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As the complexity of buildings increases so does the need for effective fire protection systems such as fire alarms, emergency lighting, evacuation routes and portable fire fighting equipment such as extinguishers. As buildings are extended and changed so should the corresponding systems. This is a critical and complex topic and not all aspects can be covered in a single article.
The information that follows is a basic guide to fire extinguishers. Please always seek professional advice when choosing fire extinguishers and other fire protection systems for your business and home. If you’re ever unsure what type of fire extinguisher to choose, it’s important to get guidance from an expert.
Fires are classified according to the kind of fuel involved in a fire. The ability of a fire extinguisher to put out a fire is indicated by letters relating to the relevant fire classes. When asking what are the types of fire extinguishers suitable for each class, the answer depends entirely on the fuel source.
Class of Fire CLASS A – Involving solid materials such as wood, paper or textiles. CLASS B – Flammable liquids, such as petrol, diesel and paraffin. Not alcohol or cooking oil. CLASS C – Flammable gases, such as LPG, Propane, Butane and natural gas CLASS D – Flammable metals, such as magnesium swarf CLASS F – Cooking fats and fryer oils Electrical – Such as an electrical appliance or wiring
Suitable Fire Extinguisher It is important to remember that extinguishers are not designed to fight large fires. Many people ask how many types of fire extinguishers are there or how many types fire extinguishers are there, the answer is that there are several, each matched to the fire class.
CLASS A – Water, foam or multi-purpose dry powder extinguishers CLASS B – Foam CLASS C – Powder CLASS D – Specialist Powder CLASS F – Wet chemical Electrical – Powder, CO2
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