A fire extinguisher module is the internal component of a fire extinguisher that contains the extinguishing agent and the propellant that expels it. The specific type of module will depend on the type of fire extinguisher.
There are five main types of fire extinguishers, classified by the type of fire they are designed to extinguish:
Class A: Ordinary combustibles, such as wood, paper, and textiles. These extinguishers typically contain water or a water-based solution.
Class B: Flammable liquids, such as gasoline, oil, and grease. These extinguishers typically contain foam, dry chemical, or carbon dioxide.
Class C: Electrical fires. These extinguishers typically contain carbon dioxide or dry chemical.
Class D: Combustible metals, such as magnesium, sodium, and potassium. These extinguishers typically contain a dry powder that is specific to the type of metal fire.
Class K: Kitchen fires. These extinguishers are designed to extinguish fires involving cooking oils and fats. They typically contain a saponification agent that turns the oil into a soapy substance, extinguishing the fire.
