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4. FNFW

DIN Standards Committee Firefighting and Fire Protection

Abstract

This document provides guidance for meeting the requirements of ISO 6183:2022, 6.4.1 and 7.4.1 and ISO 14520-1:2023, 5.2.1 h) and 5.3 h), in relation to positive and negative pressure relief devices and post venting. It covers the design, selection and installation of venting devices, with the aim of ensuring the structural integrity of spaces protected by fixed gas extinguishing systems, and considers the requirements for post-exhaust ventilation, 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

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