New and optimized semi-hermetic CO2 compressors

In many regions, the natural refrigerant CO₂ has become an established alternative to conventional HFC refrigerants. GEA Refrigeration Technologies now presents an extended and optimized range of semi-hermetic GEA Bock compressors for subcritical as well as transcritical CO₂ applications.

An entirely new model is the HG46CO2T semi-hermetic 6-cylinder reciprocating compressor, which is currently one of the largest semi-hermetic reciprocating compressor on the market for transcritical CO₂ applications.

This compressor is characterized by displacements from 21.8 to 30.2 m³/h and a very good COP (coefficient of performance) due to a volumetric and isotropic efficiency of more than 0.7 for medium-temperature cooling.

It is based on the already available 4-cylinder GEA Bock HG34CO2T model – the first GEA Bock compressor that was specifically developed for the requirements of the refrigerant CO₂.

Since its market launch, the compressor has been used in classical refrigeration applications and in numerous industrial heat pumps, also with maximum COP.

The GEA Bock CO₂ compressor range will be rounded off by the efficiency-optimized version of the subcritical compressor series HG12e. The compact, semi-hermetic 2-cylinder reciprocating compressors in combination with transcritical applications can be used outstandingly in low-temperature applications.