Brief Introduction of Dry Powder Fire Extinguisher
Dry powder fire extinguisher is an important fire extinguishing tool. Whether in public buildings, companies or families, some dry powder fire extinguishers will be equipped for emergency use. However, the currently used dry powder fire extinguishers have some shortcomings. First, the structure is complex, not only the cost is high, but also the maintenance and use are inconvenient. Second, the switching speed is slow, which affects the fire extinguishing effect. Third, the valve cover is made of iron or copper, which is not easy to rust and the cost is too high. High and inconvenient to use.