# ISO 9261:1991 — Withdrawn and superseded ISO standards

For ISO 9261:1991, item title is Agricultural irrigation equipment — Emitting-pipe systems — Specification and test methods; status code is 9599; successor is ISO 9261:2004; withdrawn / published date is 1991-11-28, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9261:1991 _(verified: appears in the quote below)_
- **Item title:** Agricultural irrigation equipment — Emitting-pipe systems — Specification and test methods _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9261:2004
- **Withdrawn / published date:** 1991-11-28 _(verified: appears in the quote below)_

## What the source says

> 16911,IS,,ISO 9261:1991,Agricultural irrigation equipment — Emitting-pipe systems — Specification and test methods,Matériel agricole d'irrigation — Gaines de micro-irrigation — Spécifications et méthodes d'essai,1991-11-28,1,['65.060.35'],ISO/TC 23/SC 18,9599,,[28459],"['en','fr']",7,"<p>Specifies mechanical and functional requirements of pipes and their fittings, test methods and the data to be supplied by the manufacturer. Gives 16 terms and definitions.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).