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The velocity of the gas in the pipe

The velocity of the gas in the pipe, Total:496 items.

In the international standard classification, The velocity of the gas in the pipe involves: Measurement of fluid flow, Air quality, Installations in buildings, Measurement of volume, mass, density, viscosity, Pipeline components and pipelines, Valves, Equipment for petroleum and natural gas industries, Interface and interconnection equipment, Environmental protection, Corrosion of metals, Fibre optic communications, Acoustics and acoustic measurements, Fluid power systems, Vocabularies, Hydraulic fluids, Organic chemicals, Ergonomics, Linear and angular measurements, Company organization and management, Ferrous metals, Analytical chemistry, Medical equipment, Occupational safety. Industrial hygiene, Alarm and warning systems, Protection of and in buildings, Rubber and plastics products, Aerospace fluid systems and components, Protection against fire, Petroleum, petroleum products and natural gas handling equipment, Colour coding, Products of the textile industry, Construction materials, Equipment for the chemical industry, Welding, brazing and soldering, Explosion protection.

Association Francaise de Normalisation, The velocity of the gas in the pipe

NF X10-111:1988 Measurement of clean water flow in closed conduits. Velocity-area method using current-meters in full conduits and under regular flow conditions.
NF EN ISO 20456:2019 Mesurage du débit des fluides dans les conduites fermées - Lignes directrices pour l'utilisation des débitmètres électromagnétiques dans les liquides conducteurs
NF ISO 3966:2021 Mesurage du débit des fluides dans les conduites fermées - Méthode d'exploration du champ des vitesses au moyen de tubes de Pitot doubles
NF X10-112*NF ISO 3966:2021 Measurement of fluid flow in closed conduits - Velocity area method using Pitot static tubes
NF X10-112:1977 Measurement of fluid flow in closed conduites.velocity area method using pitot static tubes.
NF ISO 15086-2:2001 Transmissions hydrauliques - Évaluation des caractéristiques du bruit liquidien des composants et systèmes - Partie 2 : mesurage de la vitesse du son émis dans un fluide dans une tuyauterie
NF E48-392-2*NF ISO 15086-2:2001 Hydraulic fluid power - Determination of the fluid-borne noise characteristics of components and systems - Part 2 : measurement of the speed of sound in a fluid in a pipe
NF X10-114:1993 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 static tubes.
NF X10-100*NF EN 24006:1993 Measurement of fluid flow in closed conduits. Vocabulary and symbols.
NF EN 24006:1993 Mesure de débit des fluides dans les conduites fermées - Vocabulaire et symboles
NF D36-136:2019 Gas installations - Dimensional characteristics of mechanical connections intended for installation in pipelines for as installations
NF X10-113:1982 Determination of flowrate of fluids in closed conduits of circular cross-section. Method of velocity measurement at one point of the cross-section.
NF X10-141:1982 Mesurage de débit de gaz dans les conduites fermées - Méthodes par traceurs - Partie 1 : généralités.
NF X10-121:1993 Measurement of fluid flow in closed conduits. Methods of evaluating the performance of electromagnetic flow-meters for liquids.
NF X10-121*NF EN ISO 20456:2019 Measurement of fluid flow in closed conduits - Guidance for the use of electromagnetic flowmeters for conductive liquids
X10-105:1992 Measurement of pulsating fluid flow in a pipe by means of orifice plates, nozzles or venturi tubes.
NF ISO 17089-1:2020 Mesurage du débit des fluides dans les conduites fermées - Compteurs à ultrasons pour gaz - Partie 1 : compteurs pour transactions commerciales et allocations
NF E48-650:1986 Hydraulic fluid power. Fluids. Methods for bottle sampling from lines of an operating system.
NF X10-930:1984
NF X10-120:1995 Measurement of conductive liquid flow in closed conduits. Method using electromagnetic flow meters.
NF X10-122-1*NF ISO 17089-1:2020 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas - Part 1 : meters for custody transfer and allocation measurement
NF EN ISO 16911-2:2013 Émissions de sources fixes - Détermination manuelle et automatique de la vitesse et du débit-volume d'écoulement dans les conduits - Partie 2 : systèmes de mesure automatiques
NF EN ISO 16911-1:2013 Émissions de sources fixes - Détermination manuelle et automatique de la vitesse et du débit-volume d'écoulement dans les conduits - Partie 1 : méthode de référence manuelle
NF E48-051:1992 Hydraulic fluid power. Pipe threaded connections for supply ports. Connecting dimensions.
NF X10-122-1:2011 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas - Part 1 : meters for custody transfer and allocation measurement.
NF EN ISO 8316:1995 Mesure de débit des liquides dans les conduites fermées - Méthode par jaugeage d'un réservoir volumétrique.
NF X10-102-5*NF EN ISO 5167-5:2016 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 5 : cone meters
NF EN ISO 5167-4:2022 Mesurage de débit des fluides au moyen d'appareils déprimogènes insérés dans des conduites en charge de section circulaire - Partie 4 : Tubes de Venturi
NF X10-102-2*NF EN ISO 5167-2:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2 : orifice plates
NF X10-102-4*NF EN ISO 5167-4:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4 : Venturi tubes
NF EN 12200-1:2016 Systèmes de canalisations de descentes d'eaux pluviales en plastique à usage externe en aérien - Poly(chlorure de vinlye) non plastifié (PVC-U) - Partie 1 : spécifications pour tubes, raccords et le système
NF X10-102:1995 Measurement of fluid flow by means of pressure differential devices. Part 1 : orifice plates, nozzles and venturi tubes inserted in circular cross-section conduits running full.
NF EN ISO 5167-2:2022 Mesurage de débit des fluides au moyen d'appareils déprimogènes insérés dans des conduites en charge de section circulaire - Partie 2 : Diaphragmes
NF EN ISO 13478:2007 Tubes en matières thermoplastiques pour le transport des fluides - Détermination de la résistance à la propagation rapide de la fissure (RCP) - Essai grandeur nature (FST)
NF X10-144:1982 Mesurage de débit de gaz dans les conduites fermées - Méthodes par traceurs - Partie 4 : méthode du temps de transit utilisant des traceurs radioactifs.
NF EN ISO 5167-6:2022 Mesurage de débit des fluides au moyen d'appareils déprimogènes insérés dans des conduites en charge de section circulaire - Partie 6 : débitmètres à coin
NF EN ISO 17778:2015 Systèmes de canalisations en plastiques - Raccords, robinets et équipements auxiliaires - Détermination du rapport débit gazeux/perte de charge
NF A88-941:2005 Welding and allied processes - Qualification test of welders for safety joints on fuel gas distribution pipework - Joining of fuel gaz pipework in fuel gas plants located downstream of the general cut-off device.
NF EN 682:2003 Garnitures d'étanchéité en caoutchouc - Spécification des matériaux pour garnitures d'étanchéité pour joints de canalisations et des raccords véhiculant du gaz et des fluides hydrocarbures
NF EN 682/A1:2005 Garnitures d'étanchéité en caoutchouc - Spécification des matériaux pour garnitures d'étanchéité pour joints de canalisations et des raccords véhiculant du gaz et des fluides hydrocarbures

Korean Agency for Technology and Standards (KATS), The velocity of the gas in the pipe

