
Fire resistance tests. Fire dampers for air distribution systems. Mechanical dampers.
STANDARD published on 30.11.2018
Designation standards: BS ISO 21925-1:2018
Publication date standards: 30.11.2018
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 580 96556 2 Status: Under Review