How to solve the water leakage of Dutch electric wafer type hard seal butterfly valve? At present, electric butterfly valves are widely used. The performance of butterfly valves has been greatly improved due to the access of electric actuators. Operating principle of electric butterfly valve: the valve rod is driven by the electric device to make the butterfly plate rotate 90 ° to open and close the valve.
、 The pneumatic ventilation butterfly valve is characterized by a slit between the valve plate and valve seat, which is suitable for use in the environment with poor air flow.