# ISO 10522:1993 — Withdrawn and superseded ISO standards

For ISO 10522:1993, item title is Agricultural irrigation equipment — Direct-acting pressure-regulating valves; status code is 9599; successor is ISO 10522:2021 | ISO/NP 10522; withdrawn / published date is 1993-11-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 10522:1993 _(verified: appears in the quote below)_
- **Item title:** Agricultural irrigation equipment — Direct-acting pressure-regulating valves _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 10522:2021 | ISO/NP 10522
- **Withdrawn / published date:** 1993-11-18 _(verified: appears in the quote below)_

## What the source says

> 18591,IS,,ISO 10522:1993,Agricultural irrigation equipment — Direct-acting pressure-regulating valves,Matériel agricole d'irrigation — Vannes de régulation de la pression à action directe,1993-11-18,1,['65.060.35'],ISO/TC 23/SC 18,9599,,"[78121,39767]","['en','fr']",12,"<p>Specifies construction and performance requirements and test methods for pressure regulators intended for operation in irrigation systems, with water at temperatures not exceeding 50 °C, which may contain fertilizers and chemicals of types and in concentrations commonly used. Applies to pressure regulators in nominal sizes up to and including 80 mm (3 in).</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).