• Gas cooled semi-hermetic 4-cylinder piston compressor
  • Subcritical CO2 operating conditions
  • Displacement from 12,7 to 22,3 m³/h (50 Hz)
  • Also available: Gas-cooled HG4 CO2 compressor from 27,1 to 48,2 m³/h (50 Hz)


Description

  • Gas cooled semi-hermetic 4-cylinder piston compressor
  • Subcritical CO2 operating conditions
  • Displacement from 12,7 to 22,3 m³/h (50 Hz)
  • Also available: Gas-cooled HG4 CO2 compressor from 27,1 to 48,2 m³/h (50 Hz)

Technical Specifications

  • High efficiency at low temperature applications (< -15°C)
  • Designed for subcritical CO2

  • LP 40 bar
  • HP 55 bar

  • High durable drive gear (e.g. special bearings, bearing shells, hardened pistons)
  • Oil pump (optimal oil circulation, optional oil pressure control)
  • Low oil carry over
  • Strong motor for wide operating conditions
  • (condensing temperature up to 15°C and evaporation temperature up to -15°C)
  • Motors for variable speed control with possible frequency range 25-70 Hz
  • Optimised bore and stroke ratio for high efficient valve plates
  • Optimised thermal separation and gas flow in the whole compressor for best efficiency
  • Equipped with compressor protection tool

Advantages

  • 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
  • One of the biggest capacity ranges [> 48 m³/h (subcritical)]

Applications

  • Commercial refrigeration
  • Industrial refrigeration

MORE INFORMATION

GEA Bock CO2 Compressors



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