Is the dry fire extinguisher disposable?
Yes. The dry powder fire extinguisher uses carbon dioxide gas or nitrogen gas as power to spray dry powder out of the cylinder. Once the dry powder fire extinguisher is used, even if a little is used, the gas pressure in the fire extinguisher is reduced and can not be used next time, so it should be used at one time.
Fire equipment manufacturers regularly send you a replacement is responsible for fire fighting equipment, ordinary people is not very understanding that not what there is on the line, almost all take chances, once the fire happens equipment did not play a role in too late for regrets.
Storage type dry powder fire extinguisher, 1 and a half years to regular maintenance, replacement agents, if long time no change, fire extinguisher phosphorus phosphate salts will be solidified into blocks, once a fire can not play the role of fire. The pressure gauge is normal in green area, red is short of pressure, yellow is over pressure.
