It is a type of fire extinguisher that uses a dry chemical powder to suppress the fires. Additionally, These extinguishers prove extremely reliable for a wide range of fires and are commonly used in areas with various types of fire risk.
Two types of dry powder extinguishers are standard and specialist.
The standard fire extinguisher is very resourceful and can put out fires of every kind. However, People don’t use it in small areas. It is designed to extinguish caused by flammable liquids and gases. In addition, It runs by releasing a fine powder, sodium bicarbonate, or potassium bicarbonate that puts off the fire and stops its oxygen supply.
In combustible metals especially in class D dry extinguisher powder is used. Because these contain powders like sodium chloride and copper powder which are manufactured to put out fires including metals like magnesium, lithium, and aluminum.
Dry powder fire extinguishers put off the fire by creating a barrier between the fuel and the source of oxygen. It does not cool the fire, there is a small risk of regenerating. However, Dry powder extinguishers contain monoammonium phosphate and phosphoric acid an extinguishing agent that spreads easily and softens over flames.
People can use Dry powder extinguishers both outdoors and indoors, from shops to offices, industrial complexes, factories, mining sites, construction sites, cars, trucks, etc.
If you carefully operate a dry powder fire extinguisher it could save your life in an emergency. Firstly, the people use PASS method to put off the fire with a dry powder. Then pull the pin, Aim the hose toward the base of the ire, compress the lever, and sweep the hose.
Remember, fires double in size every 60 seconds so use a fire extinguisher for small. carry fires only.