How long does it take to check the use time of the ABC dry powder extinguisher?
1 national standards: building fire extinguishers configuration acceptance and inspection specification GB50444-20082, industry standards: public security, industry standards, fire extinguishers maintenance and scrap procedures GA95-2007
Fire extinguishers as long as the purchase of new, unused, 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.
Should be maintained once a year, you can Baidu search Jingyang Albert, they are designed to do fire extinguisher inspection, a very detailed description of the above process
