GI型高真空蝶閥用于接通或切斷真空管路中的氣流。適用介質為凈空氣和非腐蝕性氣體。 
 
  
■ 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. 
 
  
■ 主要技術性能
Main Technical Performance 
  
  ■
■
■  適用范圍:Applicability  105~1.3×10-4Pa 
 閥門漏率: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) 
 安裝方向:Mounting Direction  任意 
 
 
  
■ 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 
 
  
CONSTRUCTION FIGHTS(mm) 
  
■ 外形及連接尺寸(mm)
Overall and Connection Dimensions(mm) 
 
 
Model
型號 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