LACO's UN Series Dry Piston Vacuum Pumps feature oil- and water-free economical aluminum design, and are available in several configurations with pumping speeds up to 325 L/min. Oil- and water-free design makes these dry piston vacuum pumps ideal for non-corrosive applications.


  • Vacuum range from 140 to 15 Torr (29 inHg) 
  •  Flow rates from .81 to 11.4 CFM
  • Oil- and water-free operation
  • Includes inlet trap with gauge and adjustable vacuum regulator
  • Includes exhaust silencer and on/off switch with 6 foot power cord

Applications (Non-Corrosive)

  • Altitude simulation
  • Back molecular drag pumps
  • Bubble emission leak testing
  • Vacuum drying
  • Evacuation of helium bombing chambers
  • Filtration or aspiration
  • Product / package testing
  • Vacuum degassing
  • Medical / hospital / clean room

Contact us for a quote, or order directly from our Online Store