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KNW Series

KOBELCO KNW Series are designed, manufactured, assembled and tested to be the longest lasting and most energy efficient oil-free
compressors in the world.

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Since the first compressor manufactured in 1955, KOBELCO has stayed ahead of the competition with constant innovation and attention to quality, reliability and serviceability. Regardless of your industry, you can count on KOBELCO KNW Series oil-free compressors to protect your products and process from contamination.

Two-Stage Design

  • Heavy duty, two-stage compression module with thrust balancing for long bearing life in each stage.

Coated Rotors

  • ASTM 1144 steel rotors with exclusive PTFE coating on rotors and shafts for maximum efficiency and corrosion protection.

  • Gears and bearings are lubricated by a unique motor driven oil pump that provides positive lubrication prior to start-up, through operation and after shutdown.

Unique Design Features-Key design features ensure long air end life.

  • Non contact maintenance free air and oil seals

  • Thrust balance compensation

  • Cooling jackets

  • Dual vents to atmosphere ensure oil-free air

  • Vacuum degassed thrust and radial bearings

  • Premium AGMA rated gears

  • All models meet the requirements of NFPA 99 for use as a medical air compressor

Control Panel and HMI Display

  • The HMI display indicates real time operating conditions, pressures and temperatures

  • The color LCD graphic display and state-of-the-art touchscreen provides information directly to the operator including service indicators, alerts and shutdown alarms

  • Push buttons are provided for specific key control functions

  • Features an external USB port for easy data extraction or program updates

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