From the proverb “Being robbed 10 times not as much as one fire. “It would indicate the seriousness of the fire that damages homes or establishment. Installing a smoke or heat alarm is a good starting point. However, if a fire has already started, fire fighting is essential. Fire fighting equipment is essential to have in the house.
In choosing to buy fire fighting equipment, HomeGuru would like to say that the first thing that all homeowners should know before buying is type of fire or what is the fuel to select fire extinguishing equipment suitable for use in different parts of the home. The type of fire in accordance with NFPA 10 (US Hand-held Fire Extinguishing Equipment Standard) divided into 5 types of fire according to the type of fuel. Using different symbols, this symbol will appear on the label of the fire extinguishing device. In some cases, fire extinguishers may be used to extinguish types of fire, depending on the extinguishing agent contained within. Therefore, there may be more than one symbol, let’s see what are the types of fire that are produced by the 5 fuels?
Types of Fuel
Type A Fuel
Typical fire caused by fire in homes or offices include wood, paper, cloth and some plastics. Which this type of fire can be extinguished with water or dry chemistry. The appropriate fire extinguishing equipment must be marked with the letter A in the green triangle.
Type B Fuel
Fire caused by liquefied fuels and flammable gases, including various combustible oils, gasoline, diesel fuel, as well as oil-containing substances such as paints or solvents. This type of fire must be extinguished by cutting oxygen to stop the burning of wood. The appropriate fire extinguishing equipment must be marked with the letter B in the red square.
Type C Fuel
This type of fire is caused by a short circuit of electrical equipment. Which is necessary to use fire extinguishing equipment that does not conduct electricity or if the case can cut off the electricity, fire extinguishers can be used in the same way as for class A or B fire, with appropriate fire extinguishing equipment, electrical equipment must have the letter C in a blue circle.
Type D Fuel
This type of fire is caused by a flammable chemical or metal such as magnesium powder, titanium powder, sodium potassium or urea fertilizer, which requires fire extinguishing equipment that does not react with these fuels. Extinguishing equipment suitable for fire, chemicals or combustible metals must be marked with the letter D in the shape of yellow five-pointed star.
Type K Fuel
This type of fire is caused by various types of cooking oils such as vegetable oil, animal oil or animal fat. Most of the time, these fuel fire occur in restaurant kitchens or industrial kitchen which use high temperature and has a lot of oil in cooking. These fire extinguishers use alkaline chemicals to react with fatty acids and convert them into foam to extinguish flames and smoke, suitable fire fighting equipment electrical equipment must have the letter K in the black hexagonal shape.
Types of fire extinguishers for residential premises
Whether it is a small condo room or big house. Every home should have a tank fire extinguisher installed in the vulnerable area or in a position that can be easily taken. Fire extinguishers are very convenient to use. And there are many sizes to choose from as appropriate. There are 3 types of tank fire extinguishers that are commercially available according to the contained extinguishing agent. Therefore, it must be purchased for proper use in each type of fire fighting.
1. Carbon dioxide fire extinguisher
Carbon dioxide is colorless, odorless, non-conductive. Suitable for fire fighting class B that is fueled with gas and fuel types. It is also suitable for extinguishing class C fire caused by short circuit or various electrical equipment. The function of carbon dioxide is a reduction in the amount of oxygen in the fire area. It helps reduce combustion to extinguish the fire, this type of gas does not leave stains after use. Therefore, it does not create dirt or damage to equipment and materials.
2. Dry chemical powder fire extinguisher
This type of tank works by spraying chemical powder at high pressure. The dry chemical powder will spread over the fire area. Block oxygen from reacting with fuel. It helps the fire to extinguish itself. This dry chemical fire extinguisher is suitable for class A, B and C. This covers most of the characteristics of the fire and fuel that reside in home, from paper, cloth, fuel to the fire from short circuit. Considerations for choosing dry chemical fire extinguishing agents. When in use, there will be chemical dust scattered which may require cleaning the entire area.
3. Water-based fire extinguisher
This fire extinguisher uses a water-based chemical solution. Which at present, it has been developed to be environmentally friendly chemicals, no toxic residue. The advantage of water-based fire extinguishers is that they can see the injection point well. While the carbon dioxide and dry chemical gas types are obscured with smoke or dust. Which in some cases, makes it difficult to spot the source of the fire. In addition, the water-based chemical agents are not conductive. Therefore, it can be used to extinguish fire and electrical equipment and electronic equipment as well. Which is suitable for fire fighting class A, B and C.
Finally, in addition to the provision of fire fighting equipment in the home. Keeping fire extinguishers in good working order is important not to be overlooked. If neglected and do not regularly inspect when it is necessary to use it, it may not be able to be effective or it will not work at all. HomeGuru recommends how to monitor and maintain it.
• Do not move fire extinguishers from the set point or if need to move, hurry and put it back to the same place.
• Check the condition of the tank, valve head or various components.
• Check that the safety latch or lock is in a condition that has not been pulled out.
• Check the pressure gauge regularly. If the pressure in the tank drops, there may be a leak. The tank should be replaced.
• Check the spray mouth, do not allow dirt to clog.
• All the fire equipment has a service life. You should check the expiration date and always replace new one.