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CONSTRUCTION FIGHTS (mm)
   
CI
Ultra High Vacuum Butterfly Valve

CI Ultra 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.
  Main Technical Performance
 
Vacuum Range: 2x105~6.7x10-7Pa
Valve Leak Rate: ≤1.3x10-7 Pa.L/S

Applicable Temperature :

-30~+150℃
Mounting state: Any
Differential Pressure at Opening ≤ 2x 105 Pa
Opening Angle : 0-90°
   
  Materials of Main Parts
  Body , bonnet and stem: carbon steel or stainless steel
Sealing element:: NBR or Viton, Bellows
   
Outling and Connection Dimensions (mm)(JB919)