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AGAS - Together we can

R434A (RS-45)

R434A (RS-45) is a HFC blend, used as a replacement for R22 in low, medium and high-temperature refrigeration applications.

Product Information







  • Available from A‑Gas wholesale partners - find your local distributor near you for further details
  • A‑Gas product cylinders are fitted with a Residual Pressure Device (RPD) to ensure used refrigerant or any other substance cannot be reintroduced into a cylinder
  • Store cylinders in a cool, dry, well-ventilated area, out of direct sunlight
  • A‑Gas operates a returnable cylinder fleet - empty cylinders are to be returned to an A‑Gas wholesale partner
  • With a Global Warming Potential (GWP) of 3238, R434A (RS-45) is coming under scrutiny
  • For alternative or larger package sizes please contact A-Gas on 1800 002 427 or via the Contact Us form


Commercial Refrigeration

Commercial Air-Conditioning

Industrial Air-Conditioning

Industrial Refrigeration


*Flooded systems down to -35°C

Product Features and Benefits

  • Substitute for R22
  • Zeotropic refrigerant blend containing R125, R143a, R134a and Isobutane
  • Refrigerant must be charged from the liquid phase to ensure accurate composition
  • A‑Gas refrigerant cylinders have dual port valves, making liquid offtake easier
  • Non-flammable with a safety classification of A1
  • Compressors can be charged with most current oils, however polyolester is preferred - contact the compressor manufacturer for more information
  • Effective in low, medium and high-temperature applications
  • Considerably lower discharge temperature than R22
  • Similar mass flow rate to R404A

The information contained within this website is for guidance only - for further system-specific advice please contact us directly.

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