GEA Bock semi-hermetic compressors CO2

  • Gas-cooled semi-hermetic piston compressor
  • Subcritical CO2 operating conditions
  • Displacement from 1,6 to 48,2 m³/h (50 Hz)
  • Operating pressures of up to 51 bar (15°C)
  • Designed for subcritical CO2: LP 40 bar (27 bar) / HP 55 bar
  • Highest efficiency at low temperature applications (to < -15°C)

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  • See table below in tabs for specifications of all types.
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Based on our current semi-hermetic product range, with its outstanding advantages and features, as well as the derived and long-used basic range, there is now a perfectly matched compressor series available for use with CO2 in sub-critical cascade systems. They are particularly suited to supermarket applications and industrial cooling systems.

Special Features

  • High compressor efficiency for low operating costs
  • High durable compressor design
  • Wide operating limits and wide frequency range for different applications
  • Continuously variable speed control system available as a plug & play accessory
  • Consumes up to 25% less energy compared to compressors using a usual capacity regulator
  • Good operational characteristics with low vibration, pulsations and low noise levels
  • High stand still pressure for best operating conditions
  • Applications: Commercial refrigeration, industrial refrigeration

More information about the HG single-stage compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link:

Please see next tabs for all types and specifications

Types HGX ../.. 4S CO2

TypeDispl. [m3/hr]E-motorImax [A]SVDVOil [ltr][kg]
HGX12e/20-4S CO21,6A4,0 / 2,316mm12mm0,849
HGX12e/30-4S CO22,6A6,0 / 3,516mm12mm0,849
HGX12e/40-4S CO23,6A8,3 / 4,816mm12mm0,850
HGX12e/50-4S CO24,5A9,7 / 5,616mm12mm0,850
HGX12e/60-4S CO25,4A12,5 / 7,216mm12mm0,854
HGX12e/75-4S CO26,4A14,3 / 8,216mm12mm0,854
HGX22e/85-4S CO27,5A15,6 / 9,022mm16mm0,983
HGX22e/105-4S CO29,2A18,5 / 10,722mm16mm0,983
HGX22e/130-4S CO211,2A22,3 / 12,922mm16mm0,983
HGX34e/145-4S CO212,7A26,3 / 15,228mm22mm0,8103
HGX34e/170-4S CO214,9A30,1 / 17,428mm22mm0,8103
HGX34e/210-4S CO218,4A36,7 / 21,228mm22mm0,8102
HGX34e/255-4S CO222,3A44,8 / 25,928mm22mm0,8104

Types HGX ../.. 4 CO2

TypeDispl. [m3/hr]E-motorImax [A]SVDVOil [ltr][kg]
HGX4/310-4 CO227,1B27,228mm22mm2,7152
HGX4/385-4 CO233,5B28,728mm22mm2,7151
HGX4/465-4 CO240,5B36,535mm28mm2,7154
HGX4/555-4 CO248,2B38,235mm28mm2,7157