# ISO/TR 4191:1989 — Withdrawn and superseded ISO standards

For ISO/TR 4191:1989, item title is Unplasticized polyvinyl chloride (PVC-U) pipes for water supply — Recommended practice for laying; status code is 9599; successor is ISO/TR 4191:2014; withdrawn / published date is 1989-11-02, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TR 4191:1989 _(verified: appears in the quote below)_
- **Item title:** Unplasticized polyvinyl chloride (PVC-U) pipes for water supply — Recommended practice for laying _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/TR 4191:2014
- **Withdrawn / published date:** 1989-11-02 _(verified: appears in the quote below)_

## What the source says

> 9973,TR,,ISO/TR 4191:1989,Unplasticized polyvinyl chloride (PVC-U) pipes for water supply — Recommended practice for laying,Canalisations en polychlorure de vinyle non plastifié (PVC-U) pour l'adduction d'eau — Pratique recommandée pour la pose,1989-11-02,1,"['93.025','23.040.20','91.140.60']",ISO/TC 138/SC 2,9599,,[44039],"['en','fr']",13,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).