... ), CuZn39Pb3, CW602N Connection thread:NPT, BSP, BSP brass gate valve for waterSurface: Nature color. Size: 1/2''-4''(DN15-DN100 ... ) 1''-4'' For flange connectionMaterial: C37700, MS58(CuZn40Pb2), CuZn39Pb3, CW602NThread endsConnection ... 200WOG)Working Media: Water, Steam, Oil etcInside screw bonnet, non-rising stem, solid disc, steel wheel. brass gate valve for water