GB/T 25922-2023 Active National standards

GB/T 25922-2023 Measurement of fluid flow in closed conduits—Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full

Publish Date: 2023-08-06 Implement Date: 2024-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 25922-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Flow and level measurement instruments

ICS Name: The measurement of flow rate in a closed pipeline

Publish Date: 2023-08-06

Implement Date: 2024-03-01

Pages: 24 pages

Scope

This document: a) Describes the method of measuring the flow of liquids, gases, and steam using vortex flowmeters, providing terminology and a series of formulas for determining performance; b) Provides technical information to assist users in selecting and using vortex flowmeters, including information on influencing factors; c) Describes the typical structure of vortex flowmeters and provides recommendations for inspection, certification, and material traceability; d) Describes the practicality of diagnostic techniques for vortex flowmeters; e) Provides calibration guidelines; f) Is not applicable to insertion-type vortex flowmeters; g) Is only suitable for closed, fully filled pipelines; h) Is only applicable to stable or slowly changing fluid flows; i) Is suitable for fluids that are considered single-phase.