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CONSTRUCTION FIGHTS (mm)
   
GDQ-J/Z Series
Pneumatic High-Vacuum Flapper Valve
GDQ-J/Z Pneumatic High-Vacuum Flapper Valve relies on the electromagnetic directional valve to change the gas flowing direction and control the gas cylinder movement.When power or compressed air is lost,the valve will close automatically by means of the valve to connect or cut off the sirflow in the vacuum pipeline.The applicable media include clean air or non-corrosive gases.It's optionsal for a signal feedback device.
  Main Technical Performance
 
Vacuum Range: 2X105~6.7x10-7Pa(正反向)
Valve Leak Rate: ≤1.3x10-6 Pa.L/S.

Applicable Temperature :

-30~+150℃

Cylinder Air Pressure :

0.4~0.6MPa
Mounting state: Any
Power Supply: 标准出厂:AC220V/50Hz
特殊指定:AC110V,DC24V
   
  Materials of Main Parts
  Valve Body:stainless steel or Aluminium alloy;
Ball core: stainless steel
Sealing element:flourine rubber or corrugated tube(shaft gland)
   
Outline and Connection Dimensions (mm) (GB4982/ISO-KF)