brass valve, stainless steel valve, ball valve, angle valve, gate valve.filter valve,bibcock,fire valve, valve. heaing, pipe. Specificationsball valve 1, Size: inch 1/4 to 4 2, ... , CW614 Seal: PTFE2, Size 1/4,1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2”, 3”, 4”3, Surface ... Brass finish, nickel finish, chrome finish4, Working temperature -20oC to 110oC5, Working medium Water, gas ...