as request, rich OEM experience. brass gate valve PN20 /brass water valves 1. Material: C3771, C37700N, CW614N, CW617N, as per request 2. Handle: Forged Steel, Aluminum, Flat Steel with plastic cover, Butterfly “T” type 3. Thread: BSP, NPT, ANSI BI 20.1, as per request 4. Size: 1/2” to 4”, DN15 to DN100 5. ...