GI型手动高真空蝶阀 GI High Vacuum Butterfly Valve
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.
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 Body, bonnet and stem: carbon steel or stainless steel
密封件：丁腈橡胶、氟橡胶。Sealing element: NBR, Viton
外形及连接尺寸(mm)(JB919) Overall and Connection Dimensions
| 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 |