When it involves the kinds of fireside extinguishers, there are five main types including wet chemical, CO2, dry powder, foam and water. so as to satisfy the present regulations, it's important for you to possess the precise sort of extinguisher that's needed for your premises. the necessity for various sorts of extinguisher arises from the various sorts of fuel which will start a fireplace . the various sorts of fires caused by different fuels are classified as different classes of fireside . As far because the sort of extinguisher needed at your business premises cares , it depends on the hearth risk from various classes of fireside .
It is important for you to make sure that the proper size and weight of fireside extinguisher is out there at your business premises to satisfy the hearth safety regulations.
Even though the hearth extinguishers are classified into five main types, the dry powder and water extinguishers have different versions which suggests there are a complete of eight differing types of fireside extinguishers to settle on from. The eight differing types of fireside extinguishers include specialist dry powder, standard dry powder, foam, water spray, water mist, water spray, wet chemical and CO2 . there's no single extinguisher which will be used on all classes of fireside .
Here may be a brief summary of various fire classes along side a reference chart displaying the sort of extinguisher for every glass of fireside . We also share detailed explanation of various sorts of fire extinguishers below.
There are six different types of fire classes and here is a detailed list covering types of fire included in each class.
Class A Fires
Class A fires include fires caused by combustible materials including paper, fabric, wood and other flammable solids.
Class B Fires
Class B fires include fires caused by flammable liquids such as paint, turpentine or petrol among others.
Class C Fires
Class C fires are those caused by flammable gases including methane, butane or hydrogen among others.
Class D Fires
Class D fires include fires caused by combustible metals including potassium, aluminum, or magnesium among others.
Class F Fires
Class F fires include those caused by cooking oils such as a chip-pan fire.
The electrical fires refer to the category of fires involving electrical equipment but upon removal of the electrical item, the fire class is changed.
These are the most common type of fire extinguishers used for class B fires. However, these are water-based which means can also be used for class A fires. The label color is cream.
These fire extinguishers may be used for fires caused by various organic materials including wood, coal, textiles, fabrics, cardboard, and paper among other things as well as flammable liquids including petrol and paint.
This type of fire extinguisher should not be used for fires caused by flammable metals, kitchen fires, and fires that involve electrical equipment.
How This Extinguisher Works
These extinguishers work by creating a cooling effect on the fuel that is responsible for causing the fire. When it is poured on burning liquid, the fire is extinguished by creating a barrier between the fuel and the flame with the help of the foaming agent.
Foam extinguishers are needed by businesses and premises where the building is made from various organic materials or in buildings where such organic materials are likely to be found including and buildings storing flammable liquids. In simple terms, most of the buildings require the presence of foam or water extinguishers.