# ISO 4422-4:1997 — Withdrawn and superseded ISO standards

For ISO 4422-4:1997, item title is Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Part 4: Valves and ancillary equipment; status code is 9599; successor is ISO 1452-4:2009; withdrawn / published date is 1997-10-16, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4422-4:1997 _(verified: appears in the quote below)_
- **Item title:** Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Part 4: Valves and ancillary equipment _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1452-4:2009
- **Withdrawn / published date:** 1997-10-16 _(verified: appears in the quote below)_

## What the source says

> 25967,IS,,ISO 4422-4:1997,Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Part 4: Valves and ancillary equipment,Tubes et raccords en poly(chlorure de vinyle) non plastifié (PVC-U) pour l'adduction d'eau — Spécifications — Partie 4: Robinets et accessoires,1997-10-16,1,"['23.040.45','93.025','23.040.20','91.140.60']",ISO/TC 138/SC 2,9599,"[10331,10332]",[50364],"['en','fr']",12,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).