Method for spot check of dry powder fire extinguisher
Pressure gauge pointer. Duration of dry powder. Bottle pressure test.The integrity of a bottle.
The first 3 years, you say the phenomenon is normal, but afraid of dry powder caking or siphon off, when it is able to spray, but not much of the spray
The fire extinguisher is checked once a year, and the pressure gauge needs to be checked to the yellow area. The damaged hose must be replaced. If the label (brand, new number, specification) of your extinguisher is lost or not clear, it will be treated as scrap.
