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  • Busch Vacuum Solutions, Oil-lubricated rotary vane vacuum pump , R5 RA 0520 A

R5 RA 0520 A

Oil-lubricated rotary vane vacuum pump

The All-Rounder for Countless Vacuum Applications


Up to 25% more energy-efficient than comparable rotary vane vacuum pumps, low operating costs, high uptime, reduced heat emission

High performance

High pumping speed at low pressure ranges, designed for continuous operation in the rough vacuum range, best-in-class footprint performance ratio

Easy servicing

40% less spare parts, all service-relevant parts on one side, service routine significantly faster, smooth surface design for easy cleaning

Technical specifications

Markets & applications

Biogas handling
  • Upgrading - pressure swing adsorption
  • Upgrading - membrane
Food processing
  • Freeze drying
  • Vacuum cooling
  • Meat marinators
  • Meat tumblers
  • Meat cutters
Hospitals and healthcare facilities
  • Vacuum-assisted closure (VAC)
  • Medical suction
  • Surgical vacuum draining
  • Round-table/Carousel packaging machines
  • Tray sealers
  • Thermoforming packaging machines - Sealing/evacuation station
  • Central vacuum system, single pipe
  • Central vacuum systems, multi pipe
  • Chamber packaging machines large, industrial
  • Chamber packaging machines free-standing
Wastewater treatment
  • Water priming
  • Vacuum sewerage
  • Vacuum disposal
  • Ground water removal


  • IEC (IE3) and NEMA motors
  • Multi-voltage, multi-frequency motors (IE3) for variable speed drive
  • Single or double gas-ballast valve, manual or solenoid operation
  • Various inlet filters
  • Various temperature and pressure gauges
  • Starter units
  • Energy recuperation kit with water/oil heat exchanger
  • Vacuum pump oils for all applications