British Standards Institute (BSI)
- CPI30/2 Differential pressure devices for flow measurement (generic across all industries) - member
- CPI30/5 Mass and velocity devices for flow measurement (generic across all industries) - member
International Standards Organisation (ISO)
- Through the BSI committees there are liaisons and feeding into ISO committees which include:-
- TC30 Flow measurement (generic across all industries)
- TC30 SC2 Differential pressure devices for flow measurement (generic across all industries)
- TC30 SC5 Mass and velocity devices for flow measurement (generic across all industries)
- ISO/NP TR 26762 Natural gas -- Upstream area - Allocation of gas and condensate
- BSI PSE17 Materials and equipment for petroleum, petrochemical and natural gas industries
- ISO TC67 SC9 Liquefied natural gas installations and equipment
- ISO TC28 WG20 Dynamic measurement of liquefied natural gas
Standards recently issued
- ISO 3966:2020 Measurement of fluid flow in closed conduits -- Velocity area method using Pitot static tubes
- 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 5167-2:2022 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates
- ISO 5167- 3:2022 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 3: Nozzles and Venturi nozzles
- ISO 5167-4:2022 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes
- ISO 5167- 5:2022 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 5: Cone meters
- ISO 5167- 6:2022 Measurement of fluid flow by means of pressure differential devices inserted in circular cross section conduits running full – Part 6 Wedge meters
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- ISO 9300:2022 Measurement of gas flow by means of critical flow venturi nozzles
- ISO/TR 9464:2023 Guidelines for the use of ISO 5167:2022
- ISO/TR 12767:2023 Measurement of fluid flow by means of pressure differential devices — Guidelines on the effect of departure from the specifications and operating conditions given in ISO 5167
- ISO/DTR 15377:2023 Measurement of fluid flow by means of pressure-differential devices — Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of ISO 5167
- ISO 17089-1:2019 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas - Part 1: Meters for custody transfer and allocation measurement
- ISO 20456:2019 Measurement of fluid flow in closed conduits — Guidance for the use of electromagnetic flowmeters for conductive liquids
- ISO 21903:2020 Refrigerated Hydrocarbon Fluids -- Dynamic Measurement -- Guidance for the calibration, installation and use of flow meters for LNG and other refrigerated hydrocarbon fluids
- ISO 23978:2020 Natural gas — Upstream area — Determination of composition by Laser Raman spectroscopy
- ISO 24062:2023 Measurement of fluid flow in closed conduits - Clamp-on ultrasonic transit-time meters for liquids and gases
- ISO 24460:2023 Measurement of fluid flow rate in closed conduits — Radioactive Tracer Methods
Standards currently being reviewed, updated and new work
- ISO 2186 Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements
- ISO 5168 Measurement of fluid flow — Procedures for the evaluation of uncertainties
- ISO 6578 Refrigerated hydrocarbon liquids - Static measurement - calculation procedure
- BS 8452 Guide to the selection, installation and operation of clamp-on (externally mounted) ultrasonic flow-metering techniques for fluid applications
- ISO 9951 Measurement of gas flow in closed conduits — Turbine meters
- ISO 10790 Measurement of fluid flow in closed conduits - Guidance to the selection, installation and use of Coriolis flowmeters (mass flow, density and volume flow measurements)
- ISO 12748 Natural Gas - Wet gas flow measurement in natural gas operations
- ISO 12764 Measurement of fluid flow in closed conduits -- Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full.
- ISO 17089-2 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas - Part 2: Meters for industrial applications
- ISO 26762 Natural gas - Upstream area - Allocation of gas and condensate