| ■ | VTLPBUF01型－气动高真空蝶阀 | | | | | ■ | VTLPBUF01型-进口气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。用于接通或切断真空管路中的气流。进口气动高真空蝶阀适用介质为纯净空气和非腐蚀性气体。可选配反馈信号装置及电气阀门定位器。 | |
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| ■ | VTLPBUF01
Pneumatic High Vacuum Butterfly Valve | | | | | ■ | VTLPBUF01 pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage, ａnd controls the actuating cylinder to drive the butterfly valve opened ａnd closed. It is used to put through or cut off the airflow in vacuum pileline. Applicable medium can be pure air ａnd noncorrosive gases. They may be fitted with signal feedback device ａnd electropneumatic valve positioner. | |
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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） | | 气源压力：Mains Voltage | 0.4～0.6MPa | | 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）
Overall ａnd Connection Dimensions（mm） |  |
| Model
型号 | DN | D | Do | D1 | B | H | B1 | L | n-φc | | VTLPBUF01-40 | 40 | 85 | 70 | 44 | 22 | 162 | 90 | 104 | 4-φ7 | | VTLPBUF01-50 | 50 | 110 | 90 | 55 | 22 | 175 | 90 | 104 | 4-φ7 | | VTLPBUF01-65 | 65 | 125 | 105 | 70 | 26 | 198 | 102 | 140 | 4-φ9 | | VTLPBUF01-80 | 80 | 145 | 125 | 85 | 30 | 208 | 102 | 140 | 4-φ9 | | VTLPBUF01-100 | 100 | 170 | 145 | 105 | 30 | 220 | 102 | 140 | 4-φ12 | | VTLPBUF01-150 | 150 | 220 | 195 | 156 | 35 | 272 | 115 | 164 | 8-φ12 | | VTLPBUF01-200 | 200 | 275 | 250 | 208 | 40 | 330 | 205 | 190 | 8-φ12 | | VTLPBUF01-250 | 250 | 330 | 300 | 258 | 45 | 335 | 205 | 190 | 8-φ14 | | VTLPBUF01-300 | 300 | 380 | 350 | 308 | 55 | 426 | 152 | 247 | 8-φ14 | | VTLPBUF01-400 | 400 | 500 | 465 | 410 | 60 | 520 | 180 | 308 | 8-φ18 | | VTLPBUF01-500 | 500 | 600 | 565 | 510 | 80 | 643 | 220 | 378 | 12-φ18 | | VTLPBUF01-600 | 600 | 710 | 670 | 610 | 100 | 760 | 270 | 524 | 12-φ21 | | VTLPBUF01-800 | 800 | 920 | 815 | 815 | 130 | 962 | 320 | 648 | 20-φ21 | | VTLPBUF01-1200 | 1200 | 1440 | 1280 | 1280 | 150 | 1360 | 385 | 1480 | 36-φ19 | |
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