■ GI型－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 airnoncorrosive 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, bonnetstem: carbon steel or stainless steel
Sealing element: NBR, Viton
CONSTRUCTION FIGHTS(mm)
■ 外形及连接尺寸(mm)
OverallConnection 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 38 135 4-φ9
GI-100 100 170 145 105 30 153 38 135 4-φ12
GI-150 150 220 195 156 35 179 40 165 8-φ12
GI-200 200 275 250 208 40 208 40 185 8-φ12
GI-250 250 330 300 258 45 234 45 300 8-φ14
GI-300 300 380 350 308 55 300 55 350 8-φ14
GI-400 400 500 465 408 60 340 60 500 8-φ18
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