Can the dry fire extinguisher be reused after use?
The validity period of dry powder fire extinguishing device has two aspects, one is the fire extinguisher, in accordance with the relevant provisions of the state, dry powder fire extinguisher to the mandatory retirement age is 10 years, which is valid for powder fire extinguisher for 10 years; on the other hand, the dry powder fire extinguishing agent is also valid in accordance with the relevant provisions of the state, building fire: storage in normal temperature, the effective period of dry powder fire extinguishing agent is 5 years. But in general the replacement period of dry powder fire extinguishing agent is 1 to 2 years, usually a fire extinguisher in the re filling, maintenance units are placed on the annual inspection of fire extinguishers label, that is to say in most cases of dry powder fire extinguishers in 10 year period, every 1-2 years will need to re filling dry powder extinguishing agent, the two class validity refers to a fire extinguisher from the date of the start of the.
Fire Law stipulates that fire equipment and fire engineering equipment need to be replaced periodically.
But as long as the tank is intact, it can be filled. Make up the dry powder, and then inject pressure, is a good, and filling costs are not much.
Already used powder fire extinguishers, first of all, lack of pressure, dry powder is difficult to spray out, followed by lack of drugs, can not effectively extinguish the fire.
