■ 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