Edwards is synonymous with vacuum. Having over 90 years experience and over 150,000 dry pumps installed worldwide, our high quality products and application know-how are renowned in the world of vacuum technology. CXS is Edwards most advanced chemical dry pump featuring tapered-screw technology for exceptional energy efficiency and performance. It offers high reliability and effluent-free pumping even in the most difficult of harsh chemical and pharmaceutical processing applications. The CXS pumps up to one litre of liquid per minute continuously or up to 25 litre-slugs without stopping, and provides an ultimate vacuum down to 10-2 mbar. CXS is available in two sizes, with capacities of 160 m3h.-1 and 250 m3h-1.


Click here to download the PDF file: CXS Chemical Dry Pump

CXS 250 US

Features and Benefits

  • Environmental: no oil disposal, no oil emissions into atmosphere
  • Performance: very stable pumping speed gives repeatability to processes, continuous pumping at atmosphere, ability to handle particulates, dry eliminates back-streaming, thus protecting reactive alloys from contamination
  • Safety: unobtrusive noise levels, no unsightly oil spills, no hazardous oil vapours


  • Drying
  • Degassing
  • Deodorisation
  • Distillation
  • Solventrecovery


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