KS I ISO 10780-2008(2018) Stationary source emissions－Measurement of velocity and volume flowrate of gas streams in ducts
KS E ISO 7194-1:2018 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 static tubes
KS B ISO TR 12764:2004 Measurement of fluid flow in closed conduits-Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
KS B ISO TR 12764:2014 Measurement of fluid flow in closed conduits-Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
KS B ISO TR 12764:2015 Measurement of fluid flow in closed conduits — Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
KS B ISO 8316-2014(2019) Measurement of liquid flow in closed conduits — Method by collection of the liquid in a volumetric tank
KS I ISO 14164:2021 Stationary source emissions — Determination of the volume flowrate of gas streams in ducts — Automated method
KS I ISO 14164-2006(2016) Stationary source emissions－Determination of the volume flowrate of gas streams in ducts(Automated method)
KS I ISO 14164:2006 Stationary source emissions－Determination of the volume flowrate of gas streams in ducts(Automated method)
KS I ISO 10780:2008 Stationary source emissions-Measurement of velocity and volume flowrate of gas streams in ducts
KS B ISO 15086-2-2006(2011) Hydraulic fluid power－Determination of fluid-borne noise characteristics of components and systems－Part 2：Measurement of speed of sound in a fluid in a pipe
KS B ISO 14511-2014(2019) Measurement of fluid flow in closed conduits — Thermal mass flowmeters
KS E ISO 7194-1:2003 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 static tubes
KS B ISO 4053-1:2001 Measurement of gas flow in conduits-Tracer method-Part 1:General
KS B ISO 4053-1:2015 Measurement of gas flow in conduits－Tracer method－Part 1：General
KS B ISO 4006-2014(2019) Measurement of fluid flow in closed conduits — Vocabulary and symbols
KS B ISO 14511:2004 Measurement of fluid flow in closed conduits-Thermal mass flowmeters
KS B ISO 14511:2014 Measurement of fluid flow in closed conduits — Thermal mass flowmeters
KS B ISO TR 3313:2004 Measurement of fluid flow in closed conduits-Guidelines on the effects of flow pulsations on flow-measurement instruments
KS B ISO TR 3313:2014 Measurement of fluid flow in closed conduits — Guidelines on the effects of flow pulsations on flow-measurement instruments
KS B ISO TR 3313-2014(2019) Measurement of fluid flow in closed conduits — Guidelines on the effects of flow pulsations on flow-measurement instruments
KS B ISO TR 12765-2005(2020) Measurement of fluid flow in closed conduits－Methods using transit-time ultrasonic flowmeters
KS B ISO 9951-2014(2019) Measurement of gas flow in closed conduits — Turbine meters
KS B ISO 13359:2014 Measurement of conductive liquid flow in closed conduits — Flanged electromagnetic flowmeters — Overall length
KS B ISO 13359:2004 Measurement of conductive liquid flow in closed conduits-Flanged electromagnetic flowmeters-Overall length
KS B ISO TR 11328:2020 Measurement of liquid flow in open channels - Equipment for the measurement of discharge under ice conditions
KS B ISO TS 15768:2020 Measurement of liquid velocity in open channels —Design, selection and use of electromagnetic current meters
KS B ISO 5167-4:2004 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full-Part 4:Venturi tubes
KS B ISO 5167-4:2014 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 4: Venturi tubes
KS A 0612-1997(2022) Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
KS D ISO 10700-2008(2018) Steel and iron－Determination of manganese content－Flame atomic absorption spectrometric method
KS B ISO TR 12765:2005 Measurement of fluid flow in closed conduits－Methods using transit-time ultrasonic flowmeters
KS B ISO 5167-2:2004 Measurement of fluid flow by means of pressure differential devices inserted in circular-cross section conduits running full-Part 2:Orifice plates
KS B ISO 5167-2:2014 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 2: Orifice plates
KS B ISO 4053-4:2001 Measurement of gas flow in conduits-Tracer methods-Part 4:Transit time method using radioactive tracers
KS B ISO 4053-4:2015 Measurement of gas flow in conduits－Tracer methods－Part 4：Transit time method using radioactive tracers
KS B ISO 2186-2015(2020) Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements
KS B ISO 10790-2003(2018) Measurement of fluid flow in closed conduits－Guidance to the selection, installation and use of Coriolis meters (mass flow, density and volume flow measurements)
KS B ISO 2975-3:2004 Measurement of water flow in closed conduits-Tracer methods-Part 3:Constant rate injection method using radioactive tracers
KS B ISO 2975-3:2014 Measurement of water flow in closed conduits — Tracer methods — Part 3: Constant rate injection method using radioN tracers
KS B ISO 10790:2003 Measurement of fluid flow in closed conduits－Guidance to the selection, installation and use of Coriolis meters (mass flow, density and volume flow measurements)
KS B ISO 2975-2:2004 Measurement of water flow in closed conduits-Tracer methods-Part 2:Constant rate injection method using non-radioactive tracers
KS B ISO 2975-2:2014 Measurement of water flow in closed conduits — Tracer methods — Part 2: Constant rate injection method using non-radioN tracers
KS B ISO 5167-1:2004 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full-Part 1:General principles and requirements
KS B ISO 5167-1:2014 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 1: General principles and requirements
KS B ISO 5167-3:2014 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 3: Nozzles and Venturi nozzles

KR-KS, The velocity of the gas in the pipe

KS E ISO 7194-1-2018 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 static tubes
KS E ISO 7194-1-2018(2023) 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 static tubes
KS I ISO 14164-2021 Stationary source emissions — Determination of the volume flowrate of gas streams in ducts — Automated method
KS B ISO TR 11328-2020 Measurement of liquid flow in open channels - Equipment for the measurement of discharge under ice conditions
KS B ISO TS 15768-2020 Measurement of liquid velocity in open channels —Design, selection and use of electromagnetic current meters
KS M ISO 16010-2022 Elastomeric seals Material requirements for seals used in pipes and fittings carrying gaseous fuels and hydrocarbon fluids
KS B ISO 10790-2003(2023) Measurement of fluid flow in closed conduits－Guidance to the selection, installation and use of Coriolis meters (mass flow, density and volume flow measurements)
KS B ISO TS 15769-2014 Hydrometric determinations — Liquid flow in open channels and partly filled pipes — Guidelines for the application of Doppler-based flow measurements

RO-ASRO, The velocity of the gas in the pipe

STAS R 9661-1974 HydrauFc drives SPEEDS OF WORKING LIQUID IN PIPES
STAS 10487/1-1976 Determination of fluid flow in pressure pipe systems DETERMINATION OF WATER FLOW BY THE INJECTION METHOD General specifications
STAS 7347/1-1983 Measurement of fluid flow in pressure pipe systems METHOD BY THROTTLING THE FLOW SEGTION. MEASUREMENT BYORIFICEPLATESAND NOZZLES
STAS 8589-1970 IDENTIFICATION COLOURS FOR PIPES CONVEYING FLUIDS IN LIQUID OR GASEOUS CONDITION IN LAND INSTALLATIONS AND ON BOARD SHIPS

Lithuanian Standards Office , The velocity of the gas in the pipe

LST ISO 10780:2003 Stationary source emissions. Measurement of velocity and volume flowrate of gas streams in ducts (idt ISO 10780:1994)
LST EN ISO 8316:2001 Measurement of liquid flow in closed conduits - Method by collection of the liquid in a volumetric tank (ISO 8316:1987)
LST ISO 14164:2001 Stationary source emissions - Determination of the volume flowrate of gas streams in ducts - Automated method (identical ISO 14164:1999)
LST EN 24006-2011 Measurement of fluid flow in closed conduits - Vocabulary and symbols (ISO 4006:1991)
LST EN 29104-2001 Measurement of fluid flow in closed conduits - Methods of evaluating the performance of electromagnetic flow-meters for liquids (ISO 9104:1991)
LST EN 24185+AC-2001 Measurement of liquid flow in closed conduits - Weighing method (ISO 4185:1980)
LST EN ISO 6817:2001 Measurement of conductive liquid flow in closed conduits - Methods using electromagnetic flow-meters (ISO 6817:1992)
LST EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997)
LST EN ISO 5167-2:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO 5167-2:2003)
LST EN 13491-2004 Geosynthetic barriers - Characteristics required for use as a fluid barrier in the construction of tunnels and underground structures
LST EN 13491-2004/A1-2007 Geosynthetic barriers - Characteristics required for use as a fluid barrier in the construction of tunnels and underground structures
LST EN ISO 15002:2008 Flow-metering devices for connection to terminal units of medical gas pipeline systems (ISO 15002:2008)

