Manual vacuum butterfly valve is used to put through or cut off the air flow in the vacuum pipeline, the valve plate clamping structure, the valve plate sealing ring clamping, play a better sealing role.
GID series electric high vacuum butterfly valve adopts rotary electric and electronic regulating valve drive device to realize the control of valve opening and closing or middle position through switching of external power supply or external input signal, so as to connect or cut off the air flow in the vacuum pipeline. Applicable working medium is air and non corrosive gas.