GD-J/Z Series High-Vacuum Flapper Valve
GD-J/Z High-Vacuum Flapper Valve is used to connect or cut off the airflow in the vacuum pipeline .The applicable media include clean air or non-corrosive gases.
Main Technical Performance
Vacuum Range :
105~6.7x10-6Pa(正反向)
Valve Leak Rate:
≤1.3x10-6 Pa.L/S
Applicable Temperature :
-30~+150℃
Mounting state:
Any
Materials of Main Parts
Valve Body: stainless steel or Aluminium alloy;
Ball core:stainless steel
Sealing element:fluorine rubber or corrugated tube(shaft gland)
Outline and Connection Dimensions (mm) (GB4982/ISO-KF)