■ GI high vacuum butterfly valve is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases.
■ 主要技术性能
Main Technical Performance
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■ 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)
安装方向：Mounting Direction 任意
■ 主要零件材料
Materials of Main Parts
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■ 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
CONSTRUCTION FIGHTS(mm)
■ 外形及连接尺寸(mm)
Overall and Connection Dimensions(mm)
