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Everything R744




GEA Bock has developed a complete semihermetic, electrical driven compressor-series for transcritical R744 applications like industrial and commercial refrigeration or air-conditioning. 

Basic specifications

  • Type of Construction: semihermetic piston compressor with fixed displacement
  • Actuator: integrated gas cooled electric motor 4- pole version (1.500 rpm)
  • Swept volume: 6.2 - 11.5
  • Number of cylinders: 2
  • Maximum speed of rotation: 1.800 rpm
  • Compressor Dimensions (L/W/H): 650 x 300 x 400 mm
  • Overal Weight: 160 kg
  • Oil: Bock C55E (Synthetic Oil)
  • HP and LP savety valves
  • Motor winding protection with PTC sensors and GEA Bock Motor protection Unit MP10
  • Terminal Box IP65


  • Wear-resistant, long-life mechanism
  • Reliable and safe oil supply through pump lubrication
  • Good operational characteristics through solid total construction
  • Appropriately sized drive motors, available in suction gas-cooled or air-cooled versions, replaceable
  • Suction and discharge connections using compression joints for steel pipes (without shut-off valves)
  • Safety valves for the suction and discharge area
  • Electrical connection box to IP54 with GEA Bock MP10 motor protection

More Information


GEA Bock CO2 Compressors

Semi-hermetic Compressors for the Refrigerant R744
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