Dry powder fire extinguisher red cylinder 

Dry powder fire extinguisher is a common type of fire extinguisher that uses dry powder as the extinguishing agent. Dry powder fire extinguishers are suitable for many types of fires, including solid material, liquid and gas fires. It can effectively extinguish flames and prevent the spread of fire. The working principle of dry powder fire extinguishers is to spray dry powder to form a layer of powder covering the fire source, thereby blocking the contact between the flame and oxygen and destroying the combustion chain of the flame. Dry powder fire extinguishers typically contain compressed gas or liquid that pushes the dry powder out of the nozzle and forms a fine, granular powder when the trigger is pulled. Dry powder fire extinguishers have many advantages, including wide applicability to different types of fires, good fire extinguishing effects, and ease of use. However, dry powder fire extinguishers also have some disadvantages, such as dust pollution and possible damage to electr…