In extinguishing Class F fires, wet chemicals work by covering the flammable liquid using a blanket of foam. This foam blanket then forms a crust on top of the fat or cooking oil. As a result, the oxygen supply to the other elements of …
Holding the lance at arm’s length with the end hovering directly over the flames, aim the nozzle downwards onto the flames. With the lever in your other hand, …
How Does A Wet Chemical Fire Extinguisher Work?
How does wet chemical fire extinguisher work. It works by forming a soapy film on the surface of the fire. This is made possible by the wet …
People Also Ask how do wet chemicals extinguish a fire
How to use a wet chemical fire extinguisher?
How to use a wet chemical fire extinguishers: The wet chemical must be applied using the extended applicator or lance in slow circular movements, giving a gentle, yet thorough application in fine spray form, covering and emulsifying the burning cooking oil or fat to prevent re-ignition.
Where are chemical fire extinguishers used?
Wet chemical fire extinguisher uses span across these main locations: Restaurant kitchens: The most common place where oil fires occur is in restaurants. The fast and stressful pace at which cooks push food out can easily result in neglect and eventual fire.
How do you apply a wet chemical to a gas burner?
The wet chemical must be applied using the extended applicator or lance in slow circular movements, giving a gentle, yet thorough application in fine spray form, covering and emulsifying the burning cooking oil or fat to prevent re-ignition.
What type of fire extinguisher do you use for cooking oil?
Generally, wet chemical extinguishers are suitable for use on Class A & F Fires. The class A and F fires are fires involving cooking oils and fats (Class F fires), such as lard, olive oil, butter, vegetable oil, and on flammable solids (Class A), such as papers, woods, plastics, etc,
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Wet Chemical Fire Extinguisher – Why you need one? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher