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FETA working group and guidance document focus on A2L refrigerants
2017/05/17
15 May 2017
FETA (the Federation of Environmental Trade Associations) has set up a new A2L refrigerants working group and has released a guidance note entitled ‘An introduction to A2L refrigerants and their use in Refrigeration, Air Conditioning and Heat Pump applications’.
 
Introduced in 2015, the F-Gas regulation requires the introduction of refrigerants with significantly lower Global Warming Potential (GWP) and will ban new equipment which uses hydrofluorocarbon (HFC) refrigerants with a GWP of over 2,500 by the year 2020. As a result of this regulation, new refrigerants are being developed by manufacturers; in many cases these are pure, or blended, HFOs (Hydro Fluoro Olefins).
 
In order to attain the lowest possible GWP, some of these new refrigerants do exhibit lower flammability (sometimes referred to as “mild flammability”). To recognise this, and their difference from higher flammability refrigerants such as hydrocarbons (classified as A3), a new A2L classification has been introduced by ASHRAE. (HFCs are non-flammable and classified as A1)
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