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ADVANTAGES of R744 REFRIGERANT (CO2)

CO2 (R744) is a natural refrigerant utilised as early as the beginning of the last century. It has long been replaced by chemical gases that operate at much lower pressure. Recently, due to the high environmental impact of chemical refrigerants, there has been a return to natural refrigerants—including CO2, which has the following characteristics:

  • No limitation of use anywhere in the world
  • Not harmful to the ozone ODP = 0
  • Zero risk to the environment GWP = 1
  • Non-flammable
  • Non-toxic
  • High volumetric cooling capacity (smaller compressors and tubes)
  • Low compression ratio
  • Low costs

CO2 has much higher pressure than other refrigerants, thus requiring the use of more robust components able to withstand such higher pressure.

Our exchanger has no pressure limits (having an elevated PS) and is hermetic. This permits use in a CO2 transcritical system, reducing the risk of loss of refrigerant and oil from the system.

ADVANTAGES of R744 REFRIGERANT (CO2)

CO2 (R744) is a natural refrigerant utilised as early as the beginning of the last century. It has long been replaced by chemical gases that operate at much lower pressure.

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