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Refrigerant News
Thursday 8th December 2022

Refrigerant - Flammability

Safety - Energy Efficiency  - Environmental Impact

Refrigerants (natural or man-made chemicals) used in a DX Cycle, are controlled substances due to their,
a) high pressures (up to 30 bar / 440 psi),
b) extreme temperatures (-50˚C to 140˚C),
c) flammability (A1, A2, A3 class) &
d) toxicity (B1, B2 B3 class) 
According to ISO 817 and ASHRAE 34 Standards & Classification
Flammability Test report by internationally recognised Underwriters Lab (UL)
* UL (Underwriters Laboratories)  UL Certification is an international testing lab certifying safety of products including fire tests of individual components. (note in the USA imported products must have UL Certification). Building Safety Bill was the result of the Grenfell enquiry.

2021 Test
UL*/AHRI A2L class R32 Test Report - extra precautions required by the fire authority:
This report & test clearly establishes that A2L R32 is flammable 🔥. BUT it ASS-U-MEs that equipment manufacturers clearly display warnings when flammable🔥 materials are used or present! to meet Health & Safety 2016 no.1107 & Advertising Standards Authority (ASA) CAP Code.

Remember A2L class R32 is

2017 Test
UL*/ AHRTI A2L class 🔥 R32/R452B Test Report - Whole room-scale leaks & Ignition 

Benchmarketing risk by whole room-scale leaks and ignitions testing of A2L class (R32, R452B) 🔥 refrigerants

Did you know?

It is against the law to work with F gas (refrigerants) if you do not have the correct qualifications. You could receive a civil penalty for breaking the law. 

Industry Papers

How other countries handle flammable


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A2L Flammable R32

Grenfell Tower Disaster

H&S 2016  No.1107 

Space Air Policy 

Refrigerant Facts

Space Air Online News

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