# ISO 9090:1989 — Withdrawn and superseded ISO standards

For ISO 9090:1989, item title is Gas tightness of equipment for gas welding and allied processes; status code is 9599; successor is ISO 9090:2019; withdrawn / published date is 1989-04-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9090:1989 _(verified: appears in the quote below)_
- **Item title:** Gas tightness of equipment for gas welding and allied processes _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9090:2019
- **Withdrawn / published date:** 1989-04-20 _(verified: appears in the quote below)_

## What the source says

> 16678,IS,,ISO 9090:1989,Gas tightness of equipment for gas welding and allied processes,Étanchéité aux gaz des appareils pour soudage aux gaz et techniques connexes,1989-04-20,1,['25.160.30'],ISO/TC 44/SC 8,9599,,[72739],"['en','fr']",4,"<p>Specifies the maximum external leakage rates which are acceptable for equipment used for welding, cutting and allied processes. Applies to individual components which are used in the gas supply to a blowpipe from the connecting point of the hose (outlet of the cylinder valve or connecting point to a gas supply plant). Does not apply to gas supply plants.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).