R404a Refrigerant gas
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The Story
R404A is a non-flammable HFC blend refrigerant designed as a direct replacement for R502 and R22 in low and medium temperature refrigeration systems. With a safety classification of A1, it offers comparable physical and thermodynamic properties to R502, making it ideal for commercial refrigeration, ice machines, and cold storage. This near-azeotropic blend must be charged from the liquid phase and requires polyol ester (POE) oils for compressor compatibility.
add_circle The Upside
- check Direct drop-in replacement for R502 with similar performance
- check Non-flammable and safe for use in various refrigeration applications
- check Widely available and commonly used in commercial refrigeration
remove_circle The Downside
- close High global warming potential (GWP) compared to newer alternatives
- close Requires POE oils, which may necessitate compressor modifications
- close Must be charged as liquid to maintain correct blend composition
Specifications & features
Key features
- check_circle HFC blend replacement for R502 and R22
- check_circle Non-flammable with A1 safety classification
- check_circle Near-azeotropic blend of R125, R143a, and R134a
- check_circle Requires liquid phase charging for accurate composition
- check_circle Compatible with polyol ester (POE) oils
Specifications
Application
Low and medium temperature refrigeration
Charging Method
Liquid phase only
Composition
R125, R143a, R134a
Lubricant Required
Polyol ester (POE) oil
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