# ISO 22266-1:2009 — Withdrawn and superseded ISO standards

For ISO 22266-1:2009, item title is Mechanical vibration — Torsional vibration of rotating machinery — Part 1: Land-based steam and gas turbine generator sets in excess of 50 MW; status code is 9599; successor is ISO 22266-1:2022 | ISO/FDIS 22266-1; withdrawn / published date is 2009-04-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 22266-1:2009 _(verified: appears in the quote below)_
- **Item title:** Mechanical vibration — Torsional vibration of rotating machinery — Part 1: Land-based steam and gas turbine generator sets in excess of 50 MW _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 22266-1:2022 | ISO/FDIS 22266-1
- **Withdrawn / published date:** 2009-04-20 _(verified: appears in the quote below)_

## What the source says

> 40841,IS,,ISO 22266-1:2009,Mechanical vibration — Torsional vibration of rotating machinery — Part 1: Land-based steam and gas turbine generator sets in excess of 50 MW,Vibrations mécaniques — Vibration de torsion des machines tournantes — Partie 1: Groupes électrogènes à turbines à vapeur et à gaz situés sur terre et excédant 50 MW,2009-04-20,1,"['29.160.40','17.160']",ISO/TC 108/SC 2,9599,,"[78144,68124]",['en'],25,"<p>ISO 22266-1:2009 provides guidelines for applying shaft torsional vibration criteria, under normal operating conditions, for the coupled shaft system and long blades of a turbine generator set. In particular, these apply to the torsional natural frequencies of the coupled sh

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).