# ISO 20421-2:2005 — Withdrawn and superseded ISO standards

For ISO 20421-2:2005, item title is Cryogenic vessels — Large transportable vacuum-insulated vessels — Part 2: Operational requirements; status code is 9599; successor is ISO 20421-2:2017; withdrawn / published date is 2005-06-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 20421-2:2005 _(verified: appears in the quote below)_
- **Item title:** Cryogenic vessels — Large transportable vacuum-insulated vessels — Part 2: Operational requirements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 20421-2:2017
- **Withdrawn / published date:** 2005-06-29 _(verified: appears in the quote below)_

## What the source says

> 34488,IS,,ISO 20421-2:2005,Cryogenic vessels — Large transportable vacuum-insulated vessels — Part 2: Operational requirements,"Récipients cryogéniques — Grands récipients transportables, isolés, sous vide — Partie 2: Exigences de fonctionnement",2005-06-29,1,['23.020.40'],ISO/TC 220,9599,,[56920],['en'],13,"<p>ISO 20421-2:2005 specifies operational requirements for large transportable vacuum insulated cryogenic vessels of more than 1 000 l volume.</p><p>The scope includes putting into service, filling, withdrawal, transport within the location, storage, maintenance, periodic inspection and emergency procedures.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).