# ISO 14520-9:2016 — Withdrawn and superseded ISO standards

For ISO 14520-9:2016, item title is Gaseous fire-extinguishing systems — Physical properties and system design — Part 9: HFC 227ea extinguishant; status code is 9599; successor is ISO 14520-9:2019; withdrawn / published date is 2016-09-28, recorded from its source on 2026-08-05.

- **Identifier:** ISO 14520-9:2016 _(verified: appears in the quote below)_
- **Item title:** Gaseous fire-extinguishing systems — Physical properties and system design — Part 9: HFC 227ea extinguishant _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 14520-9:2019
- **Withdrawn / published date:** 2016-09-28 _(verified: appears in the quote below)_

## What the source says

> 55345,IS,,ISO 14520-9:2016,Gaseous fire-extinguishing systems — Physical properties and system design — Part 9: HFC 227ea extinguishant,Systèmes d'extinction d'incendie utilisant des agents gazeux — Propriétés physiques et conception des systèmes — Partie 9: Agent extincteur HFC 227ea,2016-09-28,3,['13.220.10'],ISO/TC 21/SC 8,9599,[39791],[74524],['en'],9,"<p>ISO 14520-9:2016 contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specification, usage and safety aspects.</p><p>ISO 14520-9:2016 covers systems operating at nominal pressures of 25 bar, 42 bar and 50 bar with nitrogen propella

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).