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HR StarCO2mpressor
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HR StarCO2mpressor

Types Displacement at 50 Hz (2900 rpm) m³/h
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HR StarCO2mpressor - Radial Piston Compressor for CO2 (transcritical)

  • Innovative drive gear design with cylinders arrayed in star shape, designed for transcritical use with R744 refrigerant
  • Welded robust steel housing for lowest leakage potential and high reliability in mobile applications
  • Max. permissible over pressure LP 100 bar, HP 150 bar
  • Lowest weight (81 kg) and low height (219 mm) perfect for space saving roof installations and critical installation situations
  • Wide speed range from 12,5 Hz to 75 Hz (HR60 to 65 Hz) for optimum coverage of heat pump performance and thermo management requirements.
  • Optimized robust and efficient valve design for mobile use
  • Special oil management with high-performance oil pump: constant oil supply up to 22° inclination during continuous operation, 30° short-term
  • Two sizes: HRX40 (7.3 m³/h @ 50Hz - 2900 1/min), HRX60 (10.9 m³/h @ 50Hz - 2900 1/min)
  • Further information please see and the product brochure Naturally innovative solutions for electric bus and railway thermo management
  • If you are interested in this compressor series, we look forward to receiving your enquiry at