Fire Extinguishers & Fire Alarms, Ireland
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fire extinguishers ireland Fire Extinguishers If you run a business or maintain a building it’s your legal responsibility to provide and maintain adequate fire alarms & fire extinguishers.
More importantly, hand held fire extinguishers can help you to contain small fires and prevent minor incidents from becoming more serious.
Before you choose a particularly product, it’s important that you understand what type of fire extinguisher you require.
Fires have been divided into six classes based on the fuel involved. Particular fire extinguishers are suitable for particular classes of fire but not all. Your choice should be based on the likely fuel for any fire in a given area.
Class A: Fires based on flammable solids such as wood, furniture, textiles and some plastics
Class B: Fires involving flammable liquids or liquifiable solids such as petrol and oil
Class C: Fires involving flammable gases
Class D: Fires involving combustible metals including sodium, magnesium and potassium
Class E: Fires involving any materials found in Class A and B fires, but including electrical appliances, wiring or any electical products that match be close to the area of the fire
Class F: Fires involving cooking fats and oils. These fires reach very high temperatures, in excess of other flammable liquids.
Water extinguishers work by cooling the material that’s burining. They are effective on class A fires.
APW (Air Pressurised Water) extinguishers are effective on Class A fires. They are relatively harmless and cause little mess following use.
Water mist extinguishers use a fine mist of water to prevent the conduction of electricity bac to the operator. They are suitable for Class A and Class C fires and are widely used in areas where the fact that the extinguishing agent is harmless is a priority eg., hospitals.
Foam extinguishers work by forming a frothy blanket or seal over a fuel, preventing oxegen from reaching it and effectively smothering the fire. Unlike powder extinguishers a foam can be used without flashbacks.
AFFF (Aqueous Film Forming Foam) extinguishers are used to supress vapour on Class A and B fires.
AR-AFFF (Alcohol Resistant Aqueous Film Forming Foam) are suitable for use on fuel fires containing alcohol.
Dry powder extinguishers work by preventing chemical reactions involving heat, fuel and oxygen. They halt the production of the free radicals that fuel a fire and thus cause the fire to go out.
ABC Dry Powder extinguishers can be used on Classes A, B and C fires plus electrical fires.
Carbon Dioxide extinguishers remove heat from the combustible area or inhibt chain reactions within the fire. They are sometimes called Clean Agency extinguishers as they don’t leave a residue when used.
These extinguishers are suitable for use on class B and electrical fires.
Wet Chemical extinguishers help to control a fire by forming a soapy foam over a burning oil and cooling that oil to a temperature below its ignition temperature. They are generally used on Class F fires only however, some models, which utilise a misting nozzle are suitable for use on Class A fires also.
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Fire Safety Express provide professional fire extinguishers and fire safety equipment supply, fit and maintenance. They provide Irish businesses with peace of mind
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2012 11/15 CATEGORY fire safety 1 comment
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