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Removing waste oil from machine coolant creates a healthier work environment, reduces absenteeism and health issues, and reduces coolant costs.

PhaSep uses a unique floating pick-up that skims the tramp oil and coolant mix from the top of the machine sump. As the liquid moves slowly through the patented steel coalescing plates, oil droplets as small as 20 microns are separated from the coolant and rise to the top of the PhaSep unit. When the oil layer builds up sufficiently in the unit, it passes over a specially-designed weir, and is trapped away from the clean coolant. The oil can then be removed periodically through the waste oil drain. Coolant, cleaned of 99% of contaminated oil, is returned directly to the machine sump.


  • PhaSep requires little maintenance. Cleaning takes only minutes with the removable filter media...
    See More A simple clamp is removed without tools freeing the media from the housing.  After a quick rinse and re-installation, the PhaSep operates continuously with little or no attention required.

  • The tri-ball float captures oil where it accumulates most, at the surface of the coolant. A simple weir dam arrangement captures the oil and sends it to a holding tank for disposal...
    See More Clean coolant is gravity fed back to the machine sump.

  • PhaSep’s patented oil removal technology will improve metal working fluid life by at least 100%, reducing the need for new coolant. Coolant disposal cost is eliminated and tool life is increased by up to 25%...
    See More Clean coolant does not need replacing and is a much more efficient lubricant adding to tool life.

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