Inergen
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Inergen agent is a mixture of inert atmospheric gases. It is used as a fire extinguishing agent in gaseous fire suppression installations. As it does not contain halocarbons, it has no ozone depletion potential and it is non-toxic.
Inergen is composed of 52% nitrogen, 40% argon, and 8% carbon dioxide.
In 40-50% concentrations Inergen can make the mixtures of methane/air and propane/air non-flammable by diluting their oxygen and fuel content.
Halocarbon systems require significantly smaller storage space than Inergen tanks, and in some cases are less costly.
