高真空蝶阀

■ GI型高真空蝶阀用于接通或切断真空管路中的气流。适用介质为纯净空气和非腐蚀性气体。


■ GI
High Vacuum Butterfly Valve

■ 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

■


■


■ 　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

■


■ 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)


Model
型号 DN D Do D1 B H B1 L n-φc
GI-32 32 78 64 36 22 32 36 115 4-φ7
GI-40 40 85 70 44 22 40 36 115 4-φ7
GI-50 50 110 90 55 22 50 36 115 4-φ9
GI-65 65 125 105 70 26 130 38 135 4-φ9
GI-80 80 145 125 85 30 140 38