The standard for judging whether a fire extinguisher is normal or not
Look at the date of production: fire extinguishers will have the date of inspection of the label, if after re filling or expiration of the overhaul, there will be maintenance date label, read the label to know whether expired.After 5 years of use, the dry fire extinguishers must be inspected and refilled, and then refilled every 2 years.Fire extinguishers from the date of completion of the factory, to the following years, must be scrapped:
Fire extinguishers from the date of completion of the factory, to the following years, must be scrapped:A) water based fire extinguishers - 6 years;B) dry powder fire extinguishers - 10 years;C) clean gas fire extinguishers - 10 years;D) carbon dioxide fire extinguishers and gas cylinders - 12 years;
See: fire pressure gauge pointer in the green area for normal pressure; the red zone, for the lack of pressure, that has been sprayed or leakage, need to re charge; yellow zone pressure is too large, can be used normally, but the risk of explosion, avoid severe vibration
See the appearance intact, bolt, seals intact in the hose without cracks, the bottom of the bottle without serious rust.
