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GI型手动高真空蝶阀用于接通或切断真空管路中的气流。永嘉县科本真空阀门厂制造的GI型手动高真空蝶阀系列产品适用介质为纯净空气和非腐蚀性气体。
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.
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
阀体、阀盖、阀杆：碳钢或不锈钢 Body, bonnet and stem: carbon steel or stainless steel
密封件：丁腈橡胶、氟橡胶。Sealing element: NBR, Viton
| 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 |
