high vacuum butterfly valve is the high vacuum butterfly valve by electromagnetic directional valve to change direction of gas path, cylinder to drive the butterfly Industrial Valves for opening and closing motion control execution. GIQ series high vacuum butterfly Industrial Valves is suitable for the high vacuum system used to put through or cut off the airflow in vacuum line function. Applicable medium for pure air and noncorrosive gases. Pneumatic high vacuum butterfly valve is to use compressed air to power. Changing direction of the gas circuit by pneumatic device, perform cylinder drive butterfly valve for opening and closing movement. Pneumatic high vacuum butterfly valve is optional feedback signal device and electric valve positioner.

according to medium pressure vacuum valve can be divided into low vacuum valve, vacuum range for low vacuum 105 & ZWJ; To 10 - 2Pa（ In 760-10) High vacuum valve, vacuum range of 105 to 10 ~ 10 - high vacuum 4Pa（ ~ 10-760 6) Ultra high vacuum valve, vacuum range for 10 to 10 - ultra high vacuum 7 pa ( ~ 10-760 Design and manufacture according to JB/T4079 - 1991 standard execution; Inspection and testing in accordance with the JB/T6446 - 1992 standard execution; The flange size JB919, GB/T6070 standard execution.

main parts material high vacuum butterfly valve body and disc: carbon steel, Nickel plating) 13 cr, stainless steel, stainless steel components: butterfly plate sealing ring: nitrile rubber, fluorine rubber filling material: nitrile rubber

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