DIN Standards Committee Firefighting and Fire Protection
Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems - Amendment 1 (ISO 21805:2023/Amd 1:2025); German version EN ISO 21805:2023/A1:2026
Abstract
This document gives guidelines for fulfilling the requirements contained in ISO 6183:2022, 5.2.1 g) and 6.4.1 and ISO 14520-1:2023, 5.3 h) and 7.4, in respect to over- and under-pressurization venting and post-discharge extract. It considers the design, selection and installation of vents to safeguard the structural integrity of enclosures protected by fixed gaseous extinguishing systems and the post-discharge venting provisions where used.
Begin
2024-09-20
WI
00191401
Planned document number
DIN EN ISO 21805/A1
Project number
03101484
Responsible national committee
NA 031-03-04 AA - Gas extinguishing systems and their components
Responsible european committee
CEN/TC 191/WG 6 - Gas extinguishing Systems and components
Responsible international committee
ISO/TC 21/SC 8/WG 5 - General Requirements
draft standard
Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems - Amendment 1 (ISO 21805:2023/DAM 1:2025); German and English version EN ISO 21805:2023/prA1:2025
2025-07
Order from DIN Media
