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Wall-Mount Heatless Desiccant Compressed Air Dryers

Compact design and maximum performance. Dew points from -40 °F (-40 °C) standard to -100 °F (-70 °C). Wide range of models available. CRN-approved.

All models are designed and manufactured locally in our Cambridge, Ontario facility. Many custom options available.


  • Powder-coated steel construction towers
  • Towers are pressure rated to 580 PSIG, MAWP
  • Easy desiccant replacement through plugged fill and drain ports
  • Plated steel hydraulic pipe fittings and S/S schedule-40 pipe nipples
  • S/S 3-way inlet valve with position indication
  • Poppet-style diaphragm-operated purge exhaust valves
  • S/S control air solenoid valves

Optional Features and Equipment

  • Oil coalescing prefilters (with optional coarse filter inline prior to fine coalescer)
  • Particulate afterfilter to remove desiccant fines
  • Activated charcoal final filter
  • Bypass valve and filter mounting
  • Floor stand
  • Smaller-size purge orifice for lower capacities to reduce/save purge air requirements
  • ‘Purge while pumping only’ controls when compressor is running/loaded
  • Purge economizer controls: Reduces purge flow based on dew point-controlled purging
  • Tower switching failure alarm: Monitors tower pressure to ensure depressurization and repressurization within required time frames
  • High humidity alarm with optional audible buzzer
  • High or low pressure alarm
  • High pressure options


  • Automotive
  • Pharmaceutical
  • Power Stations
  • Instrumentation
  • Packaging
  • Food Processing
  • Industrial compressed air

Standard Control Features

  • Microprocessor controls
  • Consistent dew point: Purge air consumption controlled through fixed orifice
  • Cycle pre-programmed to 10 minutes
  • Easily adjustable to 4 minutes for desired dew points of up to -70 °C
  • Correct precision purge orifices to achieve maximum efficiency for dryer’s capacity

Custom Options Available

1 year warranty included

Model NumberCapacity CFM100psigDepthHeightInlet and Outlet SizePurge Air ConsumptionWeightWidthMaximum Operating PressurePressure Dew PointInlet TemperatureAmbient Tempearture RangeMaximum Pressure DropBrochure PDF
AP-888.7541.751/4" NPT15%5520150 psig-40°C38°C5 to 40°C3 psigDownload
AP-16169.5451/2" NPT15%7720150 psig-40°C38°C5 to 40°C3 psigDownload
AP-305013451/2" NPT15%16028140 psig-40°C40°C5 to 40°C3 psigDownload
AP-505013451/2" NPT15%16028150 psig-40°C38°C5 to 40°C3 psigDownload
AP-757513443/4" NPT15%19034140 psig-40°C40°C5 to 40°C3 psigDownload

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