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
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previous edition(s)

Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems (ISO 21805:2023); German version EN ISO 21805:2023
2023-07

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