FIRE RATINGS
Fire Extinguishers are given ratings for one or more of the above classes of fire with a numerical prefix which determines the strength of fire the extinguisher should be capable of dealing with. The table below gives a quick approximate guide to extinguishers and fire ratings.
Extinguisher | Rating | Extinguisher | Rating |
---|---|---|---|
Water 9 litre | 21A | Carbon Dioxide 2kg | 34B |
Water plus additive 3 litre | 21A | Dry Powder 2kg | 13A 70B C |
Water plus additive 6 litre | 13A | Dry Powder 4kg | 21A 113B C |
AFFF 9 litre | 21A 144B | Dry Powder 6kg | 34A 183B C |
AFFF 6 litre | 21A 144B | Dry Powder 9Kg | 43A 233B C |
AFFF 3 litre | 13A 55B | Wet Chemical 6 litre | 8A 40F |
AFFF 2 litre | 8A 55B | Dry Powder 9Kg | 13A 75F |
EXTINGUISHER CLASSES
Symbol | Class | Use |
---|---|---|
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Class A | SOLIDS such as paper, wood, plastic etc. |
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Class B | FLAMMABLE LIQUIDS such as paraffin, petrol, oil etc. |
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Class C | FLAMMABLE GASES such as propane, butane, methane etc. |
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Class D | METALS such as aluminium, magnesium, titanium etc. |
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Electrical | Fires involving ELECTRICAL APPARATUS. |
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Class F | Cooking OIL & FAT etc |
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