ESDU - Engineering Sciences Data Unit, The velocity of the gas in the pipe

ESDU 83046 A-2007 Fluid transients in pipes and tunnels. Speed of propagation of pressure waves.
ESDU 83046-1983 FLUID TRANSIENTS IN PIPES AND TUNNELS Speed of Propagation of Pressure Waves
ESDU 74028 D-2007 One-dimensional compressible gas flow in ducts.
ESDU 74028-1993 ONE-DIMENSIONAL COMPRESSIBLE GAS FLOW IN DUCTS
AERO 00.02.05 A-1981 Heat transfer under conditions of forced convection for the subsonic turbulent flow of gases in smooth straight ducts of constant cross section.
ESDU 81004-1981 Mass flow and momentum functions for one-dimensional flow of gas in ducts.
SPF-M4-5-2007 Fluid Dynamic Gauging (FDG) in duct flows.
AERO 00.03.26 A-1973 Wall and average gas temperatures for subsonic turbulent flow with heat transfer in ducts of constant circular cross section.
ESDU 86015-1986 FLUID TRANSIENTS IN PIPES Estimation of Maximum Pressures and Forces in Steam Lines
ESDU 86015 B-2007 Fluid transients in pipes. Estimation of maximum pressures and forces in steam lines.
ESDU 85009 A-2007 Fluid transients in pipes. Use of air inlet/outlet valves as surge suppression devices.
ESDU 74029 E-2012 Friction losses for fully-developed flow in straight pipes of constant cross section – subsonic compressible flow of gases
ESDU 84013 B-2007 Fluid transients in pipes. Reduction and control of pressure surges in liquids.
ESDU 84013 A-1984 FLUID TRANSIENTS IN PIPES Reduction and control of pressure surges in liquids
ESDU 74029 E-2007 Friction losses for fully-developed flow in straight pipes of constant cross section - subsonic compressible flow of gases.
ESDU 74029 D-1993 FRICTION LOSSES FOR FULLY-DEVELOPED FLOW IN STRAIGHT PIPES OF CONSTANT CROSS-SECTION - SUBSONIC COMPRESSIBLE FLOW OF GASES
ESDU 89030 A-2011 Pipeline Vibrations Fluid transients in non-rigid@ unbranched planar piping systems
ESDU 89030 A-2007 Pipeline vibrations. Fluid transients in non-rigid@ unbranched planar piping systems.
ESDU 82009 C-1993 COMPRESSIBLE FLOW OF GASES Pressure losses across orifice plates@ perforated plates and thick orifice plates in ducts
ESDU 84038 A-2007 Fluid transients in pipes. Pressure surge following pump trip in rising mains and other similar discharge lines. Suppression using air vessels.
ESDU 84038-1984 FLUID TRANSIENTS IN PIPES Pressure surge following pump trip in rising mains and other similar discharge lines. Suppression using air vessels
ESDU 85009-1985 FLUID TRANSIENTS IN PIPES Use of air inlet/outlet valves as surge suppression devices
ESDU 93031-1994 PIPELINE VIBRATIONS Computer program for the prediction of fluid transients in flexible@ unbranched three-dimensional piping systems
ESDU 93031 A-2007 Pipeline vibrations. Computer program for the prediction of fluid transients in flexible@ unbranched three-dimensional piping systems.
ESDU 93031 A-2011 Pipeline vibrations. Computer program for the prediction of fluid transients in flexible@ unbranched three-dimensional piping systems
AERO B.S.02.03.02 C-1996 External wave drag at zero incidence in inviscid flow of simple ducted forebodies and truncated afterbodies.
ESDU 82009 D-2007 Compressible flow of gases. Pressure losses and discharge coefficients of orifice plates@ perforated plates and thick orifice plates in ducts.
ESDU 81039 C-2007 Flow of liquids. Pressure losses across orifice plates@ perforated plates and thick orifice plates in ducts.
ESDU 81039 B-1985 FLOW OF LIQUIDS Pressure losses across orifice plates@ perforated plates and thick orifice plates in ducts
ESDU 04006 A-2008 Pressure gradient in upward adiabatic flows of gas liquid mixtures in vertical pipes.
ESDU 04006-2004 Pressure gradient in upward adiabatic flows of gas-liquid mixtures in vertical pipes
ESDU 04006 B-2012 Pressure gradient in upward adiabatic flows of gas-liquid mixtures in vertical pipes
ESDU 83017 A-1992 The wave drag coefficient of spherically blunted secant ogive forebodies of fineness ratio 1.0@ 1.5@ and 2.0 at zero incidence in transonic flow.
ESDU 85044-1985 FLUID TRANSIENTS IN PIPES Pressure surge following booster pump trip. Suppression using pump bypass
ESDU 85044 A-2007 Fluid transients in pipes. Pressure surge following booster pump trip. Suppression using pump bypass.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, The velocity of the gas in the pipe

GB/T 25922-2023 Measurement of fluid flow in closed pipes The flow is measured with a vortex flowmeter installed in a pipe of circular cross-section filled with fluid
GB/T 25922-2010 Measurement of fluid flow in closed conduits.Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
GB/Z 35588-2017 Measurement of wet gas flow by means of pressure differential devices inserted in circular cross-section conduits
GB/T 18940-2003 Measurement of gas flow in closed conduits--Turbine meters
GB/T 2624.2-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 2: Orifice plates
GB/T 2624.4-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 4: Venturi tubes
GB/T 17611-1998 Measurement of fluid flow in closed conduits--Vocabulary and symbols
GB/T 20727-2006 Measurement of fluid flow in closed conduits Thermal mass flowmeters
GB/T 17612-1998 Measurement of liquid flow in closed conduits--Weighing method
GB/T 18659-2023 Guidelines for the use of electromagnetic flowmeters for measuring fluid flow in closed pipes
GB/T 2624.1-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
GB/T 30243-2013 Measurement of fluid flow in closed conduits.Specifications for V-cone pressure differential flow measuring device
GB/T 2624.3-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 3: Nozzles and Venturi nozzles
GB/T 18660-2002 Measurement of conductive liquid flow in closed conduits--Method using electromagnetic flowmeters
GB/T 26570.1-2011 Determination of particle in gases.Light-scattering method.Part 1:Determination of particle in pipeline gases
GB/T 20728-2006 Measurement of fluid flow in closed conduits Guidance to the selection installation and use of Coriolis meters
GB/T 18659-2002 Measurement of fluid flow in closed conduits--Methods of evaluating the performance of electromagnetic flow-meters for liquids
GB/T 28416-2012 Corrosion tests in artificial atmospheres.Accelerated corrosion tests involving alternate exposure to corrosion-promoting gases,neutral salt-spray and drying
GB/T 20729-2006 Measurement of conductive liquid flow in closed conduits Flanged electromagnetic flowmeters Overall length
GB/T 26801-2011 Fluid flow in closed conduits.Connections for pressure signal transmissions between primary and secondary elements

International Organization for Standardization (ISO), The velocity of the gas in the pipe

