Types Of Fire And Fire Extinguishers Pdf


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14.05.2021 at 10:33
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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.

Following the recent covid announcement regarding the closure of non-essential businesses, we would like to reassure our customers that as suppliers of essential emergency equipment to the healthcare sector, we are still open for business. While our aim is to continue to provide an uninterrupted service, we will continue to monitor the ever changing situation while taking all necessary steps to ensure the wellbeing of both our staff and customers.

Fire extinguisher

Along with ensuring you have the right types of fire extinguisher, you will also need to make sure that you select the right sizes and weights. You can read more about the current UK extinguisher regulations.

The fire risk from the different classes of fire in your business premises will determine which fire extinguisher types you need. Whilst there are 5 main types of fire extinguisher, there are different versions of both the Water and Dry Powder extinguishers, meaning there are a total of 8 fire extinguisher types to choose from. The 8 types of fire extinguisher are: —. Below is a summary of the classes of fire, and a quick reference chart showing which types of extinguisher should be used on each.

We then provide a detailed explanation of each type of fire extinguisher below. Overview: Water extinguishers are the most common fire extinguisher type for class A fire risk. Most premises will require either water or foam extinguishers. Use for: — Organic materials such as: o Paper and cardboard o Fabrics and textiles o Wood and coal. Do not use for: — Fires involving electrical equipment — Kitchen fires — Flammable gas and liquids. How water extinguishers work: The water has a cooling effect on the fuel, causing it to burn much more slowly until the flames are eventually extinguished.

Where to locate water extinguishers: — By the exits on a floor where a Class A fire risk has been identified. Overview: Foam extinguishers are most common type of fire extinguisher for Class B fires, but also work on Class A fires as they are water-based. Use for: — Organic materials such as: o Paper and cardboard o Fabrics and textiles o Wood and coal Plus: — Flammable liquids, like paint and petrol. Do not use for: — Kitchen fires — Fires involving electrical equipment — Flammable metals.

How foam extinguishers work: As with water extinguishers, foam extinguishers have a cooling effect on the fuel. On burning liquids, the foaming agent creates a barrier between the flame and the fuel, extinguishing the fire. Where to locate foam extinguishers: — By the exits on a floor where a Class A or Class B fire risk has been identified. This is because the powder can be easily inhaled, and also the residue is very difficult to clean up after. ABC powder extinguishers can also be used on some electrical fires.

Specialist dry powder extinguishers are used for flammable metals. Use for: — Organic materials such as: o Paper and cardboard o Fabrics and textiles o Wood and coal Plus: — Flammable liquids, like paint and petrol Plus: — Flammable gases, like liquid petroleum gas LPG and acetylene Plus: — Fires involving electrical equipment up to v.

Specialist dry powder extinguishers are only used on flammable metals, such as titanium and magnesium. Do not use for: — Fires involving cooking oil — Fires involving electrical equipment over v — or in enclosed spaces, such as offices or residential properties. How dry powder extinguishers work: Dry powder extinguishers smother fires by forming a barrier between the fuel and the source of oxygen.

Where to locate Dry Powder extinguishers: — Place dry powder extinguishers near to the source of the fire risk. Contact us to buy dry powder fire extinguishers. Overview: CO2 extinguishers are predominantly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms.

They also put out Class B fires flammable liquids, such as paint and petroleum. Use for: — Flammable liquids, like paint and petrol — Electrical fires. How CO2 extinguishers work: CO2 extinguishers suffocate fires by displacing the oxygen the fire needs to burn.

Overview: Wet chemical extinguishers are designed for use on Class F fires, involving cooking oils and fats. They can also be used on Class A fires although it is more usual to have a foam or water extinguisher for this type of fire risk. Do not use for: — Flammable liquid or gas fires — Electrical fires — Flammable metals. How wet chemical extinguishers work: Wet chemical extinguishers create a layer of foam on the surface of the burning oil or fat, preventing oxygen from fuelling the fire any further.

The spray also has a cooling effect. Where to locate wet chemical extinguishers: — Place near to the source of the fire risk. Contact us to buy wet chemical fire extinguishers. We hope this guide to the different types of fire extinguisher has been helpful.

Our guides on fire extinguisher colours and extinguisher legislation may be useful too. For further reading see our posts on what fire extinguisher should not be used in confined spaces and how often fire extinguishers should be checked.

Skip to content Contact Us. You should have the right extinguisher for your premises, or you may not meet current regulations. Arrange a call-back.

Fire extinguishers

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.

A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. It is not intended for use on an out-of-control fire, such as one which has reached the ceiling , endangers the user i. Typically, a fire extinguisher consists of a hand-held cylindrical pressure vessel containing an agent that can be discharged to extinguish a fire. Fire extinguishers manufactured with non-cylindrical pressure vessels also exist but are less common. There are two main types of fire extinguishers: stored-pressure and cartridge-operated. In stored pressure units, the expellant is stored in the same chamber as the firefighting agent itself.


Not all fires are the same, and they are classified according to the type of fuel that is burning. If you use the wrong type of fire extinguisher on the wrong class of.


Classes of Fires & Fire Extinguishers

There are four classes of fires: Class A : Ordinary solid combustibles such as paper, wood, cloth and some plastics. Class B : Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering. Class C : Electrical equipment, appliances and wiring in which the use or a nonconductive extinguishing agent prevents injury from electrical shock. Class D : Certain flammable metallic substances such as sodium and potassium. These materials are normally not found in the Medical Center.

There are different types of fire extinguishers because there are various types of fires. Being able to immediately distinguish which extinguisher you need in an emergency apart could make a lifesaving difference. Throughout this article, we will explain the different classes of fires, the symbols that identify these, and the different types of extinguishers and their uses. Fires must be fought carefully depending on the materials involved.

The wrong type of extinguisher can be dangerous or life -threatening. Always have a safe path of escape if you are attempting to extinguish a fire, and ensure Fire and Emergency has been called. The following table provides information regarding the type of fire and which fire extinguisher should be used.

Understanding the Different Types and Uses of Fire Extinguishers

Along with ensuring you have the right types of fire extinguisher, you will also need to make sure that you select the right sizes and weights.

Choosing and using fire extinguishers

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