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ISO 3966:2008

Measurement of fluid flow in closed conduits — Velocity area method using Pitot static tubes

Publication date:   Jul 10, 2008

95.99 Withdrawal of Standard   Jul 20, 2020

General information

95.99 Withdrawal of Standard   Jul 20, 2020

ISO

ISO/TC 30/SC 5 Velocity and mass methods

International Standard

17.120.10   Flow in closed conduits

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Scope

ISO 3966:2008 specifies a method for the determination in a closed conduit of the volume rate of flow of a regular flow: a) of a fluid of substantially constant density or corresponding to a Mach number not exceeding 0,25; b) with substantially uniform stagnation temperature across the measuring cross-section; c) running full in the conduit; d) under steady flow conditions.
In particular, ISO 3966:2008 deals with the technology and maintenance of Pitot static tubes, with the calculation of local velocities from measured differential pressures and with the computation of the flow rate by velocity integration.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 3966:1977

NOW

WITHDRAWN
ISO 3966:2008
95.99 Withdrawal of Standard
Jul 20, 2020

REVISED BY

PUBLISHED
ISO 3966:2020