ISO 3354:1988 Measurement of clean water flow in closed conduits; velocity-area method using current-meters in full conduits and under regular flow conditions
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
ISO 7194:1983 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 static tubes
ISO/PRF 24460:2023 Measurement of fluid flow rate in closed conduits — Radioactive Tracer Methods
ISO 3966:1977 Measurement of fluid flow in closed conduits; Velocity area method using Pitot static tubes
ISO 9951:1993 Measurement of glas flow in closed conduits; turbine meters
ISO 7145:1982 Determination of flowrate of fluids in closed conduits of circular cross-section; Method of velocity measurement at one point of the cross-section
ISO 3966:2008 Measurement of fluid flow in closed conduits - Velocity area method using Pitot static tubes
ISO 9951:1993/cor 1:1994 Measurement of gas flow in closed conduits - Turbine meters; Technical Corrigendum 1
ISO 14164:1999 Stationary source emissions - Determination of the volume flowrate of gas streams in ducts - Automated method
ISO 3354:1975 Measurement of clean water flow in closed conduits — Velocity-area method using current-meters
ISO 10780:1994 Stationary source emissions - Measurement of velocity and volume flowrate of gas streams in ducts
ISO/DIS 24062 Measurement of fluid flow in closed conduits — Clamp-on ultrasonic transit-time meters for liquids and gases
ISO/FDIS 24062:2023 Measurement of fluid flow in closed conduits — Clamp-on ultrasonic transit-time meters for liquids and gases
ISO 4053-1:1977 Measurement of gas flow in conduits; Tracer methods; Part I : General
ISO/CD 17778 Plastics piping systems — Fittings, valves and ancillaries — Determination of gaseous flow rate/pressure drop relationships
ISO 5167-2:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates
ISO 5167-4:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes
ISO 4006:1977 Measurement of fluid flow in closed conduits — Vocabulary and symbols
ISO 14511:2001 Measurement of fluid flow in closed conduits - Thermal mass flowmeters
ISO 14511:2019 Measurement of fluid flow in closed conduits — Thermal mass flowmeters
ISO 17089-2:2012 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas - Part 2: Meters for industrial applications
ISO 5167-5:2016 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 5: Cone meters
ISO 8316:1987 Measurement of liquid flow in closed conduits; Method by collection of the liquid in a volumetric tank
ISO/DIS 24460 Measurement of fluid flow rate in closed conduits — Radioactive Tracer Methods
ISO 3966:2020 Measurement of fluid flow in closed conduits — Velocity area method using Pitot static tubes
ISO 17778:2015 Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships
ISO 4185:1980 Measurement of liquid flow in closed conduits; Weighing method
ISO 10790:1994 Measurement of fluid flow in closed conduits — Coriolis mass flowmeters
ISO 20456:2017 Measurement of fluid flow in closed conduits - Guidance for the use of electromagnetic flowmeters for conductive liquids
ISO/TR 3313:1998 Measurement of fluid flow in closed conduits - Guidelines on the effects of flow pulsations on flow-measurement instruments
ISO/TR 3313:2018 Measurement of fluid flow in closed conduits - Guidelines on the effects of flow pulsations on flow-measurement instruments
ISO 9104:1991 Measurement of fluid flow on closed conduits; methods of evaluating the performance of electromagnetic flow-meters for liquids
ISO 5167-1:2003 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/TR 11583:2012 Measurement of wet gas flow by means of pressure differential devices inserted in circular cross-section conduits
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 24460:2023 Measurement of fluid flow rate in closed conduits — Radioactive tracer methods
ISO/TR 6817:1980 Measurement of conductive fluid flowrate in closed conduits — Method using electromagnetic flowmeters
ISO 5167-3:2003 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 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 static tubes
ISO 5167:1980 Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
ISO/TR 12765:1998 Measurement of fluid flow in closed conduits - Methods using transit-time ultrasonic flowmeters
ISO 4006:1991 Measurement of fluid flow in closed conduits; vocabulary and symbols
ISO 17089-1:2010 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas - Part 1: Meters for custody transfer and allocation measurement
ISO 6817:1992 Measurement of conductive liquid flow in closed conduits; method using electromagnetic flowmeters
ISO 14009:2020 Environmental management systems - Guidelines for incorporating material circulation in design and development
ISO 4185:1980/cor 1:1993 Measurement of liquid flow in closed conduits; weighing method; technical corrigendum 1
ISO 4053-4:1978 Measurement of gas flow in conduits; Tracer methods; Part IV : Transit time method using radioactive tracers
ISO 13359:1998 Measurement of conductive liquid flow in closed conduits - Flanged electromagnetic flowmeters - Overall length
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 2186:2007 Fluid flow in closed conduits - Connections for pressure signal transmissions between primary and secondary elements
ISO 5176-1:1991 Measurement of fluid flow by means of pressure differential devices; part 1: orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
ISO 5167-1:1991 Measurement of fluid flow by means of pressure differential devices; part 1: orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
ISO 12569:2017 Thermal performance of buildings and materials — Determination of specific airflow rate in buildings — Tracer gas dilution method
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
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 2186:1973 Fluid flow in closed conduits; Connections for pressure signal transmissions between primary and secondary elements
ISO/R 508:1966 Identification colours for pipes conveying fluids in liquid or gaseous condition in land installations and on board ships
ISO 2975-3:1976 Measurement of water flow in closed conduits; Tracer methods; Part III : Constant rate injection method using radioactive tracers
ISO 10790:1999 Measurement of fluid flow in closed conduits - Guidance to the selection, installation and use of Coriolis meters (mass flow, density and volume flow measurements)
ISO 2975-2:1975 Measurement of water flow in closed conduits; Tracer methods; Part II : Constant rate injection method using non-radioactive tracers
ISO 5167-1:1991/Cor 1:1997 Measurement of fluid flow by means of pressure differential devices - Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full - Technical Corrigendum 1
ISO 16010:2019 Elastomeric seals — Material requirements for seals used in pipes and fittings carrying gaseous fuels and hydrocarbon fluids

BE-NBN, The velocity of the gas in the pipe

NBN E 17-004-1988
NBN E 17-201-1986
NBN X 44-002-1976 Cleaning equipment for air and other gases - Dust sampling in gas flows and determination of the dustcontents of the gas
NBN E 17-202-1986
NBN 69-1972

AENOR, The velocity of the gas in the pipe

UNE 77225:2000 Stationary source emissions. Measurement of velocity and volume flow rate of streams in ducts.
UNE 77227:2001 Stationary source emissions. Determination of the volume flowrate of gas stream in ducts. Automated method.
UNE-EN ISO 8316:1996 MEASUREMENT OF LIQUID FLOW IN CLOSED CONDUITS. METHOD BY COLLECTION OF THE LIQUID IN A VOLUMETRIC TANK. (ISO 8316:1987).
UNE-EN 24185:1994 MEASUREMENT OF LIQUID FLOW IN CLOSED CONDUITS. WEIGHING METHOD.
UNE-EN 24006:1997 MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS. VOCABULARY AND SYMBOLS. (ISO 4006:1991).
UNE-EN 29104:1996 MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS. METHODS OF EVALUATING THE PERFORMANCE OF ELECTROMAGNETIC FLOW-METERS FOR LIQUIDS. (ISO 9104:1991).
UNE 60403:2005/2M:2013 Interrupting security valve on minimun pressure for gas installations with a flow of up to 4,8 m3 (n)/h of air.
UNE 60403:2005 Interrupting security valve on minimun pressure for gas installations with a flow of up to 4,8 m3 (n)/h of air.
UNE 60403:2005/1M:2007 Interrupting security valve on minimun pressure for gas installations with a flow of up to 4,8 m3 (n)/h of air.
UNE-EN ISO 6817:1996 MEASUREMENT OF CONDUCTIVE LIQUID FLOW IN CLOSED CONDUITS. METHOD USING ELECTROMAGNETIC FLOWMETERS. (ISO 6817:1992).
UNE-EN ISO 10720:2008 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997)
UNE 60670-11:2014 Gas installations pipework supplied at maximum operating pressure (MOP) up to and including 5 bar. Part 11: Operations on installations pipework in service.
UNE-EN ISO 16911-1:2013 Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 1: Manual reference method (ISO 16911-1:2013)
UNE-EN ISO 16911-2:2014 Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 2: Automated measuring systems (ISO 16911-2:2013)
UNE-EN ISO 5167-2:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO 5167-2:2003)
UNE-EN ISO 15002:2008 Flow-metering devices for connection to terminal units of medical gas pipeline systems (ISO 15002:2008)

National Aeronautics and Space Administration (NASA), The velocity of the gas in the pipe

NASA NACA-RM-E53H25-1953 Jet effects on flow over afterbodies in supersonic stream
NASA-TN-D-3953-1967 Local heat-transfer coefficients and static pressures for condensation of high-velocity steam within a tube
NASA NACA-RM-E50H23-1950 Correlation of forced-convection heat-transfer data for air flowing in smooth platinum tube with long-approach entrance at high surface and inlet-air temperatures
NASA NACA-RM-L54E19 REV A-1954 Some internal-flow characteristics of several axisymmetrical NACA 1-series nose air inlets at zero flight speed
NASA-TN-D-3326-1966 Local heat-transfer coefficients for condensation of steam in vertical downflow within a 5/8-inch-diameter tube

