This document specifies the terms and definitions, classification, specifications and model preparation methods, basic requirements, technical requirements, test methods, inspection rules, signs, Packaging, storage and transportation, quality commitment. This document applies to trolley-type fire extinguishers with a total mass greater than 25 kg but not greater than 450 kg. This document does not apply to cart-mounted fire extinguishers used to extinguish Class D fires.
T/ZZB 2937-2022 history
2022T/ZZB 2937-2022 Wheeled fire extinguishers (powder and water based type)