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.
主要技术性能 Main Technical Performance
适用范围：Applicability
105～1.3×10-4Pa
阀门漏率：Valve Leak Rate
≤1.3×10-4Pa.L/S.
适用温度：Applicable Temperature
-25～+80℃（丁腈橡胶） -30～+150℃（氟橡胶）
气源压力：Mains Voltage
0.4～0.6MPa
安装方向：Mounting Direction
任意
主要零件材料 Materials of Main Parts
阀体、阀盖、阀杆：碳钢或不锈钢 密封件：丁腈橡胶、氟橡胶。
Body, bonnet and stem: carbon steel or stainless steel Sealing element: NBR, Viton
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