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EVS-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)

General information

Valid from 15.03.2023
Base Documents
ISO 21805:2023; EN ISO 21805:2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.03.2023
Main
01.02.2019
Main
This document gives guidelines for fulfilling the requirements contained in ISO 6183:2022, 6.4.1 and 7.4.1 and ISO 14520‑1:2023, 5.2.1 h) and 5.3 h), 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.

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