Dry Powder Fire Extinguisher for Oil With Steel Valve Handle

The scope of the dry powder fire extinguishers' application

Dry powder extinguishers can be divided into sodium bicarbonate dry powder extinguishers and ammonium phosphate dry powder extinguishers. Sodium bicarbonate dry powder fire extinguishers for flammable, combustible liquids, gases, and electrical equipment for the initial fire; ammonium phosphate dry powder fire extinguishers can be used in addition to the above-mentioned types of fires, but also to fight the initial fire of solid substances. But these two dry powder fire extinguishers cannot put out metal combustion fires.