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Pore flow

Pore flow, Total:265 items.

In the international standard classification, Pore flow involves: Earthworks. Excavations. Foundation construction. Underground works, Surface treatment and coating, Measurement of fluid flow, Geology. Meteorology. Hydrology, Products of the textile industry, Installations in buildings, Linear and angular measurements, Agricultural machines, implements and equipment, Soil quality. Pedology, Particle size analysis. Sieving, Equipment for petroleum and natural gas industries, Waxes, bituminous materials and other petroleum products, Powder metallurgy, Fertilizers, Reinforced plastics, Materials for the reinforcement of composites, Construction materials, Measurement of force, weight and pressure, Paints and varnishes, Construction of waterways and ports, Tyres, Environmental protection, Acoustics and acoustic measurements, Cinematography, Internal combustion engines for road vehicles, Nuclear energy engineering, Road engineering, Protection against fire, Testing of metals, Hand-held tools, Metrology and measurement in general, Microbiology, Ventilators. Fans. Air-conditioners, Diagnostic, maintenance and test equipment, Products of the chemical industry, External sewage systems, Valves, Water quality, Cellular materials.

Professional Standard - Petroleum, Pore flow

SY/T 6298-1997 Core porosimeter
SY/T 6143-2004 Measuring Natural Gas Flow with a Standard Orifice Flow Meter
SY/T 6143-1996 Standard orifice measurement method for natural gas flow

CZ-CSN, Pore flow

CSN 72 1171-1967 Determination of mass, porosity and voids ratio of aggregates
CSN 72 2447-1968 Testing of mass and porosity oí raortar
CSN 73 1315-1968 Determination of mass, density and porosity of concrete
CSN 25 3100-1982 Plain limit gauges for holes and schafts. Types
CSN 25 3101-1985 Plain limit gauges for holes and schafts. Technical regulations
CSN 73 1315-1989 Determination of volume mass, den- sity, compactness and porosity of concrete
CSN 25 7712-1995 Measurement of fluid flow in closed conduits. Measurement of viscous fluid flow through concentric orifice plate and quarter- ircle orifice plate
CSN 72 1154-1983 Determination of specific gravity and unit weight, compactness and porosity of natural building stone
CSN ON 25 2711-1966

Association Francaise de Normalisation, Pore flow

NF P94-157-2:1996 Soils : investigation and testing. In situ pore pressure measurement. Part 2 : pore pressure meter.
NF EN ISO 11276:2014 Qualité du sol - Détermination de la pression d'eau dans les pores - Méthode du tensiomètre
NF P94-157-1:1996 Soils : investigation and testing. In situ pore pressure measurement. Part 1 : piezometric tube.
NF EN 2564:2018 Série aérospatiale - Stratifiés de fibres de carbone - Détermination de la teneur en fibres, en résine et du taux de porosité
NF X31-504:1995 Qualité des sols - Méthode de mesurage de la conductivité hydraulique horizontale équivalente et de la porosité de drainage in situ - Méthode de Guyon.
X10-105:1992 Measurement of pulsating fluid flow in a pipe by means of orifice plates, nozzles or venturi tubes.
NF P61-536:1997 Ceramic tiles. Part 3 : determination of water absorption, apparent porosity, apparent relative density and bulk density.
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 R16-332-2*NF ISO 7440-2:1993 Road vehicles. Fuel injection equipment testing. Part 2 : orifice plate flow-measurement.
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.
XP T47-763-2:2012 End of life tyres (ELT) - Determination of density, porosity and void ratio of shredded tyres - Method(s) of measurement and test protocol(s) - Part 2 : method based on the measure of the compressibility (shredded tyres under stress)
NF A95-186-4*NF EN ISO 4499-4:2017 Hardmetals - Metallographic determination of microstructure - Part 4 : characterisation of porosity, carbon defects and eta-phase content
NF EN ISO 4499-4:2017 Métaux-durs - Détermination métallographique de la microstructure - Partie 4 : caractérisation de la porosité, des défauts carbone et de la teneur en phase êta
NF ISO 7440-2:1993 Véhicules routiers - Essai des équipements d'injection de combustible - Partie 2 : mesurage du débit des pastilles à trou.
NF P43-038*NF EN 14623:2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
FD X10-152*FD ISO/TR 15377:2021 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
NF EN ISO 18674-4:2020 Reconnaissance et essais géotechniques - Surveillance géotechnique par instrumentation in situ - Partie 4 : mesure de la pression interstitielle
NF EN 772-4:1999 Méthodes d'essai des éléments de maçonnerie - Partie 4 : détermination des masses volumiques réelle et apparente et des porosités ouverte et totale des éléments de maçonnerie en pierre naturelle.
XP T47-763-1:2012 End of life tyres (ELT) - Determination of density, porosity and void ratio of shredded tyres - Method(s) of measurement and test protocol(s) - Part 1 : method based on water pycnometry (shredded tyres in the abounded state)
NF EN ISO 7231:2010 Matériaux polymères alvéolaires souples - Détermination de l'indice d'écoulement d'air à chute de pression constante

