... Surface: nickel, brass, chrome 3, Handle: long steel hanlde 4, Material:brass Brass ball valve1, Material Valve body stem/ball ... CW617, CW614 Seal: PTFE2, Size 1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2”, 3 ... ”, 4”3, Surface Brass finish, nickel finish, chrome finish4, Working ... be strong enough to withstand a torque of 15kgm.4.Opening and closing of the valve must be achieved through ...