What is fire classification?
Fire classification is intended to determine the classes (classes) of fire or the source of the cause of the fire so that the type of fire extinguisher used is effective in controlling the fire. In Permenaker No. Per-04 / MEN / 1980, classes or classes of fire are divided into 4 groups, namely Groups A, B, C and D.
The following are the Classes or Classes of Fire and the types of fire extinguishers that are effective in extinguishing them:
1. Type A Fire Classification
Class A fires are fires caused by solid materials except non-metallic such as paper, plastic, cloth, wood, rubber and so on.
The types of fire extinguishers that are suitable for extinguishing Class A fires are liquid type fire extinguishers (Water), foam type fire extinguishers (Foam) and chemical powder type fire extinguishers (Dry Powder).
2. Type B
Class B fires are fires caused by flammable liquid materials such as oil (gasoline, diesel, oil), alcohol, paint, solvent, methanol and so on.
The types of fire extinguishers suitable for extinguishing Class B fires are Carbon Dioxide (CO2) fire extinguishers, Foam fire extinguishers and Dry Powder fire extinguishers.
3. Type C
Class C fires are fires caused by electrical installations with voltage. The types of extinguishers suitable for extinguishing Class C fires are Carbon Dioxide (CO2) type extinguishers and Dry Powder type extinguishers.
4. Type D
Class D fire is a class of fire caused by flammable metal materials such as sodium, magnesium, aluminum, lithium and potassium. This type of fire needs special fire extinguishers in extinguishing it.
5. Type K
Class K fires are fires caused by oil such as vegetable oil, palm oil etc. Class K fires are only defined by BSN in the mandatory SNI in 2021 related to extinguishing materials for special fires. Just like class D fires, this type of fire also needs special fire extinguishers to extinguish it.
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