... valve, valve. heaing, pipe. Specificationsball valve 1, Size: inch 1/4 to 4 2, Surface: nickel, brass, chrome 3, ... EN12165, CW617, 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 ...