Choosing Fire Extinguishers
Identify the type of materials in the area
Class A: SOLIDS such as paper, wood, plastic etc
Class B: FLAMMABLE LIQUIDS such as paraffin, petrol, oil etc
Class C: FLAMMABLE GASES such as propane, butane, methane etc
Class D: METALS such as aluminium, magnesium, titanium etc
Class E: Fires involving ELECTRICAL APPARATUS
Class F: Cooking OIL & FAT etc
In the second week of staying in NTMA, I learned that life onboard and work onboard is one of the most dangerous professions, and I learned that fire on board is one of the problem on the ship aside from this dialing with others . Choosing a kind of fire extinguisher is to save us our lives. There are different classes of fire. CLASS A solids such as woods papers and plastics, Water Fire Extinguishers: The cheapest and most widely used fire extinguisher. Used for Class A fires. Not suitable for Class B (Liquid) fires, or where electricity is involved. CLASS B such as FLAMMABLE LIQUIDS such as paraffin, petrol, oil etc. Foam Fire Extinguishers: More expensive than water, but more versatile. Used for Classes A & B fires. Foam spray extinguishers are not recommended for fires involving electricity, but are safer than water if inadvertently sprayed onto live electrical apparatus. CLASS C such as FLAMMABLE GASES such as propane, butane, methane etc. Dry Powder Fire Extinguishers: Often termed the ‘multi-purpose’ extinguisher, as it can be used on classes A, B & C fires. Best for running liquid fires (Class B). Will efficiently extinguish Class C gas fires, BUT BEWARE, IT CAN BE DANGEROUS TO EXTINGUISH A GAS FIRE WITHOUT FIRST ISOLATING THE GAS SUPPLY. Special powders are available for class D metal fires. CLASS D such as METALS such as aluminium, magnesium, titanium etc. CO2 Fire Extinguishers:
Carbon Dioxide is ideal for fires involving electrical apparatus, and will also extinguish class B liquid fires, but has NO POST FIRE SECURITY and the fire could re-ignite. CLASS E such as Fires involving ELECTRICAL APPARATUS, For Metal Fires: A specialist fire extinguisher for use on Class D fires - metal fires such as sodium, lithium, manganese and aluminum when in the form of swarf or turnings. CLASS F such as Cooking OIL & FAT etc, Wet chemical Specialist extinguisher for class F fires.
Identify the type of materials in the area
Class A: SOLIDS such as paper, wood, plastic etc
Class B: FLAMMABLE LIQUIDS such as paraffin, petrol, oil etc
Class C: FLAMMABLE GASES such as propane, butane, methane etc
Class D: METALS such as aluminium, magnesium, titanium etc
Class E: Fires involving ELECTRICAL APPARATUS
Class F: Cooking OIL & FAT etc
In the second week of staying in NTMA, I learned that life onboard and work onboard is one of the most dangerous professions, and I learned that fire on board is one of the problem on the ship aside from this dialing with others . Choosing a kind of fire extinguisher is to save us our lives. There are different classes of fire. CLASS A solids such as woods papers and plastics, Water Fire Extinguishers: The cheapest and most widely used fire extinguisher. Used for Class A fires. Not suitable for Class B (Liquid) fires, or where electricity is involved. CLASS B such as FLAMMABLE LIQUIDS such as paraffin, petrol, oil etc. Foam Fire Extinguishers: More expensive than water, but more versatile. Used for Classes A & B fires. Foam spray extinguishers are not recommended for fires involving electricity, but are safer than water if inadvertently sprayed onto live electrical apparatus. CLASS C such as FLAMMABLE GASES such as propane, butane, methane etc. Dry Powder Fire Extinguishers: Often termed the ‘multi-purpose’ extinguisher, as it can be used on classes A, B & C fires. Best for running liquid fires (Class B). Will efficiently extinguish Class C gas fires, BUT BEWARE, IT CAN BE DANGEROUS TO EXTINGUISH A GAS FIRE WITHOUT FIRST ISOLATING THE GAS SUPPLY. Special powders are available for class D metal fires. CLASS D such as METALS such as aluminium, magnesium, titanium etc. CO2 Fire Extinguishers:
Carbon Dioxide is ideal for fires involving electrical apparatus, and will also extinguish class B liquid fires, but has NO POST FIRE SECURITY and the fire could re-ignite. CLASS E such as Fires involving ELECTRICAL APPARATUS, For Metal Fires: A specialist fire extinguisher for use on Class D fires - metal fires such as sodium, lithium, manganese and aluminum when in the form of swarf or turnings. CLASS F such as Cooking OIL & FAT etc, Wet chemical Specialist extinguisher for class F fires.
Warning: when used indoors, powder can obscure vision or damage goods and machinery. It is also very messy.
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