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.
Status: PublishedPublication date: 2023-02
Edition: 1Number of pages: 36
Technical Committee: ISO/TC 21/SC 8 Gaseous media and firefighting systems using gas
This standard contributes to the following Sustainable Development Goal:
Buy this standard
|std 1 166||PDF + ePub|
|std 2 166||Paper|
ISO 21805:2023Stage: 60.60
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.