British Standards Institution (BSI), The velocity of the gas in the pipe

BS 1042-2.2:1983 Measurement of fluid flow in closed conduits. Velocity area methods. Method of measurement of velocity at one point of a conduit of circular cross section
BS ISO 24460:2023 Measurement of fluid flow rate in closed conduits. Radioactive tracer methods
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
BS ISO 3966:2020 Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes
BS ISO TR 12764:1997 Measurement of fluid flow in closed conduits - Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
BS ISO TR 12764:1998 Measurement of fluid flow in closed conduits. Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
BS ISO 3966:2008 Measurement of fluid flow in closed conduits - Velocity area method using Pitot static tubes
BS 1042 Sec.2.3:1984 Measurement of fluid flow in closed conduits. Velocity area methods. Methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
BS 1042 Sec.2.2:1983 Measurement of fluid flow in closed conduits. Velocity area methods. Method of measurement of velocity at one point of a conduit of circular cross section
BS 7834:1995 Specification for turbine meters used for the measurement of gas flow in closed conduits
BS EN ISO 5167-5:2016 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. Cone meters
BS EN 12117:1998 Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships
BS EN ISO 17778:2015 Plastics piping systems. Fittings, valves and ancillaries. Determination of gaseous flow rate/pressure drop relationships
BS 5857-2.1:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of gas flow. General
BS EN 24185:1993 Measurement of fluid flow in closed conduits. Weighing method
BS 1042 Sec.2.4:1989 Measurement of fluid flow in closed conduits. Velocity-area methods. Method of measurement of clean water flow using current meters in full conduits and under regular flow conditions
23/30456713 DC BS ISO 24062. Measurement of fluid flow in closed conduits. Clamp-on ultrasonic transit-time meters for liquids and gases
BS EN 24006:1993 Measurement of fluid flow in closed conduits. Vocabulary and symbols
DD CEN/TS 15280:2006 Evaluation of a.c. corrosion likelihood of buried pipelines — Application to cathodically protected pipelines
BS PD ISO/TR 3313:2018 Measurement of fluid flow in closed conduits. Guidelines on the effects of flow pulsations on flow-measurement instruments
BS EN ISO 20456:2019 Measurement of fluid flow in closed conduits. Guidance for the use of electromagnetic flowmeters for conductive liquids
DD CLC/TS 50430:2005 Optical fibre cables. Gas pipe cables. Family specifications for cables to be installed in high pressure gas pipes
BS ISO 15086-2:2000 Hydraulic fluid power - Determination of fluid-borne noise characteristics of components and systems - Measurement of speed of sound in a fluid in a pipe
BS EN ISO 5167-4:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. Venturi tubes
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
BS ISO 14511:2019 Tracked Changes. Measurement of fluid flow in closed conduits. Thermal mass flowmeters
BS ISO 12764:2017 Tracked Changes. Measurement of fluid flow in closed conduits. Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
BS EN ISO 8316:1997 Method of liquid flow in closed conduits. Method by collection of the liquid in a volumetric tank
BS ISO/TR 12765:1998 Measurement of fluid flow in closed conduits. Methods using transit-time ultrasonic flowmeters
BS EN ISO 5167-2:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Orifice plates
16/30323541 DC BS ISO 20456. Measurement of fluid flow in closed conduits. Guidance for the use of electromagnetic flowmeters for conductive liquids
BS 5857-2.4:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of gas flow. Transit time method using radioactive tracers
DD CLC/TS 50430-2005 Optical fibre cables-Gas pipe cables-Family specification for cables to be installed in high pressure gas pipes
22/30404754 DC BS ISO 24460. Measurement of fluid flow rate in closed conduits. Radioactive Tracer Methods
BS ISO TR 3313:1998 Measurement of fluid flow in closed conduits - Guidelines on the effects of flow pulsations on flow-measurement instruments
BS ISO/TR 12765:1999 Measurement of fluid flow in closed conduits. Methods using transit-time ultrasonic flowmeters
BS ISO 14164:1999 Stationary source emissions - Determination of the volume flowrate of gas streams in ducts - Automated method
PD ISO/TR 3313:2018 Tracked Changes. Measurement of fluid flow in closed conduits. Guidelines on the effects of flow pulsations on flow-measurement instruments
BS ISO 10094-1:2010 Pneumatic fluid power. Electro-pneumatic pressure control valves. Main characteristics to include in the supplier's literature
BS ISO 10041-1:2010 Pneumatic fluid power. Electro-pneumatic continuous flow control valves. Main characteristics to include in the supplier's literature
BS ISO 17089-1:2019 Tracked Changes. Measurement of fluid flow in closed conduits. Ultrasonic meters for gas. Meters for custody transfer and allocation measurement
BS ISO 2186:2007 Fluid flow in closed conduits - Connections for pressure signal transmissions between primary and secondary elements
PD ISO/TR 11583:2012 Measurement of wet gas flow by means of pressure differential devices inserted in circular cross-section conduits
BS EN ISO 5167-3:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. Nozzles and Venturi nozzles
BS EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - General principles and requirements
BS EN ISO 15002:2008+A1:2019 Flow-metering devices for connection to terminal units of medical gas pipeline systems
BS EN ISO 13760:2000 Plastics pipes for the conveyance of fluids under pressure. Miners rule. Calculation method for cumulative damage
BS 1042 Sec.2.1:1983 Measurement of fluid flow in closed conduits. Velocity area methods. Method using Pitot static tubes
BS ISO 9110-2:2020 Hydraulic fluid power. Measurement techniques - Measurement of average steady-state pressure in a closed conduit
BS ISO 10790:2015 Measurement of fluid flow in closed conduits. Guidance to the selection, installation and use of Coriolis flowmeters (mass flow, density and volume flow measurements)
BS ISO 10041-2:2010 Pneumatic fluid power. Electro-pneumatic continuous flow control valves. Test methods to determine main characteristics to include in the supplier's literature
BS EN ISO 5167-4:2022 Tracked changes. Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. Venturi tubes (ISO 5167-4:2022)
BS EN 13491:2013 Geosynthetic barriers. Characteristics required for use as a fluid barrier in the construction of tunnels and associated underground structures
BS EN 13491:2018 Geosynthetic barriers. Characteristics required for use as a fluid barrier in the construction of tunnels and associated underground structures
BS ISO 10094-2:2010 Pneumatic fluid power. Electro-pneumatic pressure control valves. Test methods to determine main characteristics to include in the supplier's literature
BS ISO 10790:1999 Measurement of fluid flow in closed conduits. Guidance to the selection, installation and use of Coriolis meters (mass flow, density and volume flow measurements)
BS 5857-1.5:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of water flow. Transit time method using radioactive tracers

API - American Petroleum Institute, The velocity of the gas in the pipe

API 4073-1969 Gas-Liquid Flow in pipelines
API 4073 V2-1970 Gas-Liquid Flow in pipelines
API TR 13M-5-2018 Procedure for Testing and Evaluating the Performance of Friction (Drag) Reducers in Aqueous-based Fluid Flowing in Straight@ Smooth Circular Conduits (FIRST EDITION)

Danish Standards Foundation, The velocity of the gas in the pipe

DS/EN ISO 8316:1996 Measurement of liquid flow in closed conduits - Method by collection of the liquid in a volumetric tank
DS/ISO 14164:1999 Stationary source emissions - Determination of the volume flowrate of gas streams in ducts - Automated method
DS/EN 24006:1993 Measurement of fluid flow in closed conduits. Vocabulary and symbols
DS/EN 24006:1994 Measurement of fluid flow in closed conduits - Vocabulary and symbols
DS/ISO 4006:1994 Measurement of fluid flow in closed conduits - Vocabulary and symbols
DS/EN 24185:1993 Measurement of liquid flow in closed conduits. Weighing method
DS/EN 24185:1994 Measurement of liquid flow in closed conduits - Weighing method
DS/ISO 4185:1994 Measurement of liquid flow in closed conduits - Weighing method
DS/EN 29104:1994 Measurement of fluid flow in closed conduits - Methods of evaluating the performance of electromagnetic flow-meters for liquids
DS/ISO 9104:1994 Measurement of fluid flow in closed conduits - Methods of evaluating the performance of electromagnetic flow-meters for liquids
DS/CLC/TS 50430:2005 Optical fibre cables - Gas pipe cables - Family specification for cables to be installed in high pressure gas pipes
DS/EN 29104:1993 Measurement of fluid flow in closed conduits. Methods of evaluating the performance of electromagnetic flow-meters for liquids
DS/EN ISO 6817:1996 Measurement of conductive liquid flow in closed conduits - Method using electromagnetic flowmeters
DS/EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
DS/EN ISO 16911-1:2013 Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 1: Manual reference method
DS/EN ISO 16911-2:2013 Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 2: Automated measuring systems
DS/EN ISO 15002:2008 Flow-metering devices for connection to terminal units of medical gas pipeline systems
DS/EN ISO 5167-4:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes
DS/EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
DS/EN ISO 5167-2:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates

