Electrical Flange Ball Valve (Hard-Sealing) has a nominal diameter of DN15-300. The pressure range is 1.6-6.4Mpa. The medium temperature range varies from -20°C to +180°C. The ambient temperature range is -20°C to +60°C. The sealing material is PTFE. The actuator cover is made of aluminum allow. The controlling voltages are AC24V, 110V, 220V, 380V, DC24V. These ball valves are on/off valves and can be easily regulated. The connecting flange standards are GB, ANSI, DIN and JIS. The valves are used with a variety of mediums like Water, air, oil, acid and alkali.