Double eccentric butterfly valve (liquid control double seal) Introduction: The butterfly valve is an intelligent liquid control system to control, state data collection, real-time and dynamic detection of the valve and drive device, and provides operation and maintenance information and fault warning. Double seal is composed of working soft seal and maintenance hard seal. The working soft seal is set on the outlet side of the butterfly valve to perform the sealing function of the valve; the maintenance hard seal is set on the inlet side of the butterfly valve, and one valve is used as two valves to save the production cost.


