Applications:
　　pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the opened and closed. It is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases.
Technical Data:
Fluid：gas
Leak rate：≤1.0×10^-6Pa·L/s；
Operating pressure：1.0×10^-6Pa～1.6×10⁶pa；
Working temp.：-50℃～+150℃；
sealing of shaft ：VITON、Bellows
Materials: SS304
PipeConnection ：
quick release flange ；loose flange；ISO 2852 sanitary quick release flange
Electrical data:
Voltage: AC220V、DC24V
Service pressure:double action(4-7bar);Single action(5-7bar)
Electric locator: Input4-20mA signal,regulating action
Electrical connection: Connecting box type (popular type),
electric cable lead wire type (explosion-proof)
Protection class: German standard DIN43650A(IP65)
Other functions: E explosion-proof (explosion-proof rank Ex I/IIT4)
Figure Structure：