fire extinguisher types and uses pdf

Fire Extinguisher Types And Uses Pdf

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However, with a number of different extinguishers for varying types of fire, knowing which extinguisher is right for you could save you a costly visit from your fire safety inspector or an even more costly fire damage bill. Below is a handy graphic that shows which fire extinguisher is required for each fire risk.

Search for crime statistics in your area. These classes are based on which fuels a fire starts with.

Cheshire Fire and Rescue Service

Search for crime statistics in your area. These classes are based on which fuels a fire starts with. Water fire extinguishers are the most popular fire extinguisher type and they are suited to class A fire risks.

They distribute water at a high pressure to extinguish flames. Water fire extinguishers are used for fires caused by textiles, coal, wood, cardboard, paper and fabrics. This causes the fire to burn much slower and ultimately, results in the flames being put out and fire being extinguished.

Being the most common fire extinguisher, the water type is used throughout most buildings in the UK. Common buildings that need water fire extinguishers are:. Water fire extinguishers need to be placed next to the exits on floors that have been identified as class A fire risks during your latest first risk assessment. Foam fire extinguishers are the most common type of extinguisher used for Class B fires.

Due to the fact that these fire extinguishers are water-based, they can also be utilized for Class A fires. Much like the water type, Foam fire extinguishers can be used for fires involving organic materials. In addition to these organic materials, foam extinguishers can also be used on flammable liquids including petrol or paint. Foam fire extinguishers work in two ways. Firstly, they create a cooling effect on the fuel that is responsible for causing the fire.

Secondly, when this extinguisher is used on burning liquids, the foaming agent inside the extinguisher Aqueous Film Forming Foam creates a barrier between the flames of the fire and the fuel. This ultimately extinguishes the fire.

Foam fire extinguishers are required for buildings where flammable liquids are stored and held. In addition to this, they are also required in buildings where organic materials are found.

Common buildings that need foam fire extinguishers are:. Foam fire extinguishers should be stored at exit points where either a class A or class B fire risk has been identified.

Dry powder extinguishers are commonly known as ABC extinguishers as they can be utilized in the event of a class A, B or C fire scenario.

However, this type of extinguisher should not be used in an enclosed space. This is because the powder can be easily inhaled and is very difficult to clean up after the fire has been extinguished. In addition to this, specialist dry powder extinguishers exist that are suited for fire caused by flammable metals. The dry powder fire extinguisher has a wide range of use scenarios including the following organic materials:. In addition to the above, they can also be used on flammable gases, such as Liquid Petroleum, electrical equipment and flammable liquids, such as petrol.

Specialist dry powder extinguishers are also available that such only be used on flammable metals such as titanium. Dry Powder fire extinguishers work by separating the fuel of the fire from the oxygen element or by removing the heating element of the fire triangle. Due to the fact these extinguishers should not be used in an enclosed space, they are mainly recommended for the following types of businesses:. Carbon dioxide fire extinguishers are the primary extinguisher used in extinguishing electrical fires.

You will often find CO2 extinguishers in computer server rooms or areas where a large number of electrical devices exist. The CO2 extinguisher can be used to extinguish electrical fires and fires involving flammable liquids such as petrol.

This type of fire extinguisher works by suffocating the fire with CO2, causing the oxygen to be displaced and the fire to burn out. The wet chemical fire extinguishers are used for Class F fires.

Class F Fires involve cooking oils and fats. Whilst this type of fire extinguisher can be used in Class A fires, it is recommended that you have a foam or water extinguisher to tackle a fire that fits into this class. This type of fire extinguisher works by creating a layer of foam on the surface of the burning oil or fat that starves the fire of oxygen.

The chemical that is contained within the extinguisher is potassium and upon pressing the trigger, the potassium is expelled as a fine mist. The potassium reacts with the oil or fact and creates a soapy like film on the surface of the fire. The spray itself also has a cooling effect that helps to eliminate the fire.

Once installed, your fire extinguishers need to be commissioned by law. Fire extinguishers are not compliant with UK fire extinguisher legislation until they have been commissioned, even if you have the right types and sizes of extinguisher in the right locations.

Once these checks have taken place by your BusinessWatch engineer, you will receive a certificate verifying that your extinguishers have been commissioned in accordance with UK regulations. We have two guides available completely free of charge to help ensure your business is fire safe.

Will answer all your questions on the process of installing a fire alarm system, guiding you down the right path to protecting your business and employees, and complying with fire safety legislation. Fire Risk Assessment Instant Quote Please use the form below to get an instant online quote for your fire risk assessment. View the terms of our Policy here. More on this Fire Door Inspections. Fire Risk Assessments. Download your two Free Guides Essential Guide to Fire Alarm Systems Will answer all your questions on the process of installing a fire alarm system, guiding you down the right path to protecting your business and employees, and complying with fire safety legislation.

Understanding the Different Types and Uses of Fire Extinguishers

Everyone knows that their workplace is required to have fire extinguisher s , and everyone should know where the nearest one is. However, most do not realize that a single fire extinguisher does not work on all types of fire. There are many different types, or classes, of fire extinguishers just as there are many different classes of fire. To achieve true safety for your place of work, you need to ensure that you have the proper extinguisher installed relevant for the potential fire hazards for your building. The theory behind portable fire extinguishers is that the fire can be extinguished by removing any one or more of these four elements. For each class of fire, the fuel, heat source and chain reaction varies, which is why there must be different types of fire extinguishers depending on the class of fire. For instance, while a class A fire can be safely extinguished with water, a class C fire cannot, as water would conduct the electricity and risk harm to the operator.

It's important to make sure you have the right types of fire extinguishers on hand to put out common household fires. Read our fire extinguisher safety tips to learn how to stay safe and don't forget to make sure you have the right coverage if your home sustains fire damage. The first thing to do when choosing a fire extinguisher is to decide which rooms in your house need one. You should keep at least one on each level of your house. Make sure you keep fire extinguishers handy where fires are more likely to start, like in the kitchen and garage. There are four classes of fire extinguishers — A, B, C and D — and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.

Fire extinguishers

A fire extinguisher is a first attack tool for use in the early stages of a fire. It should only be used on a small fire no larger than a waste paper basket and by someone who is confident and physically capable of using the extinguisher. A one kilogram 1kg dry powder extinguisher is recommended for domestic home use. If the fire cannot be extinguished using a 1kg extinguisher it is too large and you should evacuate.

The types of fire extinguishers used on board ships depend on the types of fire on a ship and the material which is acting as fuel.

When it comes to fire safety, making sure your home or workplace is prepared with the right type of fire extinguisher is a big deal. Of course, if the fire is significant, your priority should be to evacuate your home or office immediately and wait for firefighters outside. There are five different categories :. Many homes and offices will either use general-purpose or kitchen extinguishers, but other environments, like laboratories or warehouses, might need more specific extinguishers. The water component of this extinguisher removes the heat of the fire, while the foam component removes the oxygen.

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