# ISO 9300:1990 — Withdrawn and superseded ISO standards

For ISO 9300:1990, item title is Measurement of gas flow by means of critical flow Venturi nozzles; status code is 9599; successor is ISO 9300:2005; withdrawn / published date is 1990-07-24, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9300:1990 _(verified: appears in the quote below)_
- **Item title:** Measurement of gas flow by means of critical flow Venturi nozzles _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9300:2005
- **Withdrawn / published date:** 1990-07-24 _(verified: appears in the quote below)_

## What the source says

> 16956,IS,,ISO 9300:1990,Measurement of gas flow by means of critical flow Venturi nozzles,Mesure de débit de gaz au moyen de Venturi-tuyères en régime critique,1990-07-24,1,['17.120.10'],ISO/TC 30/SC 2,9599,,[34272],"['en','fr']",16,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).