The vacuum pump configuration with a single shaft and direct drive results in a sturdy and durable unit with low maintenance and running costs. A non-return valve and efficient oil separation are integrated into each vacuum pump. A float valve reliably regulates the return oil intake, even in high pressure ranges. A gas ballast valve (as standard from U 5.70 and with increased volumetric flow as an option) prevents the condensation of steam as far as possible. The gas ballast lets a measured amount of fresh air enter the compression chamber. By mixing saturated intake air with unsaturated fresh air, condensing is kept to a minimum. In addition, the protective cover supplied as standard minimises noise emissions.

An optional water cooling system allows the pump to be operated in higher ambient temperatures or with higher intake temperatures; the service life of the lubricant is also significantly increased. A wide range of accessories complements the pump, making it ideal for various tasks.

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The highlights of series O 5.:

  • 3 compact model sizes from 4.0 to 9.6 m³/h
  • Small dimensions, low weight and easy to install
  • Gas ballast valve (from O 5.6) for ultimate pressures of 3.0 mbar absolute
  • O 5.4 and O 5.8 specially developed for the requirements of packaging systems
  • O 5.6 with especially sturdy construction for the widest range of general industry requirements
  • Available with numerous motor versions for worldwide use
  • Highly efficient air/oil separator element for most effective oil separation
  • Ideally suited for vacuum packaging of foodstuffs (meat, fish, cold meats, cheese…)

And for series U 5.:

  • 8 compact model sizes from 70 to 780 m³/h
  • Easy to install
  • Fastest pump-down times in comparison
  • Integrated gas ballast valve, optional 3 mbar absolute
  • Highly efficient cooling allows operation without heat exchanger (U 5.70 & U 5.100)
  • Lower installed motor power in direct comparison
  • Efficiency class IE3 motors as standard
  • Version for protective atmosphere packaging available (O2, N2 …)
  • Oil reservoir with two-stage oil separation
  • Highly efficient air/oil separator element for most effective oil separation
  • Oil filter for long oil service life
  • Smooth surfaces for quick and hygienic cleaning
  • Ideally suited for vacuum packaging of foodstuffs (meat, fish, cold meats, cheese…)
  • Extended characteristic diagram and functionality as an option through VARIAIR control technology in various model sizes

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