■ 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 38 135 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 30