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Water Separator

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Protect your pump from air quality issues.

The water separator removes moisture from the compressed air supply to prevent damage to your pump.  Moisture in the air supply is one of the most common causes of pump failure.  Even if you have a dryer installed near your compressor, condensation can form in the air lines running to your equipment.  But a water separator removes moisture right at the unit, so there's no time for more condensation to form.

The water separator:

  • Removes large amounts of moisture
  • Removes water and oil to 10 microns
  • Protects air operated pump and other components
  • Has a float drain which ejects water and oil from the large drain sump

Two versions available:

  • Standard version (item number WS-20CFM) does not include any fittings.
  • Assembled version (item number WS-20CFM-A) includes air fitting and union fitting to make the water separator easy to install in the field.
Compressed air requirementsUp to 250 psi (17 bar) and 20 cfm (566 l/min)
Tubing/fitting sizes1/4 in. FPT inlet and outlet ports
Moisture removalWater and oil to 10 micron

What's in the box?

  • Item number WS-20CFM includes: Water separator with 1/4 in. FPT inlet and outlet ports
  • Item number WS-20CFM-A includes: Air inlet fitting, water separator, and union fitting with 1/4 in. MPT outlet (assembled)


  Fittings Included
WS-20CFM-None (standard)
Air inlet fitting and union fittings (A)

Add bold option codes to item number as shown. For standard options, no option code is needed. Examples:

  • WS-20CFM (standard version with no fittings included)
  • WS-20CFM-A (assembled version with air inlet fitting and union fitting for easy installation in the field)
Need help with sales or support?


616.656.9225 or 800.567.5420