NEN-ISO 21925-1:2019现行
Fire resistance tests - Fire dampers for air distribution systems - Part 1: Mechanical dampers
出版：Netherlands Standards
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基本信息
标准编号： NEN-ISO 21925-1:2019
标准类别：Standard
出版单位：Netherlands Standards
标准页数：0
标准简介
NEN-ISO 21925-1 specifies a test method for the determination of the resistance of fire dampers to heat, and for the evaluation of their ability to prevent fire and smoke spreading from one fire compartment to another through an air distribution system.
