# ISO 5167-1:1991 — Withdrawn and superseded ISO standards

For ISO 5167-1:1991, item title is Measurement of fluid flow by means of pressure differential devices — Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full; status code is 9599; successor is ISO 5167-1:2003; withdrawn / published date is 1991-12-12, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5167-1:1991 _(verified: appears in the quote below)_
- **Item title:** Measurement of fluid flow by means of pressure differential devices — Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5167-1:2003
- **Withdrawn / published date:** 1991-12-12 _(verified: appears in the quote below)_

## What the source says

> 11169,IS,,ISO 5167-1:1991,"Measurement of fluid flow by means of pressure differential devices — Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full","Mesure de débit des fluides au moyen d'appareils déprimogènes — Partie 1: Diaphragmes, tuyères et tubes de Venturi insérés dans des conduites en charge de section circulaire",1991-12-12,1,['17.120.10'],ISO/TC 30/SC 2,9599,"[11168,4617]",[28064],"['en','fr']",61,<p>Specifies the geometry and method of use (installation and operating conditions). Gives necessary information for calculating the flow-rate and its associated uncertainty. Applies only to devices in which the flow remains subsoni

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).