未注明发布机构, The velocity of the gas in the pipe

BS EN ISO 8316:1997(1999) Measurement of liquid flow in closed conduits — Method by collection of the liquid in a volumetric tank
BS 5857-2.1:1980(1999)*ISO 4053-I:1977 Methods for measurement of Fluid flow in closed conduits, using tracers — Part 2 : Measurement of gas flow — Section 2.1 General [ ISO title : Measurement of gas flow in conduits — Tracer methods — Part I : General ]
BS ISO/TR 12764:1997(1999) Measurement of fluid flow in closed conduits — Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross - section conduits running full
ASME MFC-2M-1983 Uncertainty in liquid flow measurements in sealed pipes
BS 7405:1991(2000) Guide to Selection and application of flowmeters for the measurement of fluid flow in closed conduits
BS ISO/TR 3313:1998(1999) Measurement of fluid flow in closed conduits — Guidelines on the effects of flow pulsations on flow - measurement instruments
BS EN ISO 6817:1997(1999) Measurement of conductive liquid flow in closed conduits — Method using electromagnetic flowmeters
BS ISO 13359:1998(1999) Measurement of conductive liquid flow in closed conduits — Flanged electromagnetic flowmeters — Overall length
BS 5857-1.1:1980(2008)*ISO 2975-I:1974 Methods for measurement of Fluid flow in closed conduits, using tracers — Part 1 : Measurement of water flow — Section 1.1 General [ ISO title : Measurement of water flow in closed conduits — Tracer methods — Part I : General ]
BS 1042-1.4:1992(1998) Measurement of fluid flow in closed conduits — Part 1 : Pressure differential devices — Section 1.4 Guide to the use of devices specified in Sections

TR-TSE, The velocity of the gas in the pipe

TS 3072-1978 Measurement Of Clean Water Flow In Closed Conduits - Velocity - Area Method Using Current - Meters
TS 3418-1979 MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS VOCABULARY AND SYMBOLS
TS 3417-1979 MEASUREMENT OP FLUID PLOW IN CLOSED CONDUITS - VELOCITY AREA METHOD USING PITOT STATIC TUBES
TS 2022-1975 FLUID FLOW ?N CLOSED CONDUITS — CONNECTIONS FOR PRESSURE SIGNAL TRANSMISSIONS BETWEEN PRIMARY AND SECONDARY ELEMENTS
TS 2543-1977 MEASUREMENT OF WATER FLOW ?N CLOSED CONDUTTS-TRACER METHODS PART II: CONSTANT RATE INJECTION METHOD USING NON-RADIOACTIVE TRACERS

German Institute for Standardization, The velocity of the gas in the pipe

DIN EN ISO 8316:1995-11 Measurement of liquid flow in closed conduits - Method by collection of the liquid in a volumetric tank (ISO 8316:1987); German version EN ISO 8316:1995
DIN EN ISO 20456:2020-09 Measurement of fluid flow in closed conduits - Guidance for the use of electromagnetic flowmeters for conductive liquids (ISO 20456:2017); German version EN ISO 20456:2019
DIN EN 24006:1993-08 Measurement of fluid flow in closed conduits; vocabulary and symbols (ISO 4006:1991); German version EN 24006:1993
DIN EN ISO 20456:2020 Measurement of fluid flow in closed conduits - Guidance for the use of electromagnetic flowmeters for conductive liquids (ISO 20456:2017)
DIN EN 24185:1993-08 Measurement of liqid flow in closed conduits; weighing method (ISO 4185:1980); German version EN 24185:1993
DIN EN ISO 16911-2:2013-06 Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 2: Automated measuring systems (ISO 16911-2:2013); German version EN ISO 16911-2:2013
DIN EN ISO 16911-1:2013-06 Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 1: Manual reference method (ISO 16911-1:2013); German version EN ISO 16911-1:2013
DIN EN ISO 5167-2:2004 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO 5167-2:2003); German version EN ISO 5167-2:2003
DIN EN ISO 5167-5:2016 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 5: Cone meters (ISO 5167-5:2016); German version EN ISO 5167-5:2016
DIN EN ISO 5167-1:2004 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 5167-1:2003); German version EN ISO 5167-1:2003
DIN EN ISO 15002:2008 Flow-metering devices for connection to terminal units of medical gas pipeline systems (ISO 15002:2008); English version of DIN EN ISO 15002:2008-11
DIN EN ISO 15002:2020-05 Flow-metering devices for connection to terminal units of medical gas pipeline systems (ISO 15002:2008 + Amd.1:2018); German version EN ISO 15002:2008 + A1:2019 / Note: To be replaced by DIN EN ISO 15002 (2022-07).
DIN EN ISO 15351:2010-08 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999); German version EN ISO 15351:2010
DIN V 65900-14:1998-09 Aerospace series - Design and construction of pipeline for fluids in liquid or Gaseous condition - Rigid lines, installation (AECMA Technical Report TR 2674:1997)

American National Standards Institute （ANSI), The velocity of the gas in the pipe

ANSI/ASME MFC-1-2014 Glossary of Terms Used in the Measurement of Fluid Flow in Pipes
ANSI/ASME MFC-6M-1998 Fluid Flow in Pipes Using Vortex Flow Meters, Measurement of
ISO/DIS 24062:2023 Measurement of fluid flow in closed conduits - Clamp-on ultrasonic transit-time meters for liquids and gases
ANSI/ASME MFC-2M-1983 Measurement Uncertainty for Fluid Flow in Closed Conduits
ANSI/ASME MFC-3M-2004 Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi
ANSI/ASME MFC-3Ma-2007 Measurement of Fluid Flow in Pipes Using Orifice, Nozzle and Venturi
ANSI/ASTM F1201:1988 Specification for Fluid Conditioner Fittings in Piping Applications Above 0oF
ANSI/ASME MFC-18M-2001 Measurement of Fluid Flow in Pipes Using Variable Area Meters
ANSI/ASME B16.33-2012 Manually Operated Metallic Gas Valves for Use in Gas Piping Systems up to 125 PSI
ANSI/ISEA 102-1990 Gas Detector Tube Units - Short Term Type for Toxic Gases and Vapors in Working Environments
ANSI/ASTM E2652:2012 Test Method for Behavior of Materials in a Tube Furnace with a Cone-Shaped Airflow Stabilizer, at 750 C
ANSI/ASME MFC-12M-2006 Measurement of Fluid Flow in Closed Conduits Using Multiport Averaging Pitot Primary Elements
ANSI/NFPA 56PS-2013 Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems

American Society of Mechanical Engineers (ASME), The velocity of the gas in the pipe

