Summary:Fire doors are divided into three categories according to the place of use:
Fire door of evacuation passage: it is used in evacuation areas such as ......
Fire doors are divided into three categories according to the place of use:
Fire door of evacuation passage: it is used in evacuation areas such as stairwells and safety exits, and needs linkage control function.
Fire doors in facilities and equipment places: used in equipment rooms such as machine rooms and power distribution rooms, with emphasis on fire resistance and explosion-proof performance.
Fire door: used for residential doors to balance fire resistance and daily use needs.
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