| GI |
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| ■ | 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。 | |
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| ■ | 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. | |
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| ■ | 主要技术性能
Main Technical Performance | | | | | ■
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■ | | 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℃（橡胶）
-30～+150℃（氟橡胶） | | 安装方向：Mounting Direction | 任意 | | |
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| ■ | 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：橡胶、氟橡胶。
Body, bonnet ａnd stem: carbon steel or stainless steel
Sealing element: NBR, Viton | |
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| CONSTRUCTION FIGHTS（mm） |
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| ■ | 外形及连接尺寸（mm）（JB919）
Overall ａnd Connection Dimensions（mm） | |
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| 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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