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Heat Regenerated Desiccant Dryers


Technical specification

Series: DN/DW
Flow rate: 4.7 to 194.2 m³/min
Pressure dew point: down to -40 °C


Compressed air dried to dew points as low as -40°C is often needed as process air, for frost-prone areas or in sensitive industries such as electronics, foodstuffs, pharmaceuticals and brewing. Such high degrees of moisture removal are achieved by KAESER’s series DN/DW desiccant dryers. The intelligent system design of heat-regenerated desiccant dryers ensures that virtually no compressed air is lost as a result of regeneration and aftercooling. The desiccant is regenerated with externally heated blown air.

  • Particularly low energy demand thanks to efficient thermal insulation and very low purge air demand
  • Available ECO Control DN/DW pressure dew point control for even greater energy savings
  • Generous volume of desiccant charge for secure drying
  • Even flow through the desiccant bed ensured by the stainless steel flow diffuser
  • Designed for 100% continuous loading
  • Large section pipework for minimum pressure drop and energy costs
  • PLC controller with operating panel and full instrumentation for ease of operation
  • Supplied as standard with inlet and outlet filters. Outlet filter equipped with an electronic ECO DRAIN condensate drain


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