How many years is the dry powder fire extinguisher valid? Precautions for using dry powder fire extinguishers

Fire safety is a key aspect that people must pay attention to in their daily lives. Relevant departments also attach great importance to it. In shopping malls, schools, stations and other public places, a large number of dry powder fire extinguishers are placed to facilitate people to put out fires in time when they suddenly occur. However, many people do not know about dry powder fire extinguishers. They do not know how many years it is valid for, and they do not know what to pay attention to when using this dry powder fire extinguisher. Today I will take you closer to dry powder fire extinguishers so that you can know more about it.

How many years is the dry powder fire extinguisher valid?

1. The shelf life of a dry powder fire extinguisher should be divided into two parts, because the composition of a dry powder fire extinguisher includes the body and the dry powder fire extinguishing agent inside. The shelf life of these two parts is different. The effective use period of the cylinder of a dry powder fire extinguisher is 8 years, and it cannot exceed ten years at most.

2. The dry powder fire extinguishing agent placed in the dry powder fire extinguisher has a relatively short shelf life. Under normal circumstances, its effective use period is 1 to 2 years. That is to say, dry powder fire extinguishers placed in public places should be replaced with new fire extinguishing agents every year. If they are not replaced in time, the dry powder fire extinguisher may not be able to be used normally when needed.

Precautions for using dry powder fire extinguishers

1. When a fire occurs and a dry powder fire extinguisher is needed, be sure to hold the dry powder fire extinguisher in your hand and shake it up and down vigorously several times to loosen the dry powder fire extinguishing agent inside. Then you can pull out the safety and use it normally. If you do not shake it a few times in advance, the dry powder fire extinguishing agent inside will stick together and cannot be sprayed out normally when used.

2. When using a dry powder fire extinguisher, be sure to remove the lead seal on it, which is what people usually call the safety pin. If you don't remove it, the dry powder fire extinguishing agent inside cannot be sprayed out directly.

3. When using a dry powder fire extinguisher, you must also keep a safe distance, which means 2 to 3 meters away from the fire source, and choose a location upwind, otherwise the thick smoke produced during the firefighting process will cause obvious irritation to the human mouth and nose. In addition, when using a dry powder fire extinguisher, you must also hold the nozzle with your left hand, aim its paddle directly at the root of the flame, and then press the pressure handle with your right hand to spray the dry powder fire extinguishing agent.