# ISO 8233:1988 — Withdrawn and superseded ISO standards

For ISO 8233:1988, item title is Thermoplastics valves — Torque — Test method; status code is 9599; successor is ISO/FDIS 8233 | ISO 8233:2024; withdrawn / published date is 1988-12-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8233:1988 _(verified: appears in the quote below)_
- **Item title:** Thermoplastics valves — Torque — Test method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/FDIS 8233 | ISO 8233:2024
- **Withdrawn / published date:** 1988-12-29 _(verified: appears in the quote below)_

## What the source says

> 15335,IS,,ISO 8233:1988,Thermoplastics valves — Torque — Test method,Robinets en matériaux thermoplastiques — Couple de manoeuvre — Méthode d'essai,1988-12-29,1,"['23.060.01','83.140.30']",ISO/TC 138/SC 7,9599,,"[79751,84107]","['en','fr']",2,<p>Specifies a test method for the determination of the opening and closing torque of thermoplastic valves. Testing shall be carried out by nominal pressure before and after a conditioning period.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).