This standard specifies the technical requirements, test methods, inspection rules, marking and packaging, maintenance and scrapping requirements for portable 1211 fire extinguishers. This standard applies to portable 1211 fire extinguishers (hereinafter referred to as fire extinguishers).
GB 4397-1998 history
2005GB 4351.1-2005 Portable fire extinguishers-Prat 1:Performance and construction