No Leaks. Ever.

The GHD Series of small vacuum pumps is a family of oil-sealed rotary vane pumps designed for a wide variety of applications including use in analytical and laboratory equipment and as a backing pump for the industry leading HELIOT 900 Helium Leak Detector. The GHD is designed with a magnetically coupled motor to eliminate the problem of shaft seal leakage, and improve the life of the motor. Available in multiple sizes to accommodate the precise needs of your application.


  • Wide range voltage motor and correspond to CE, cTUVus.
  • Magnet coupling for no oil leakage from shaft seal and realized longer lifetime.
  • Integrated check valve below the inlet port for backflow prevention.


  • Helium leak detectors.
  • Analytical equipment.(GC/MS,ICP/MS,LC/MS)
  • Laboratory experiment.


Item Unit 50Hz 60Hz
Actual Pumping Speed L/min 30 36
Ultimate Pressure Pa 0.67
Motor Output W 100
Recommended oil R-2
Oil capacity mL 370
Weight kg 9.3
Inlet, Outlet port diameter mm KF-16, G3/4
Ambient temperature 7~40
Overall dimensions mm 120(W) × 288.5(L) × 163(H)
RoHS applied