1. The electric ventilation butterfly valve has the advantages of small operating torque, convenient operation and convenient labor saving.

2. New design, reasonable, unique structure, light weight, rubber lined butterfly valve open and close quickly.

3. The electric ventilation butterfly valve adopts suitable materials to meet the requirements of low, medium and high medium temperature and corrosive medium.

4. There is no connecting rod and bolt inside, which is reliable and long service life. It can be installed in multiple stations, not affected by the flow direction of media.

5. The electric ventilation butterfly valve is designed and manufactured with a new type of structure form of central line type disc plate and short structure steel plate welding. The soft seal butterfly valve is compact in structure, light in weight, easy to install, small in flow resistance and large in flow volume, avoiding the influence of high temperature expansion, and easy to operate.