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EN ISO 21805:2023

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) EN ISO 21805:2023

Publication date:   Jul 17, 2023

General information

60.60   Standard published   Mar 1, 2023

CEN

CEN/TC 191 Fixed firefighting systems

European Norm

13.220.10   Fire-fighting | 91.140.30   Ventilation and air-conditioning systems

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Published

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
CEN ISO/TS 21805:2019

NOW

PUBLISHED
EN ISO 21805:2023
60.60 Standard published
Mar 1, 2023

CORRIGENDA / AMENDMENTS

PUBLISHED
EN ISO 21805:2023/A1:2026




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