# ISO 3663:1976 — Withdrawn and superseded ISO standards

For ISO 3663:1976, item title is Polyethylene (PE) pressure pipes and fittings, metric series — Dimensions of flanges; status code is 9599; successor is ISO/PWI 3663; withdrawn / published date is 1976-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3663:1976 _(verified: appears in the quote below)_
- **Item title:** Polyethylene (PE) pressure pipes and fittings, metric series — Dimensions of flanges _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/PWI 3663
- **Withdrawn / published date:** 1976-11-01 _(verified: appears in the quote below)_

## What the source says

> 9115,IS,,ISO 3663:1976,"Polyethylene (PE) pressure pipes and fittings, metric series — Dimensions of flanges","Tubes et raccords sous pression en polyéthylène (PE), série métrique — Dimensions de raccordement des brides",1976-11-01,1,['23.040.60'],ISO/TC 138/SC 2,9599,,[45551],"['en','fr']",2,<p>Specifies the principal dimensions of loose backing flanges for butt or socket fusion welded flange adaptors and clamping flanges. It applies to flanges for pipe sizes from 16 to 315 mm outside diameter and for nominal pressure up to 1 MPa.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).