ASME MFC-1-2015 Glossary of Terms Used in the Measurement of Fluid Flow in Pipes
ASME MFC-1-2014 Glossary of Terms Used in the Measurement of Fluid Flow in Pipes
ASME MFC-6M-1987 Measurement of fluid flow in pipes using vortex flow meters
ASME MFC-13M-2006 Measurement of Fluid Flow in Closed Conduits: Tracer Methods
ASME MFC-13M-2006(R2014) Measurement of Fluid Flow in Closed Conduits:Tracer Methods
ASME MFC-6M Errata-1987 Measurement of fluid flow in pipes using vortex flow meters; Errata
ASME MFC-16-2014 Measurement of Liquid Flow in Closed Conduits with Electromagnetic Flowmeters
ASME MFC-16M-1995 Measurement of fluid flow in closed conduits by means of electromagnetic flowmeters
ASME MFC-16-2014(R2019) Measurement of Liquid Flow in Closed Conduits with Electromagnetic Flowmeters
ASME MFC-3M-1985 Measurement of fluid flow in pipes using orifice, nozzle, and Venturi
ASME MFC-3M-1989 Measurement of fluid flow in pipes using orifice, nozzle, and Venturi
ASME MFC-3M-2004 Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi Date of Issuance: 8/15/2005
ASME MFC-5.1-2011(R2018) Measurement of Liquid Flow in Closed Conduits Using Transit-Time Ultrasonic Flowmeters
ASME MFC-3M ADD-2007 Measurement of Fluid Flow in Pipes Using Orifice@ Nozzle@ and Venturi
ASME MFC-5.1-2011 Measurement of Liquid Flow in Closed Conduits Using Transit-Time Ultrasonic Flowmeters
ASME MFC-5.3-2013(R2018) Measurement of Liquid Flow in Closed Conduits Using Doppler Ultrasonic Flowmeters
ASME B16.40-1985 Manually operated thermoplastic gas shutoffs and valves in gas distribution systems
ASME MFC-3Ma Addenda-2007 Addenda to ASME MFC-3M-2004 Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi
ASME MFC-5.3-2013 Measurement of Liquid Flow in Closed Conduits Using Doppler Ultrasonic Flowmeters
ASME MFC 12M-2006(R2014) Measurement of Fluid Flow in Closed Conduits Using Multiport Averaging Pitot Primary Elements
ASME MFC-8M-2001(R2016) Fluid Flow in Closed Conduits: Connections for Pressure Signal Transmissions Between Primary and Secondary Devices

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, The velocity of the gas in the pipe

GB/T 34041.2-2017 Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 2: Meters for industrial applications
GB/T 34041.1-2017 Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 1: Meters for custody transfer and allocation measurement
GB/T 35138-2017 Measurement of fluid flow in closed conduits—Ultrasonic transit-time meters for liquid

American Society for Testing and Materials (ASTM), The velocity of the gas in the pipe

ASTM D3464-96 Standard Test Method for Average Velocity in a Duct Using a Thermal Anemometer
ASTM E2029-11(2019) Standard Test Method for Volumetric and Mass Flow Rate Measurement in a Duct Using Tracer Gas Dilution
ASTM E2029-99(2004) Standard Test Method for Volumetric and Mass Flow Rate Measurement in a Duct Using Tracer Gas Dilution
ASTM E2029-99 Standard Test Method for Volumetric and Mass Flow Rate Measurement in a Duct Using Tracer Gas Dilution
ASTM E202-09 Standard Test Methods for Analysis of Ethylene Glycols and Propylene Glycols
ASTM F1201-88(1998) Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0176F
ASTM F1201-88(2010) Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0&176F
ASTM F1201-88(2016) Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0&xb0;F
ASTM F1201-88(2021) Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0 ��F
ASTM E2029-11 Standard Test Method for Volumetric and Mass Flow Rate Measurement in a Duct Using Tracer Gas Dilution

Association of German Mechanical Engineers, The velocity of the gas in the pipe

VDI/VDE 2640 Blatt 2-1981 Measurement of water flow in closed conduits; velocity-area method
VDI/VDE 2640 Blatt 3-1983 Measurement of gas flow in circular; annular or rectangular sections of conduits velocity area method
VDI/VDE 2642-1996 Ultrasonic fow-rate measurement of fluids in pipes under capacity flow conditions
VDI/VDE 2640 Blatt 1-1993 Measurement of fluid flow in closed conduits; general guidelines and mathematical basics

RU-GOST R, The velocity of the gas in the pipe

GOST R 55999-2014 In-line inspection of gas pipelines. General requirements
GOST 8.361-1979 State system for ensuring the uniformity of measurements. Technique of measuring by the velocity at a single point of a pipe cross-section
GOST R 58094-2018 Gas distribution systems. Gas distribution networks. Service life assessment in design of outdoor steel gas pipelines

International Telecommunication Union (ITU), The velocity of the gas in the pipe

ITU-T X.57-1989 Method of Transmitting a Single Lower Speed Data Channel on a 64 kbit/s Data Stream - Data Communication Networks - Transmission, Signalling and Switching, Network Aspects, Maintenance and Administrative Arrangements (Study Group VII) 2 pp
ITU-T X.57-1988 METHOD OF TRANSMITTING A SINGLE LOWER SPEED DATA CHANNEL ON A 64 kbit/s DATA STREAM

CZ-CSN, The velocity of the gas in the pipe

CSN ISO 7145:1994 Determination of flowrate of fluids in closed conduits of circular cross-section.Method of velocity measurement at one point of the cross-section
CSN ISO 5167-1:1993 Measurement of fluid flow by means of pressure differential devices. Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), The velocity of the gas in the pipe

ASHRAE 41.8-1989 Standard Methods of Measurement of Flow of Liquids in Pipes Using Orifice Flowmeters
ASHRAE 4841-2006 The Effect of Elbows on the Accuracy of Liquid Flow Measurement with an Insertion Flowmeter

European Committee for Standardization (CEN), The velocity of the gas in the pipe

EN ISO 5167-5:2016 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 5: Cone meters (ISO 5167-5:2016)
EN 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 5167-5:2022)
EN ISO 20456:2019 Measurement of fluid flow in closed conduits - Guidance for the use of electromagnetic flowmeters for conductive liquids (ISO 20456:2017)
EN ISO 8316:1995 Measurement of Liquid Flow in Closed Conduits - Method by Collection of the Liquid in a Volumetric Tank ISO 8316: 1987
EN 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 5167-4:2022)
EN 24185:1993/AC:1993 Measurement of liquid flow in closed conduits; weighing method (ISO 4185:1990); amendment
prEN ISO 16911-1 rev Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 1: Manual reference method
EN 12117:1997 Platics Piping Systems - Fittings, Valves and Ancillaries - Determination of Gaseous Flow Rate/Pressure Drop Relationships
EN ISO 6817:1995 Measurement of Conductive Liquid Flow in Closed Conduits - Method Using Electromagnetic Flowmeters ISO 6817: 1992
EN ISO 12569:2012 Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method
EN 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 (ISO 5167-6:2022)
prEN ISO 5167-2:2021 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO/DIS 5167-2:2021)
EN ISO 15002:2008 Flow-metering devices for connection to terminal units of medical gas pipeline systems [Superseded: CEN EN 13220]
EN 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 5167-1:2022)
EN 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 5167-3:2022)

CEN - European Committee for Standardization, The velocity of the gas in the pipe

PD CEN/TS 15280:2006 Evaluation of a.c. corrosion likelihood of buried pipelines Application to cathodically protected pipelines
EN ISO 5167-1:1995 Measurement of Fluid Flow by Means of Pressure Differential Devices - Part 1: Orifice Plates@ Nozzles and Venturi Tubes Inserted in Circular Cross-Section Conduits Running Full

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., The velocity of the gas in the pipe

ASHRAE 4640-2003 Application of Particle Image Velocimetry for the Measurement of the Airflow Characteristics in an Aircraft Cabin
ASHRAE 4548-2002 The Effects of Exhaust Air Velocity on Grease Deposition in Kitchen Exhaust Ductwork (RP 1033)
ASHRAE 3796-1994 Temperature-Based Variable for Monitoring Outdoor Coil Airflow in an Air-Source Heat Pump During Frost-Forming Conditions
ASHRAE 4394-2000 Experimental and Theoretical Investigation of Annular Film Flow Reversal in a Vertical Pipe: Application to Oil Return in Refrigeration Systems (The Full Text of This Paper Can Be Found in the International Journal of Heating@ Ventilating@ Air-Conditionin

