ISO 5167-1:2022

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 1: General principles and requirements ISO 5167-1:2022

Publication date:   Jun 16, 2022

General information

60.60 Standard published   Jun 16, 2022

ISO

ISO/TC 30/SC 2 Pressure differential devices

International Standard

17.120.10   Flow in closed conduits

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Scope

This document defines terms and symbols and establishes the general principles for methods of measurement and computation of the flow rate of fluid flowing in a conduit by means of pressure differential devices (orifice plates, nozzles, Venturi tubes, cone meters, and wedge meters) when they are inserted into a circular cross-section conduit running full. This document also specifies the general requirements for methods of measurement, installation and determination of the uncertainty of the measurement of flow rate.
ISO 5167 (all parts) is applicable only to flow that remains subsonic throughout the measuring section and where the fluid can be considered as single-phase. It is not applicable to the measurement of pulsating flow.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5167-1:2003

NOW

PUBLISHED
ISO 5167-1:2022
60.60 Standard published
Jun 16, 2022