GEA is experienced in the design and supply of dehumidifiers for pneumatic conveying systems.

Dehumidifiers are used to control the temperature and moisture level of in-process air and pneumatic conveying systems, which is an essential requirement when conveying hygroscopic and heat-sensitive food products, and dairy powders.


System design engineering, as well as computer analysis is used to select the right equipment and solutions to meet your heat transfer requirements, including:

  • heating, cooling and dehumidification applications
  • water, glycol, and steam service fluids
  • customized design
  • self-contained refrigeration system units
  • low to high air capacities
  • air pressure from full vacuum to more than 1 Barg
  • low pressure drop design
  • low approach temperatures.


Dehumidifiers lower the convey air temperature below the dew point, allowing moisture condensation, collection, separation and drainage. Features include:

  • 304 or 316 stainless steel and carbon steel
  • USDA dairy construction
  • copper or stainless steel tube and aluminium fin cooling coils
  • insulated housing
  • temperature and differential pressure gauges
  • self acting water flow control valve
  • electric or hot gas reheat system option
  • HEPA grade filter 99.97% efficiency at 0.3 micron
  • tool-free filter removal from housing
  • OD tube, flanged or ferrule process connections.


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