Webinar: Evaluation of Fire Hazard of ASHRAE Class A3 Flammable Refrigerants


Register for March 22th’s webinar (12.30 to 2.00 pm ET) and listen relevant information about the recent Fire Protection Research Foundation report, “Evaluation of the Fire Hazard of ASHRAE Class A3 Refrigerants in Commercial Refrigeration Applications”.

As we know, refrigerants are divided into three groups according to flammability:

  • Class 1 indicates refrigerants that do not show flame propagation when tested in air at 21°C and 101 kPa;
  • Class 2 indicates refrigerants having a lower flammability limit of more than 0.10 kg/m at 21°C and 101 kPa and a heat of combustion of less than 19 kJ/kg;
  • Class 3 indicates refrigerants that are highly flammable as defined by a lower flammability limit of less than or equal to 0.10 kg/m3 at 21°C and 101 kPa or a heat of combustion greater than or equal to 19 kJ/kg.

With this webinar you’ll learn :

  • Assess the flammability risk versus charge size; and
  • Develop recommendations on how to prevent or mitigate the risks when using R-290 in commercial retail and kitchen applications.

According NFPA: “The study was needed to establish a technical basis for any changes to the current charge limits and to help determine whether A3 (hydrocarbon) refrigerants can replace non-flammable refrigerants in a broader range of refrigeration applications that require larger charges than currently allowed by standards”

If you like to listen this webinar, please register here

The National Fire Protection Association (NFPA) is a global nonprofit organization, established in 1896, devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards.

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