Feature highlights:this Pneumatic flange soft seal butterfly valve ensures 100% sealing performance with zero leaks and supports multiple drive modes including pneumatic, hydraulic, and electric. It is suitable for a wide range of media such as air, water, oil, and gas, operating under temperatures from -29℃ to 80℃. the Double eccentric design reduces flow resistance and pressure loss, making it ideal for high-pressure and large-diameter applications.