NEN-ISO 21925-1:2019
Current
Current
The latest, up-to-date edition.
Fire resistance tests - Fire dampers for air distribution systems - Part 1: Mechanical dampers
Available format(s)
Hardcopy
Language(s)
English
Published date
10-01-2019
Publisher
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.
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