GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed. It is used to put through or cut off the airflow in vacuum pileline. Applicable medium can be pure air and noncorrosive gases. They may be fitted with signal feedback device and electropneumatic valve positioner.
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主要技術性能 Main Technical Performance
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適用范圍：Applicability
105～1.3×10-4Pa
閥門漏率：Valve Leak Rate
≤1.3×10-4Pa.L/S.
適用溫度：Applicable Temperature
-25～+80℃（丁腈橡膠） -30～+150℃（氟橡膠）
氣源壓力：Mains Voltage
0.4～0.6MPa
安裝方向：Mounting Direction
任意
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主要零件材料 Materials of Main Parts
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閥體、閥蓋、閥桿：碳鋼或不銹鋼 密封件：丁腈橡膠、氟橡膠。
Body, bonnet and stem: carbon steel or stainless steel Sealing element: NBR, Viton
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