。適用介質(zhì)為真空負(fù)壓的純凈空氣和非腐蝕性氣體。electric high vacuum butterfly valve uses electric device to drive the stem and disc to perform open and close action. It is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases.
二
、進(jìn)口電動(dòng)高真空蝶閥主要技術(shù)性能
Main Technical Performance
適用范圍：Apply Range | 105～1.3×10-4Pa |
閥門(mén)漏率：Valve Leak Rate | ≤1.3×10-4Pa.L/S. |
適用溫度：Applicable Temperature | -25～+80℃(丁腈橡膠)
-30～+150℃(氟橡膠) |
電 源：Loop Temperature time | 220V/50Hz |
安裝位置：Install the direction | 任意 |
三
、進(jìn)口電動(dòng)高真空蝶閥主要零件材料
Materials of Main Parts
閥體、閥蓋
、閥桿：碳鋼或不銹鋼
密封件：丁腈橡膠
、氟橡膠。
Body, bonnet and stem: carbon steel or stainless steel
Sealing element: NBR, Viton
四
、進(jìn)口電動(dòng)高真空蝶閥外形及連接尺寸(mm)
Overall and Connection Dimensions(mm)
Model
型號(hào) | DN | D | Do | D1 | B | H | B1 | L | n-φc |
VTEVB-40 | 40 | 85 | 70 | 44 | 22 | 183 | 139 | 157 | 4-φ7 |
VTEVB-50 | 50 | 110 | 90 | 55 | 22 | 195 | 139 | 157 | 4-φ7 |
VTEVB-65 | 65 | 125 | 105 | 70 | 26 | 203 | 139 | 157 | 4-φ9 |
VTEVB-80 | 80 | 145 | 125 | 85 | 30 | 213 | 139 | 157 | 4-φ9 |
VTEVB-100 | 100 | 170 | 145 | 105 | 30 | 231 | 139 | 157 | 4-φ12 |
VTEVB-150 | 150 | 220 | 195 | 156 | 35 | 251 | 139 | 157 | 8-φ12 |
VTEVB-200 | 200 | 275 | 250 | 208 | 40 | 315 | 147 | 207 | 8-φ12 |
VTEVB-250 | 250 | 330 | 300 | 258 | 45 | 343 | 147 | 207 | 8-φ14 |
VTEVB-300 | 300 | 380 | 350 | 308 | 55 | 368 | 147 | 207 | 8-φ14 |
VTEVB-400 | 400 | 500 | 465 | 408 | 60 | 451 | 182 | 256 | 8-φ18 |
VTEVB-500 | 500 | 600 | 565 | 510 | 80 | 535 | 182 | 280 | 12-φ18 |
