EN ISO 21805:2023
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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)
03-01-2023
This document gives guidelines for fulfilling the requirements contained in ISO6183:2022, 6.4.1 and 7.4.1 and ISO14520‑1:2023, 5.2.1h) and 5.3h), 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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