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.
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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）
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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