6kg Dry Powder Fire Extinguisher for Oil With Pressure Gauge

Principle of dry powder fire extinguisher

The dry powder extinguisher is filled with a dry powder extinguishing agent. A dry powder extinguishing agent is a dry and easy-to-flow microfine powder used to extinguish the fire, consisting of inorganic salts and a small number of additives that are dried, crushed, and mixed into a microfine solid powder. The use of compressed carbon dioxide blowing dry powder (mainly containing sodium bicarbonate) to extinguish the fire. Dry powder fire extinguishers are used to prevent the flow of air into the combustion area so that the combustion material does not get enough oxygen and is extinguished to achieve the purpose of fire extinguishing, this method of fire extinguishing we usually call the asphyxiation method.