R744 is a high purity carbon dioxide (CO2) based refrigerant gas
The low moisture content enables the refrigerant to work more effectively and more importantly, have less corrosive impact on your refrigeration systems. CK Supply has been a leading supplier of refrigerants for over 40 years, operating in 40 countries in 5 continents. We have long experience working with natural refrigerants. We are a leading global producer of industrial carbon dioxide, providing strong operational capabilities for R744. Our industrial gases heritage also provides extensive experience in logistics and a wide product range including leak detection, cutting and welding gases.
Carbon dioxide has been used as a refrigerant since the mid to late 19th century. With the introduction of fluorocarbons in the 1930s, CO2 fell out of use by the 1950s. However, due to its low environmental impact, CO2 is now re-gaining popularity from refrigeration system designers when an alternative to fluorocarbons is being sought. CO2 suitable for use as a refrigerant is commonly
Advantages of R744
R744 is now regaining popularity due to a number of advantages:
- Low toxicity
- Non-flammability
- Zero ozone depletion potential
- Very low global warming potential (GWP=1)
- Excellent thermodynamic properties and low energy requirements
Common Applications
Applications include static and mobile air conditioning systems, chilled warehousing, commercial refrigeration, chill cabinets and vending machines, industrial heat extraction, process chilling, low and ultra-low temperature applications. R744 is often used as secondary refrigerant, for example, alongside ammonia.
