# ISO/TR 12767:2007 — Withdrawn and superseded ISO standards For ISO/TR 12767:2007, item title is Measurement of fluid flow by means of pressure differential devices — Guidelines on the effect of departure from the specifications and operating conditions given in ISO 5167; status code is 9599; successor is ISO/TR 12767:2023; withdrawn / published date is 2007-08-28, recorded from its source on 2026-08-05. - **Identifier:** ISO/TR 12767:2007 _(verified: appears in the quote below)_ - **Item title:** Measurement of fluid flow by means of pressure differential devices — Guidelines on the effect of departure from the specifications and operating conditions given in ISO 5167 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/TR 12767:2023 - **Withdrawn / published date:** 2007-08-28 _(verified: appears in the quote below)_ ## What the source says > 40030,TR,,ISO/TR 12767:2007,Measurement of fluid flow by means of pressure differential devices — Guidelines on the effect of departure from the specifications and operating conditions given in ISO 5167,Mesurage du débit des fluides au moyen d'appareils déprimogènes — Lignes directrices relatives aux effets des écarts par rapport aux spécifications et aux conditions d’utilisation données dans l’ISO 5167,2007-08-28,2,['17.120.10'],ISO/TC 30/SC 2,9599,[2713],[85584],"['en','fr']",35,"

ISO/TR 12767 provides guidance on estimating the flowrate when using pressure differential devices constructed or operated outside the scope of ISO 5167.

Additional tolerances or corrections cannot necess ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).