- R744 (CO2) is a refrigerant grade CO21. It is used as a replacement for R134a and R404A in ultra-low, low and medium temperature refrigeration applications1. R-744 is one of the oldest refrigerants in the world and was widely used before the popularity of CFC and HCFC refrigerants2. It is seen as the ‘perfect’ natural refrigerant as it is climate neutral and there is no flammability or toxicity risk3.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.R744 (CO2) is refrigerant grade CO2, used as a replacement for R134a and R404A in ultra-low, low and medium temperature refrigeration applications.www.agas.com/uk/products-and-services/refrigera…
R-744 Carbon Dioxide is one of the oldest refrigerants in the world. Its first usage can be traced all the way back to the nineteenth century. Before the popularity of CFC and HCFC refrigerants Carbon Dioxide was one of the most widely used refrigerants.
refrigeranthq.com/r-744-carbon-dioxide-refrigerant …R-744 is seen as the ‘perfect’ natural refrigerant as it is climate neutral and there is not a flammability or toxicity risk. It is rated as an A1 from ASHRAE. While it is non-toxic there is still risk if a leak occurs in an enclosed area as R-744 will displace the oxygen in the room and could cause asphyxiation.
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Learn about the properties, advantages and disadvantages of R744 (CO2) as a natural refrigerant for commercial refrigeration systems. Compare R744 with other refrigerants and …
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Jan 23, 2024 · CO₂ as a Refrigerant – Comparison of R-744 with Other Refrigerants. In post six of our CO2 as a Refrigerant blog series, I will compare CO 2 to traditional and emerging …