brass gate valve for water Size: 1/2"-4" Material: C37700, MS58(CuZn40Pb2), CuZn39Pb3, CW602N Connection thread:NPT, BSP, BSP brass gate valve for ... thread: NPT, BSP, BSPTWorking Pressure: 16Bar-20Bar( 200WOG)Working Media: Water, Steam, Oil etcInside screw bonnet, non-rising stem, solid disc ...