# ISO 14520-5:2019 — Withdrawn and superseded ISO standards

For ISO 14520-5:2019, item title is Gaseous fire-extinguishing systems — Physical properties and system design — Part 5: FK-5-1-12 extinguishant; status code is 9599; successor is ISO 14520-5:2024; withdrawn / published date is 2019-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 14520-5:2019 _(verified: appears in the quote below)_
- **Item title:** Gaseous fire-extinguishing systems — Physical properties and system design — Part 5: FK-5-1-12 extinguishant _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 14520-5:2024
- **Withdrawn / published date:** 2019-07-01 _(verified: appears in the quote below)_

## What the source says

> 74522,IS,,ISO 14520-5:2019,Gaseous fire-extinguishing systems — Physical properties and system design — Part 5: FK-5-1-12 extinguishant,Systèmes d'extinction d'incendie utilisant des agents gazeux — Propriétés physiques et conception des systèmes — Partie 5: Agent extincteur FK-5-1-12,2019-07-01,3,['13.220.10'],ISO/TC 21/SC 8,9599,[55342],[85067],['en'],11,"<p>This document contains specific requirements for gaseous fire-extinguishing systems, with respect to FK-5-1-12 extinguishant. It includes details of physical properties, specifications, usage and safety aspects.</p><p>This document is applicable only to systems operating at nominal pressures of 25 bar, 34,5 bar, 42 bar and 50 bar with

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).