Electrical Wafer Butterfly Valve D971F-16C has a pressure range of 0-1.0MPa and has a medium temperature of -20°C to +120°C. It can be operated via on and off mode and has a controlling voltage of AC24V, 110V, 220V, 380V, DC24V. It has a nominal diameter of DN40-600 and has a double bubble and zero leakage. This device can carry mediums such as drinking water, sewage, high-purity water, sea water, air, etc.