Main performance of pneumatic vacuum butterfly valve: ● leakage rate: ≤1.3 × 10 -9 pa. M3/s; ● applicable pressure range: 1.3 × 10-5Pa-3 × 105PA; ● working temperature: fluororubber-25 ° C-+ 150 ° C; ● INSTALLATION LOCATION: arbitrary; ● Air Pressure: 0.4-0.6 mpa; ● the pressure difference between the two sides of the valve plate has nothing to do with the valve opening and closing; ● Life: ≥10000 times. Principle: the pneumatic actuator is controlled by the solenoid directional valve, which makes the valve stem rotate 90 ° to achieve the switching purpose. Features: ● the valve can withstand positive pressure ● the valve stem does not move up and down ● the cylinder uses 1/4 rotary cylinder, the angle can be adjusted 1 ° ~ 5 ° . Main parts and materials: body, rod, plate stainless steel, carbon steel nickel plating; seals, fluorine rubber, fluorine rubber

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