British Standards Institution

Sector: Sustainability

Categories: Fluid flow. Closed conduits | Volumetric equipment and measurements

Overview: Under the direction of CPI/30 is responsible for appointing members to ISO/TC 30/SC 5 working groups; briefing UK delegates ahead of European and international meetings and to determine the UK response to documents that are being developed.

Committee standards activity

In Progress (6)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TR 25582	Influences of the velocity and temperature distribution on fluid flow measurement by using Pitot Static Tubes Categories: Unclassified documents Proposal begins :	Proposal
PD ISO/TR 24062	Measurement of fluid flow in closed conduits -- Selection, installation and operation of clamp-on (externally mounted) ultrasonic flow-metering techniques for fluid applications Categories: Unclassified documents Drafting begins : 2024-11-29	Drafting
BS ISO 3966	ISO 3966 Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes Categories: Fluid flow. Closed conduits Public comment begins : 2024-09-26	Public comment
BS ISO 25056	Measurement of residence time distribution and flow characterization — Radioactive tracer method Categories: Unclassified documents Proposal begins :	Proposal
BS ISO 17089-2	Measurement of fluid flow in closed conduits - Ultrasonic meters for gas — Part 2: Meters for industrial applications Categories: Unclassified documents Proposal begins :	Proposal
BS 8452:201X -	Selection, installation and operation of clamp-on (externally mounted) ultrasonic flow-metering techniques for fluid applications – Guide Categories: Measurement. Fluid flow \| Measurement. Fluid flow. General Proposal begins : 2017-08-02	Proposal

Published (14)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 7194:2008	Measurement of fluid flow in closed conduits. Velocity-area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot statics tubes Categories: Fluid flow. Closed conduits Published standard begins : 2008-08-22	Published standard
BS ISO 3966:2020	Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes Categories: Fluid flow. Closed conduits Published standard begins : 2020-07-27	Published standard
BS ISO 3354:2008	Measurement of clean water flow in closed conduits. Velocity-area method using current-meters in full conduits and under regular flow conditions Categories: Fluid flow. Closed conduits Published standard begins : 2008-08-22	Published standard
BS ISO 24460:2023	Measurement of fluid flow rate in closed conduits. Radioactive tracer methods Categories: Fluid flow. Closed conduits Published standard begins : 2023-09-22	Published standard
BS ISO 24062:2023	Measurement of fluid flow in closed conduits. Clamp-on ultrasonic transit-time meters for liquids and gases Categories: Fluid flow. Closed conduits Published standard begins : 2024-01-05	Published standard
BS ISO 21903:2020	Refrigerated hydrocarbon fluids. Dynamic measurement. Requirements and guidelines for the calibration and installation of flowmeters used for liquefied natural gas (LNG) and other refrigerated hydrocarbon fluids Categories: Volumetric equipment and measurements Published standard begins : 2020-02-12	Published standard
BS ISO 17089-1:2019	Measurement of fluid flow in closed conduits. Ultrasonic meters for gas. Meters for custody transfer and allocation measurement Categories: Fluid flow. Closed conduits Published standard begins : 2019-08-30	Published standard
BS ISO 14511:2019	Measurement of fluid flow in closed conduits. Thermal mass flowmeters Categories: Fluid flow. Closed conduits Published standard begins : 2019-01-15	Published standard
BS ISO 12764:2017	Measurement of fluid flow in closed conduits. Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full Categories: Fluid flow. Closed conduits Published standard begins : 2017-09-18	Published standard
BS ISO 12242:2012	Measurement of fluid flow in closed conduits. Ultrasonic transit-time meters for liquid Categories: Fluid flow. Closed conduits Published standard begins : 2012-07-18	Published standard

Withdrawn (6)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 3966:2008	Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes Categories: Fluid flow. Closed conduits Withdrawn begins : 2020-07-27	Withdrawn
BS ISO 17089-1:2010	Measurement of fluid flow in closed conduits. Ultrasonic meters for gas. Meters for custody transfer and allocation measurement Categories: Fluid flow. Closed conduits Withdrawn begins : 2019-08-30	Withdrawn
BS ISO 14511:2001	Measurement of fluid flow in closed conduits. Thermal mass flowmeters Categories: Fluid flow. Closed conduits Withdrawn begins : 2019-01-15	Withdrawn
BS 8452:2005	Use of clamp-on (externally mounted) transit time metering techniques for liquid applications. Guide Categories: Fluid flow. Closed conduits Withdrawn begins : 2011-01-24	Withdrawn
BS 7965:2009	Guide to the selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications Categories: Fluid flow. Closed conduits Withdrawn begins : 2013-10-28	Withdrawn
BS 7965:2000	The selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications Categories: Fluid flow. Closed conduits Withdrawn begins : 2009-10-20	Withdrawn

Message Committee Become a committee member

Committee members

Nominating organizations

Baker Hughes
Committee Manager
Deputy Chair
Emerson Branson Ultrasonics
Energy Institute
Fluenta Solutions Limited
Institute of Measurement and Control
Institution of Gas Engineers and Managers
National Gas Transmission
NEL Technologies
OPSS - Office for Product Safety & Standards
Tracerco
Water Research Centre Plc.

Liaisons with other committees

Individual Capacity - BP
Individual Capacity - Cameron
Individual Capacity - INEOS
Individual Capacity - ISO 10790
Individual Capacity - Kelton
Individual Capacity - Metering & Condition based monitoring
Individual Capacity - TUV SUD National Engineering Laboratory
Individual Capacity – Emerson-Daniel
Individual Capacity – Flow measurement
UK Expert – Flow measurement, calibration and uncertainty

BSI roles

Committee Chair

Standards Development

CPI/30/5 - Velocity and Mass Methods

Committee standards activity