NL-NEN, The velocity of the gas in the pipe

NEN 3050-1972 Kleuren voor het merken van pijpleidingen voor het vervoer van vloeibare of gasvormige stoffen in landinstallaties en aan boord van schepen
NEN-ISO 9104:1994 Measurement of fluid flow in xlosed conduits. Methods of evaluating the performance of electromagnetic flow-meters for liquids (ISO 9104:1991)
NEN-ISO 4185:1994 Measurement of liquid flow in closed conduits. Weighing method (ISO 4185:1980)
NEN 1091-1994 Safety requirements for steel gas transport pipelines operating at design pressures greater than 1 bar and not exceeding 16 bar

ES-AENOR, The velocity of the gas in the pipe

UNE 100-705-1991

ES-UNE, The velocity of the gas in the pipe

UNE-EN ISO 20456:2021 Measurement of fluid flow in closed conduits - Guidance for the use of electromagnetic flowmeters for conductive liquids (ISO 20456:2017)
UNE-EN ISO 5167-4:2023 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes (ISO 5167-4:2022)
UNE-EN ISO 5167-5:2016 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 5: Cone meters (ISO 5167-5:2016)
UNE-EN ISO 5167-6:2021 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 6: Wedge meters (ISO 5167-6:2019)

European Committee for Electrotechnical Standardization（CENELEC）, The velocity of the gas in the pipe

CLC/TS 50430:2005 Optical fibre cables - Gas pipe cables - Family specification for cables to be installed in high pressure gas pipes

BELST, The velocity of the gas in the pipe

STB 2299-2020 Measurement of liquid flow in closed conduits. Weighing method
STB 8064-2016 System for ensuring uniformity of measurements of the Republic of Belarus. Diaphragms mounted on pipelines to determine liquids and gases flow and quantity. Methods of verification
STB 17.08.05-02-2016 Environmental Protection and Nature Use. Air. Methods for determination of velocity and flowrate of gas emissions, released into the atmosphere from stationary sources of pollution

IEEE - The Institute of Electrical and Electronics Engineers@ Inc., The velocity of the gas in the pipe

IEEE S-135-1-1962 POWER CABLE AMPACITIES VOLUME I - COPPER CONDUCTORS INSULATIONS: IMPREGNATED PAPER VARNISHED CLOTH RUBBER AND THERMOPLASTIC ASBESTOS-VARNISHED CLOTH INSULATIONS: IN UNDERGROUND DUCTS BURIED DIRECTLY IN EARTH IN FREE AIR IN CONDUIT (IPCEA PUB.NO. P-46-426)

WRC - Welding Research Council, The velocity of the gas in the pipe

BULLETIN 417-1996 DESIGN GUIDE TO REDUCE POTENTIAL FOR VIBRATION CAUSED BY FLUID FLOW INSIDE PIPES-REVIEW AND SURVEY

American Welding Society (AWS), The velocity of the gas in the pipe

WRC 417:1996 Design Guide to Reduce Potential for Vibration Caused by Fluid Flow Inside Pipes - Review and Survey

Society of Automotive Engineers (SAE), The velocity of the gas in the pipe

SAE AIR1273A-2006 Identification and Coding of Fluid and Electrical Piping System Functions
SAE AIR1273-2011 IDENTIFICATION AND CODING OF FLUID AND ELECTRICAL PIPING SYSTEM FUNCTIONS

SAE - SAE International, The velocity of the gas in the pipe

SAE AIR1273A-1996 Identification and Coding of Fluid and Electrical Piping System Functions
SAE AIR1273B-2015 Identification and Coding of Fluid and Electrical Piping System Functions

IN-BIS, The velocity of the gas in the pipe

IS 9115-1979
IS 10084 Pt.2-1994
IS 13912-1993 Closure of diversion channel and open cut or conduit in the body of the dam. Code of practice
IS 2951 Pt.1-1965

AT-ON, The velocity of the gas in the pipe

ONORM EN 29104-1993 Measurement of fluid flow in closed conduits - Methods of evaluating the Performance of electromagnetic flow-meters forliquids (ISO 9104:1991)
OENORM EN ISO 5167-2:2021 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO/DIS 5167-2:2021)

PL-PKN, The velocity of the gas in the pipe

PN B02711-1990 Canalisation Continuing measurements of volumetric rate of flow in non pressure sewerage pipes Desing principles
PN M73743-01-1993 Pneumatic fluid power. Compressed air filters. Main characteristics to be included in commercial literature and specific requirements
PN M73742-1992 Pneumatic fluid power. Air line pressure regulators. Main characteristics to be included in commercial literature and specifid requirements

VN-TCVN, The velocity of the gas in the pipe

TCVN 6816-2001 Measurement of fluid flow in closed conduits.Methods using transit-time ultrasonic flowmeters

Japanese Industrial Standards Committee (JISC), The velocity of the gas in the pipe

JIS Z 8762-4:2007 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -- Part 4: Venturi tubes
JIS Z 8762-2:2007 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -- Part 2: Orifice plates
JIS Z 8762-1:2007 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -- Part 1: General principles and requirements

国家市场监督管理总局、中国国家标准化管理委员会, The velocity of the gas in the pipe

GB/T 20728-2021 Measurement of fluid flow in closed conduits—Guidance to the selection, installation and use of Coriolis flowmeters

国家食品药品监督管理局, The velocity of the gas in the pipe

YY/T 1522-2017 Flow measuring devices connected to terminals of medical gas pipeline systems

Institute of Electrical and Electronics Engineers (IEEE), The velocity of the gas in the pipe

NFPA (Fire) 67 Guide on Explosion Protection for Gaseous Mixtures in Pipe Systems, 2019 Edition

Aerospace, Security and Defence Industries Association of Europe (ASD), The velocity of the gas in the pipe

ASD-STAN TR 2674-1997 Serie Aerospatiale Conception Et Realisation Des Tuyauteries Pour Fluides Liquides Ou Gazeux Tuyauteries Rigides, Installation (Edition 1)
ASD-STAN PREN 2672-1989 Aerospace Series Design and Construction of Pipelines for Fluids in Liquid or Gaseous Condition Design of Rigid Lines (Issue P 1)
ASD-STAN TR 2678-2001 Aerospace Series Design and Construction of Pipelines for Fluids in Liquid or Gaseous Condition Design of Rigid Lines
ASD-STAN PREN 2673-1990 Aerospace Series Design and Construction of Pipelines for Fluids in Liquid or Gaseous Condition, Rigid Lines - Manufacture (Edition P 1)
ASD-STAN PREN 2671-1988 Aerospace Series Design and Construction of Pipelines for Fluids in Liquid or Gaseous Condition; Outline and Terms (Edition P 1)

Standard Association of Australia （SAA）, The velocity of the gas in the pipe

AS 3778.5.3:2007 Measurement of water flow in open channels - Liquid flow in open channels and partly filled pipes - Guidelines for the application of Doppler-based flow measurements
AS 2360.7.1:2001 Measurement of fluid flow in closed conduits - Assessment of uncertainty in the calibration and use of flow measurement devices - Linear calibration relationships
AS ISO 5167.4:2023 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full, Part 4: Venturi tubes
AS ISO 5167.5:2023 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full, Part 5: Cone meters
AS ISO 5167.6:2023 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full, Part 6: Wedge meters

Indonesia Standards, The velocity of the gas in the pipe

SNI ISO 15002:2011 Flow-metering devices for connection to terminal units of medical gas pipeline systems

SE-SIS, The velocity of the gas in the pipe

SIS SS 02 84 26-1991 Air quality — Stationary source emissions — Determination of concentration and mass flow rate of particulate material in gas-carrying ducts — Manual gravimetric metod

ASD-STAN - Aerospace and Defence Industries Association of Europe - Standardization, The velocity of the gas in the pipe

TR 2675-1996 Serie Aerospatiale Conception Et Realisation De Tuyaux Et Tuyauteries Flexibles Pour Fluides Liquide Et Gazeux@ Installation (Edition 1)
PREN 2672-1989 Aerospace Series Design and Construction of Pipelines for Fluids in Liquid or Gaseous Condition Design of Rigid Lines (Issue P 1)

Canadian Standards Association (CSA), The velocity of the gas in the pipe

CAN/CSA-Z15002-2012 Flow-Metering Devices for Connection to Terminal Units of Medical Gas Pipeline Systems (Second Edition)