Clean Agent Fire Extinguishers

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For years, people used Halon 1211 fire extinguishers to protect sensitive processes, data, and equipment – anything that could have been further damaged by water or corrosive dry chemicals. Unfortunately, over the last decade or so Halon has been found to damage the ozone layer, and as of 1994 new production of Halon has been outlawed. While this is good news for the environment, it’s bad news for companies who need fire protection but can’t afford to rely on fire extinguishers that use water or corrosive chemicals! Fortunately, a variety of clean agent fire extinguishers have been introduced to fill the void left by the halted production of Halon.

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Like CO2, clean agent fire extinguishers store their extinguishant in pressurized liquid form, which quickly expands and evaporates when it hits the air. Clean agent extinguishers are effective on Class A, B, and C fires and are electrically nonconductive. Clean agent extinguishers put out a fire by cooling and smothering it, but aren’t so cold that they’ll damage electronics. These extinguishers are EPA-approved and have no ozone depletion potential. Some common places where clean agent fire extinguishers are used include: