GLD series features high perfomance, low vibration and noise and several functions such as ballast valve, oil-back-flow prevention mechanism, and large sized oil level gauge. This series equips multi-voltage motor and correspondent to international standard.


  • Low Vibration and Noise
  • Built-In oil back flow prevention
  • Large, easy-to-read oil level gauge
  • Gas Ballast for excellent water vapor pumping performance
  • Wide-Range motor which adheres to rigourous international standards.


  • Chemical, Analyzer and Laser system
  • Backing pumps electron microscopes
  • Semiconductor, sputtering, and vacuum evaporation equipments
  • Vacuum dryer, freeze dryer