Oil/Water Separators

High Purity Northwest offers a complete line of Above Ground Rectangular Oil Water Separators that can be customized for your specific application. All oil/water separator equipment meets or exceeds API 421 guidelines. The type of material and the type of media are always based on the characteristics of your wastewater.

AG Oil Water SeparatorTanks are constructed from stainless steel.

Sizes from 3-2,000 GPM

Our oil/water separators are customized to meet your application requirements.


Options Include:

  • Relocating pipe fittings for easier installation
  • Provide registered P.E. stamped calculations for Reynolds Number, Stokes Law, seismic, structural and/ or drawings
  • Hinged covers with prop rods for ease of maintenance
  • Double wall construction with interstitial monitoring
  • Oil storage compartments
  • Float switches
  • Immersion heaters
  • Pump packages: Influent, Effluent and Oil/Sludge
  • Leak Detection and Level Indicating Systems
  • Oil Stop Valve
  • Various types of skimmers
  • Sightglass Assemblies

Clarification Separator

Oil/Water Separator Duty Pumps