Even small amounts of water can cause considerable damage to hydraulic oils, lubricating oils or turbine oils. If the water content in the oil is too high, oxidation reactions and premature ageing of the oil can occur. The formation of corrosion in pipes and at the bottom of the tank can cause undesirable rust particles. These hard, abrasive particles lead to a considerable wear of sliding and sealing surfaces. The formation of steam bubbles can lead to cavitation and destruction of pumps. The insulating effect of transformer and capacitor oil is significantly reduced by water. All these disadvantages are eliminated and avoided by using a vacuum oil dewatering system.

The system is connected to the oil circuit in a bypass flow. The water-containing oil is first passed through a 3µm filter to remove dirt particles. In the downstream heat exchanger, the incoming oil is heated while the oil running off the process is cooled. After further heating in the flow heater, the oil passes into the vacuum chamber, where contained water evaporates due to the low pressure and is sucked off by the vacuum pump. The water condenses in a separate tank, while the dewatered oil flows back into the oil circuit via the heat exchanger. The entire process runs fully automatically.


  • Reduced wear and tear
  • Dewatering down to a residual water content of less than 50 ppm water
  • Efficient removal of water, gases and particles
  • Rapid amortisation
  • Simple and quick installation


  • Paper Industry
  • Steel industry
  • Mobile Hydraulics
  • Transformers
  • Hydraulic oils in steelworks
  • Turbine oils