Oil free compressors

DH Series Variable Speed Oil-Less Rotary Screw Compressors


The DH from CompAir sets the standards for air purity. These water-injected screw compressors are available in water-cooled and air-cooled versions and are certified ISO 8573-1 Class Zero (2010) and silicone free, making them the ultimate choice with simply no risk of oil contamination. Offering not only 100% pure oil-free air but also improved energy efficiency, these compressors are made to meet the precise needs of a diverse range of industries.



  • Models available:  D15HRS - D110HRS
  • Oil less - 100% Oil Free Guaranteed!
  • High efficiency IP55 TEFC motor ensures superior performance in the most rugged conditions
  • Fully packaged and silenced enclosure 
  • Proven variable speed technology reduces energy costs and saves you money
  • Comprehensive controller ensures safe and reliable operation
  • Stainless steel separator vessel effectively separates air/water mixture from the compression element
  • Design eliminates the need for a gearbox. No gearbox means no need for oil lubrication and zero chance of contamination