The dry powder fire extinguisher will have to be reinstalled again after five years' expiration. How long is the carbon dioxide extinguisher valid?
The new dry powder extinguisher will be scrapped for 10 years after leaving the factory. However, the carbon dioxide extinguisher will be scrapped for 12 years after leaving the factory;The purchase of a new dry powder fire extinguisher, if not used, the pressure gauge pointer does not move in the Green Zone, seals, generally within 5 years; nearly 5 years or once used should be re filling, or re filling filling over once every 2 years.
The carbon dioxide fire extinguisher has the same maintenance time as the dry powder fire extinguisher, but the scrap time is different.
Carbon dioxide fire extinguishers are difficult to check because there is no pressure gauge. The general seal untouched, valid for 5 years; about 5 years or once used should be re filling, or re filling filling over once every 2 years.
