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Dry compressed air can save you money!....


BOGE -Adsorption Dryers


DAV Series
Externally heated regeneration with vacuum drying, complete with pre-filter and after-filter

Vacuum regenerated adsorption drying is the energy efficient solution for higher volumes of compressed air. Dewpoints to -70°C are possible!



Before entering the dryer, a BOGE ‘F’ series micro-filter removes solids and impurities from the compressed air to 0.01 mg/m3. In the drying tower, the desiccant media removes moisture from the air to a dewpoint of -40°C (standard models).


The parallel tower regenerates the wet desiccant bed. First it de-pressurises to atmosphere, simultaneously the vacuum pump begins to draw ambient air, that is pre-heated on entry, through the wet desiccant to complete the regeneration process.


The advantages of using the BOGE DAV Adsorption Dryer


  • Energy efficient system
    Savings of up to 25% compared to conventional systems

  • 2-stage drying
    Optimised flow distribution through media bed
    Self cleaning media reduces Δp and increases moisture separation

  • Low regeneration temperature
    Vacuum regeneration ensures energy efficient moisture removal at lower temperatures than traditional heat regeneration

  • Vacuum cooling
    After drying the media the heater switches off and the vacuum pump sucks ambient air through the bed to cool it

  • Pressure equalisation on wet side
    Regeneration takes place at atmospheric pressure. Venting tower is therefore total purge loss

  • Consistent pressure dewpoint in operation
    Because ambient air drawn in from the drying process

  • Constant pressure dewpoint at changeover
    Because compressed air re-pressurises dry tower

  • Pressure dewpoints to -70 °C
    Possible as well as the standard -25°C or -40°C

  • Function display
    For pressure, temperature, heater operation, vacuum pump and changeover

  • Alternative energy
    Regeneration using steam, hot water and other is available as an option

  • Modular options:
    Purge air by-pass, thermistor controlled heaters, frequency controlled vacuum pumps




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Technical data


Flow capacity:

420 - 14500 m3/h

247 - 8526 cfm


Max. operating pressure:

10 bar, 150 psig


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