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With the phase out of the most commonly used but ozone damaging Halon 1301 fire suppressant, two classes of replacement agents — inert gases and halocarbons — are becoming globally acceptable alternatives.
Proven safety for people, property and the environment were natural requirements in addition to the desirable properties of effectiveness, cleanliness and zero secondary damage.
Inert gases are the best choice for extinguishing agents as they extinguish fires by oxygen depletion by lowering the normal oxygen concentration in the air from 21% to about 12%, below the limit required for combustion whilst still providing a safe and breathable atmosphere.
The composition of naturally occurring gases of inertec55 is a preferred choice as it provides users with all the advantages of an internationally accredited and environmentally friendly protection solution without the high costs of traditional implementation of equivalents.

The Montreal Protocol in 1987* and more recently, the Kyoto Protocol** of 2005 required that in addition to protecting lives and properties from fire, safeguarding the environment now plays an equally important role in the development of today’s fire suppression agents. As a result, SRI introduced the inertec55 fire suppression system which meets all the three objectives of a responsible and modern fire protection system;
inertec55 is a gaseous clean fire suppressant comprised of 50% nitrogen and 50% argon, all of which are naturally accruing gases. As inertec55 is derived from gases present in the atmosphere, it exhibits no ozone depleting potential, does not contribute to global warming, nor does it contribute unique chemical species with extended atmospheric lifetimes. Because inertec55 is totally composed of atmospheric gases, it does not pose the problems of toxicity associated with the chemically derived Halon alternatives.
inertec55 fire suppression systems are developed to meet and exceed international standards and have been approved by SCHADENVERHUTUNG.

Almost all fires are extinguished at the oxygen concentration level of below 15%. inertec55 fire suppression systems reduces the oxygen concentration to around 12.5% to 10.5%, a level which is acceptable to human exposure over short periods of time.

One of the advantages of the inertec55 fire suppression agent is that it won’t produce a fog, so that occupants are not visibly impaired on the way to the exit. Furthermore, the inertec55 fire suppressant is non-toxic, and more importantly, it will not break down into toxic or corrosive decomposition by products. Halocarbon alternative agents can create dangerous levels of hydrogen fluoride when they contact with fire.

• Produces no condensation or temperature shocks that can cause harm to equipment.
• Produces no harmful or decomposition by products upon contact with heat or fire.
• Produces no residue to clean up, is colourless, odourless and electrically non-conductive.

That’s why inertec55 fire suppression systems are ideally suited for the protection of sensitive electronics and delicate irreplaceable assets.
Although the NFPA standards allows up to sixty seconds for inert gas discharge, the inertec55 fire suppression system actually extinguish fire faster than this.
With virtually the same density as air, the inertec55 fire suppressant spreads quickly throughout the protected area and holds its concentration longer to snuff out fires in their early stages. Most other Halon alternatives sink to the floor and seep under doors and wells.
inertec55 is also suitable for gas and liquid class B fires in addition to class A surface fires involving material such as wood, cloth and paper. However, it is not suitable for fires in substances that generates oxygen, like some reactive metals.

Inertec55...
System & Operation