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prEN ISO 21805

Guidance on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems (ISO/DIS 21805:2021)

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ISO/DIS 21805; prEN ISO 21805
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Põhitekst
01.02.2019
Põhitekst
This document provides guidance on fulfilling the requirements contained in ISO 6183:2009, 6.4.1 and 7.4.1 and ISO 14520-1:2015, 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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