The Open Flight Screw Pump uses the classic Archimedean design, transporting liquid using an open concrete trough. The most common pump style in use in municipalities across the country, the Open Flight Screw Pump is the right choice for high-volume operations.


  • Variable capacity at a constant speed
  • Truly a non-clogging pump
  • Low operating speed
  • Low operation cost
  • Superior lower bearing design (truly self-aligning)
  • No grease lubrication pump for the lower bearing
  • Virtually no maintenance on the lower bearing lubrication system
  • Oil lubricated lower bearing


  • Municipal wastewater plants