# ISO 1609:1986 — Withdrawn and superseded ISO standards For ISO 1609:1986, item title is Vacuum technology — Flange dimensions; status code is 9599; successor is ISO 1609:2020 | ISO/WD 1609; withdrawn / published date is 1986-03-06, recorded from its source on 2026-08-05. - **Identifier:** ISO 1609:1986 _(verified: appears in the quote below)_ - **Item title:** Vacuum technology — Flange dimensions _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 1609:2020 | ISO/WD 1609 - **Withdrawn / published date:** 1986-03-06 _(verified: appears in the quote below)_ ## What the source says > 6209,IS,,ISO 1609:1986,Vacuum technology — Flange dimensions,Technique du vide — Dimensions des brides,1986-03-06,1,['23.160'],ISO/TC 112,9599,,"[79408,6210]","['en','fr']",8,"

The specified dimensions ensure interchangeability between bolted, clamped and rotable flanges under special conditions. The main dimensions are tabled; linear sealing loads, bores for vacuum flanges and required outside tube diameters are specified.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).