R-407A

R-407A is a mixture of gasses used as a refrigerant. It is a zeotropic blend of difluoromethane (HFC-32), pentafluoroethane (HFC-125) and 1,1,1,2-tetrafluoroethane (HFC-134a).[1] R-407A was developed as a close match to R-22's capacities and flow rates, making it well suited as an energy efficient retrofit for R-22 in medium and low temperature refrigeration systems for supermarket and food storage applications, but not for air conditioning systems or those with flooded evaporators.[2] It must be used with synthetic oils.[3] Its global warming potential is 2107.[4]

References

  1. ↑ MSDS for R407A
  2. ↑ Arkema, Inc. - Forane Refrigerants
  3. ↑ BOC Ltd. - List of traditional HFCs
  4. ↑ http://www.arkema-inc.com/index.cfm?pag=1598
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