Jauhesammuttimet
Jauhesammuttimet are a type of fire extinguisher widely used in Finland and other parts of the world. They contain a dry powder extinguishing agent, typically a monoammonium phosphate-based chemical, which is expelled under pressure. This powder is effective on a wide range of fire classes, including Class A (ordinary combustibles), Class B (flammable liquids), and Class C (flammable gases). They are also suitable for electrical fires up to a certain voltage rating, indicated on the extinguisher.
The extinguishing mechanism of a powder extinguisher involves a combination of smothering and chemical inhibition. The
When operating a jauhesammutin, the user typically pulls a safety pin, aims the nozzle at the base