Foam extinguishers, while effective for Class A and B fires, are generally considered a secondary option for kitchens as they do not provide the same cooling and sealing effect as wet chemical solutions. Water droplets flash into steam upon contact with superheated oil, causing violent eruptions that send burning droplets across a wide area, effectively turning a contained fire into an uncontrollable inferno.
Using Oil Fire Extinguisher PASS Method Steps
They work by discharging a fine, misty stream of potassium acetate solution. This layer acts as a soapy foam blanket that floats on top of the oil, sealing the surface and preventing oxygen from fueling the fire.
It should be placed where the staff can reach it without traversing the main exit route, which could become blocked by fire or smoke. Operational Procedure and Safety In the event of an oil fire, the instinct to douse the flames with water must be actively suppressed.
Using Oil Fire Extinguisher PASS Method Steps
Many modern units are certified for both Class A (solids) and Class F fires, or Class B (liquids) and F fires. Kitchen staff should never attempt to move a burning pot or pan, as this significantly increases the risk of severe burns from splattering oil.
More About Oil fire extinguisher
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