Useful Information

Class of Fire Details Extinguisher Description Extinguisher WARNING Other Extinguishing Agents That Can Be Used
Class A A Fire involving materials that leave an ash residue such as:
  • paper, wood
  • fabrics
  • rubber
  • plastics, etc.
Water Extinguisher Contains 9 liters of water, stored under pressure, Jet of water approx. 6 meters. Removes the heat from the fir This extinguisher must not be used on or near:
  • electrical equipment
  • flammable liquids
  • cooking oil
  • A D/P, CO2 & Foam
A D/P, CO2 & Foam
Class B A Fire involving flammable liquids such as:
  • petrol
  • oils
  • grease
  • ethylated spirits, etc.
Foam Extinguisher Contains a water and foam solution under pressure A blanket of foam seals off the flammable vapors and oxygen. Jet of foam is approx. 5 meters. This extinguisher must not be used on or near electrical equipment. Warning: Flashback re-ignition is possible when using a D/P or CO2 extinguisher.
Class C A Fire involving flammable gases such as:
  • LP Gas
  • hydrogen gas
  • natural gas
  • acetate, etc.
Dry chemical Powder (DP) Extinguisher The dry chemical powder extinguishes the fire by excluding oxygen and interrupting the chemical reaction of the fire. Period of operation dependent upon size. Fire involving flammable gases should not be extinguished until gas can be shut off. It may be hazardous to remain in an enclosed space when a dry chemical extinguisher is discharged. May cause damage to sensitive or delicate equipment.
Class D A Fire involving flammable metals such as:
  • magnesium
  • sodium, etc.
Specialized Dry Chemical A specialized dry chemical powder is required.Generally found in laboratories and foundries.NB: Color may vary according to manufacturer and type of contents. Specialist training required for this particular extinguisher. Note: Contact your local fire service for further advice.
Class E A Fire involving electrical equipment such as:
  • switch boards
  • electric motors
  • televisions
  • computer
Dry Chemical Powder and Carbon Dioxide (CO2) Extinguishers the fire by excluding the oxygen. These fires should always be treated as electrically ALIVE. Isolate the power supply. It may be hazardous to remain in an enclosed space when a CO2 extinguisher is discharged. Note: Vaporizing liquid extinguishers can be used on Classs A & B Fires.
Class F Fires involving:
  • cooking oil
  • fats, etc.
Wet Chemical Extinguisher The wet chemical is applied like foam to seal the surface of the cooking oil. Generally found in industrial type kitchens. Specialist training required for this particular extinguisher. Warning: Must have appropriate rating for cooking oil & fat fires (Rating-B:(E) Only). A Fire Blanket can be used to extinguish the fire.
In addition, Victorian Fir Protection is a sponsor of “Melbourne Body Corporate Menagement” and has worked closely in this industry for many years. Our list of customers is varied and extensive – from small business right through to large residential and commercial buildings, including public and private organisation, and schools. (Client endorsements are available on request)
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