D341 turbine flange soft seal butterfly valve has the advantages of simple structure, small flow resistance coefficient, flow characteristics tend to be straight, no debris, light weight, easy installation and small driving torque. This valve can be used to cut off the medium and adjust the flow of the medium. D341 turbine flange soft seal butterfly valve is widely used in temperature ≤ 120 °C, nominal pressure ≤ 1.6MPa water supply and drainage, sewage, food, heating, gas, shipbuilding, hydropower, metallurgy, energy system and textile and other industries, especially suitable for two-way sealing and valve body easy to rust occasions, for adjusting flow and interception medium.