LB high vacuum（pressure）diaphragm valve is used to put through or cut off the medium flow in vacuum（pressure）pipeline in the areas of vacuum, dairy products, breweries, biological engineering, foodstuff, pharmaceuticals, drinks, cosmetics and chemicals.
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主要技术性能 Main Technical Performance
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阀门漏率：Valve Leak Rate
≤1.3×10-4Pa.L/S.
适用温度：Applicable Temperature
-30～+150℃（氟橡胶）
适用范围：Applicability
连接型式 Loose Flange
使用压力范围（Pa）
活套法兰（GB6070、JB919）
0.6×106～1.3×10-4
焊接法兰（GB6070、JB919）
1.6×106～1.3×10-4
快卸法兰（GB4982）
0.1×106～1.3×10-4
螺纹连接 Threaded Connection
1.6×106～1.3×10-4
也可按用户要求的连接标准加工
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主要零件材料 Materials of Main Parts
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阀体、阀板、阀杆：不锈钢
Body, disc and stem: stainless steel Diaphragm: silicon rubber, Viton
