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  • Busch R5 RE 0063 B

R5 RE 0040/0063 B

Oil-lubricated rotary vane vacuum pumps

The Robust and Explosion-Proofed Solution


ATEX-certified to directive 2014/34/EU: II 1/2G Ex h IIB3 T4 Ga/Gb, specially designed to extract explosion endangered gas/air and vapor/air mixtures, suitable for the extraction of almost all substances in the IIB3 explosion group as well as petrol vapor


Robust construction, highly durable fiber-reinforced epoxy resin vanes, proven rotary vane technology, long service life


Various design options available, easy adaption to individual customer requirements and processes, level and temperature switch as standard

Technical specifications

Markets & applications

Chemical and pharmaceutical industries
  • Filtration
  • Evaporation
  • Distillation
  • Freeze drying
  • Drying
  • Solvent recovery
  • Pneumatic conveying
Food processing
  • Powder processing
Oil and gas industry
  • Oil purification
  • Solvent extraction


  • Gas-ballast valve
  • Oil level switch
  • Vacuum regulating unit
  • Anti-corrosion coating on the oil separator
  • T3 motor and transmission (temperature class T3 outside the vacuum pump)