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Becker_VARIAIR KDT 3.100 0-400

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Rotary vane compressors, oil-free

Becker VARIAIR KDT series compressors are low pressure, dry-running displacement pumps with a VARIAIR frequency inverter. They are designed to operate on a continuous duty basis at any pressure level to +1.5 bar. The oil-free VARIAIR KDT series dry rotary vane pumps utilise self-lubricating, graphite composite vanes, specifically engineered for Becker pumps. No oil to change and only minimal maintenance is required.


Each VARIAIR KDT series pump comes standard with:

  • VARIAIR frequency inverter
  • Built-in, large inlet filter
  • Pressure relief respectively safety valve
  • Vibration isolators

Product information / specifications

Volume flowPressure relativeInverter PowerHz
VARIAIR KDT 3.80/0-40077 m³/h+1.5 bar4.0 kW30…60 Frequency
VARIAIR KDT 3.100/0-400118 m³/h+1.5 bar7.5 kW30…60 Frequency
VARIAIR KDT 3.140/0-400150 m³/h+1.5 bar7.5 kW30…60 Frequency


  • 100% dry-running (oil-less) operation
  • Quiet operation
  • Long vane life
  • Continuous duty rated
  • Air-cooled
  • Single shaft direct drive
  • Compact design
  • Variable frequency


  • Low operation and maintenance costs
  • No cycling times
  • Quiet operation – no silencer enclosures necessary
  • Small footprint for space savings
  • Straightforward construction for fast and easy service on-site to reduce downtime


    Printing and Paper Industry

    Whether you need an individual unit or a system, Becker's vacuum pumps, compressors for blast air, and combined pressure/vacuum pumps are made for the various processes used in the printing and paper industry - from the pre-press stage, to sheet fed and digital presses, to the post-press.

    Environmental Industry

    Vacuum pumps and compressors from Becker are the preferred solution for sparging, wastewater treatment, and aeration.

    General Mechanical Engineering

    Becker provides customised vacuum pump and compressor solutions for numerous mechanical engineering applications across the world, such as conveying, transporting, fixing, lifting, handling, drying, cooling and many more.

  • Construction Industry
    Construction Industry

    Perfect for turning air into power, our vacuum pumps and compressors are built to withstand the high demands of working on construction sites.


    Pneumatic Conveying

    Low pressure and vacuum solutions are perfect for transferring powders, granules, flakes, and other small, dry, low bulk density products.

    Blowing & Injecting

    Compressors are used to build up pressure to supply air for the aeration of waste water, blast air for printing, wine presses, drainage system reliners, and other processes.


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