Should dry powder extinguishers be pressurized in a few years?
Daily inspection of dry powder extinguisher includes pressure check, normal in green area, red area is under pressure, must be re loaded, in yellow area is over pressure, over pressure is not too serious can be used.
The replacement date in accordance with the requirements of two years due to be replaced, but once the Ministry of Public Security issued a document requirements of high-risk industries and key unit of fire safety using powder fire extinguisher a year for a change, so do not need to change to see if you place the fire extinguisher with nature
