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Wet Chemical Extinguishers

Wet Chemical Extinguishers

Class F extinguisher

Standard size of 75f - equivalent to a 75 litre test fire



The chemicals contained within the extinguisher react with the heat and the frying media creating a crust on the surface with a porridge like consistency (known as soaponification), which extinguishes the fire in just a few seconds (5 - 10). The extinguishant also permeates through the frying media and makes any chance of re-ignition impossible.

Extinguisher has a diffuser nozzle at the end of the lance redusing the discharge pressure so that a fine mist covers an area approximately 1.5m x 1.5m, which means it can be sprayed directly onto the surface of the fire without a flash back risk to the operator. At this point, the pan/fryer lid can be closed, heat turned off and operation of the business, using the rest of the range, can continue.

For an extinguisher with a rating of 75f, the maximum area for two extinguishers would be 0.4 square metres. The maximum area for one extinguisher would be 0.11 square metres.


After a cooling period of 2 hours the pan/fryer can be cleaned out and if the fryer has not been damaged by the fire, refilled and put straight back to use. The frying media and extinguishant can be disposed of with normal waste.
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