# ISO 2186:1973 — Withdrawn and superseded ISO standards

For ISO 2186:1973, item title is Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements; status code is 9599; successor is ISO 2186:2007; withdrawn / published date is 1973-03-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2186:1973 _(verified: appears in the quote below)_
- **Item title:** Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2186:2007
- **Withdrawn / published date:** 1973-03-01 _(verified: appears in the quote below)_

## What the source says

> 6984,IS,,ISO 2186:1973,Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements,Débit des fluides dans les conduites fermées — Liaisons pour la transmission du signal de pression entre les éléments primaires et secondaires,1973-03-01,1,['17.120.10'],ISO/TC 30/SC 2,9599,,[38091],"['en','fr']",34,<p>Describes means whereby a pressure signal from a primary element can be transmitted by known techniques to a secondary device in such a way that the value of the signal is not distorted or modified even though it may be changed into a signal of a different nature. Is concerned only with the pressure difference techniques of flow measuremen

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).