R442A (RS-50)


R442A (RS-50) is a HFC blend, used as a retrofit replacement for R404A, R22 and R507 in low, medium and high temperature refrigeration. The Global Warming Potential (GWP) of R442A (RS-50) is almost half that of R404A and R507.


  • Commercial Refrigeration
    Commercial Refrigeration
  • Industrial Refrigeration
    Industrial Refrigeration
  • Transport Refrigeration
    Transport Refrigeration

Packaging information

  • Contact A-Gas for pack sizes
  • Available from A-Gas wholesale partners. Use the "Find a supplier" box to the right 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
  • For alternative or larger package sizes please contact A-Gas on 0215518790 or via the Contact Us form

Product Features & Benefits

  • Substitute for R404A and R507 in existing equipment
  • Zeotropic refrigerant blend containing R125, R32, R134a, R227ea and R152a
  • 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 must be charged with polyolester oils, contact the compressor manufacturer for more information
  • Replacement for R22 in refrigeration systems
  • Effective at low, medium and high temperatures
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