The Pan America Environmental OSe series is a family of API421 based stainless steel, above grade coalescing oil water separator designs that can be applied to many applications where oils, fuels and many petroleum derived products are present.


  • Proven reliability
  • Flow rates from 5 to 250 GPM
  • Economical construction:  304/316 SS, polypropylene/polyethylene, coated carbon steel
  • Saves floor space
  • Many possible integrated options
  • Variety of plate spacings
  • Highly customizable design

Process Overview

The OSe design is most commonly used wherever oils and fuels can come into contact with a wastestream and are designed to handle solids.

How It Works

The OSe places a volume of corrugated Flopak coalescing media into the waste stream, the tank’s flow path brings the oils and solids bearing water to the influent end of the plate pack, it flows horizontally through the pack where oils then encounter the plate surface and are effectively separated from the water, the oil droplets roll up the plate surface begin to coalesce into larger droplets. Then, the larger droplets increased buoyancy pulls the oils away from the surface rising to the water surface. Solids perform the reverse and drop into the sludge hopper bottom.


Ideal For:

  • Groundwater Remediation
  • Refineries
  • Vehicle Wash Racks
  • Military Wash Racks
  • Industrial Process Water
  • Steel Mills
  • Stormwater Treatment
  • Shipping Ballast & bilge water treatment.
  • Tank Farms
  • Petro-Chemical
  • Power Generation
  • Heat Treating

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