ISO 21925-1:2018现行
Fire resistance tests -- Fire dampers for air distribution systems -- Part 1: Mechanical dampers
出版：International Organization for Standardization
专家解读视频
This document 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.
BS ISO 21925-1:2018 - Identical
NEN-ISO 21925-1:2019 - Identical
DS/ISO 21925-1:2018 - Identical
DS/ISO 21925-1:2018 - Identical
BS ISO 21925-1:2018 - Identical
NEN-ISO 21925-1:2019 - Identical
