ISO 3966:2020
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Measurement of fluid flow in closed conduits — Velocity area method using Pitot static tubes
Hardcopy , PDF
English, French
20-07-2020
02-11-2025
This document 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, and
d) under steady flow conditions.
In particular, it 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.
| Committee |
ISO/TC 30/SC 5
|
| DocumentType |
Standard
|
| Pages |
55
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NF ISO 3966:2021 | Identical |
| BS ISO 3966:2020 | Identical |
| IS 14973 : 2025 | Identical |
| DS/ISO 3966:2020 | Identical |
| CEI EN 50399:2024-09 | Common test methods for cables under fire conditions - Heat release and smoke production measurement on cables during flame spread test - Test apparatus, procedures, results |
| CEI EN 50399:2022-12 | Common test methods for cables under fire conditions - Heat release and smoke production measurement on cables during flame spread test - Test apparatus, procedures, results |
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