未注明发布机构, Pore flow

NF P94-157-2 Soils: Investigations and tests. Field pore pressure measurements. Part 2: Pore pressure gauges
NF P94-157-1 Soils: Investigations and tests. Field pore pressure measurements. Part 1: Piezometers
BS ISO/TR 15377:1998(1999) Measurement of fluid flow by means of pressure differential devices — Guidelines for specification of nozzles and orifice plates beyond
DIN EN ISO 5167-1:1995 Flow measurement of fluids with throttling devices Part 1: Orifices, nozzles and venturi tubes in full-flow lines with a circular cross-section
BS 1377-6:1990(1999) Methods of test for Soils for civil engineering purposes — Part 6 : Consolidation and permeability tests in hydraulic cells and with pore pressure measurement
NF P94-505-4*NF EN ISO 18674-4:2020 Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 4 : measurement of pore water pressure : Piezometers

Korean Agency for Technology and Standards (KATS), Pore flow

KS D 8542-2005 Standard method for porosity measurement of thermal spray coatings
KS D 8542-2015 Standard method for porosity measurement of thermal spray coatings
KS I ISO 11276:2005 Soil quality－Determination of pore water pressure－Tensiometer method
KS D 8542-2015(2020) Standard method for porosity measurement of thermal spray coatings
KS I ISO 11276:2021 Soil quality — Determination of pore water pressure —Tensiometer method
KS F 2102-2018 Standard test method for measuring pore water pressures in soils
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 F 2493-2007 Standard test method of binder run-off test for porous asphalt mixtures
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 B ISO TR 15377-2014(2019) Measurement of fluid flow by means of pressure-differential devices — Guidelines for specification of nozzles and orifice plates beyond the scope of ISO 5167－1
KS M ISO 12985-2:2004 Carbonaceous materials used in the production of aluminium-Baked anodes and cathode blocks-Part 2:Determination of apparent density and of open porosity using a hydrostatic method
KS M ISO 12985-2:2013 Carbonaceous materials used in the production of aluminium－Baked anodes and cathode blocks－Part 2：Determination of apparent density and of open porosity using a hydrostatic method
KS A 0612-1997(2017) Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
KS B ISO TR 15377:2004 Measurement of fluid flow by means of pressure-differential devices-Guidelines for specification of nozzles and orifice plates beyond the scope of KS B ISO 5167-1
KS B ISO TR 15377:2014 Measurement of fluid flow by means of pressure-differential devices — Guidelines for specification of nozzles and orifice plates beyond the scope of ISO 5167-1
KS D ISO 2738:2011 Sintered metal materials, excluding hardmetals-Permeable sintered metal materials-Determination of density, oil content and open porosity
KS D ISO 2738:2013 Sintered metal materials, excluding hardmetals-Permeable sintered metal materials-Determination of density, oil content and open porosity

American National Standards Institute （ANSI), Pore flow

ANSI/ASME MFC-14M-2003 Measurement of Fluid Flow Using Small Bore Precision Orifice Meters
ANSI/ASME MFC-3M-2004 Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi
ANSI/ASTM B741:1995 Test Method for Porosity in Gold Coatings on Metal Substrates by Paper Electrography
ANSI/ASME MFC-3Ma-2007 Measurement of Fluid Flow in Pipes Using Orifice, Nozzle and Venturi

American Society of Mechanical Engineers (ASME), Pore flow

ASME MFC-14M-1995 Measurement of fluid flow using small bore precision orifice meters
ASME MFC-14M-2003 Measurement of Fluid Flow Using Small Bore Precision Orifice Meters
ASME MFC-14M-2003(R2018) Measurement of Fluid Flow Using Small Bore Precision Orifice Meters
ASME STP-TS-084-2018 Orifice Flow Coefficient Equation Comparison
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-3M Errata-1990 Measurement of fluid flow in pipes using orifice, nozzle, and Venturi; Errata
ASME MFC-3M ADD-2007 Measurement of Fluid Flow in Pipes Using Orifice@ Nozzle@ and Venturi
ASME MFC-3Ma Addenda-2007 Addenda to ASME MFC-3M-2004 Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi

NL-NEN, Pore flow

NEN 2810-1987 Gauges - Plug gauges for holes, diameters 1 up to and including 40 mm

American Society for Testing and Materials (ASTM), Pore flow

ASTM D4696-92(2000) Standard Guide for Pore-Liquid Sampling from the Vadose Zone
ASTM D4696-92(2008) Standard Guide for Pore-Liquid Sampling from the Vadose Zone
ASTM F316-03 Standard Test Methods for Pore Size Characteristics of Membrane Filters by Bubble Point and Mean Flow Pore Test
ASTM D6767-14 Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test
ASTM C1688/C1688M-10 Standard Test Method for Density and Void Content of Freshly Mixed Pervious Concrete
ASTM C1688/C1688M-12 Standard Test Method for Density and Void Content of Freshly Mixed Pervious Concrete
ASTM C1688/C1688M-13 Standard Test Method for Density and Void Content of Freshly Mixed Pervious Concrete
ASTM C1688/C1688M-14a Standard Test Method for Density and Void Content of Freshly Mixed Pervious Concrete
ASTM D3793-06 Standard Test Method for Low-Temperature Coalescence of Latex Paint Films by Porosity Measurement
ASTM F421-07 Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires
ASTM F421-07(2013)e1 Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires
ASTM D6539-00(2006) Standard Test Method for Measurement of Pneumatic Permeability of Partially Saturated Porous Materials by Flowing Air
ASTM D6539-00 Standard Test Method for Measurement of Pneumatic Permeability of Partially Saturated Porous Materials by Flowing Air
ASTM D8325-20 Standard Guide for Evaluation of Nuclear Graphite Surface Area and Porosity by Gas Adsorption Measurements
ASTM D7870/D7870M-13 Standard Practice for Moisture Conditioning Compacted Asphalt Mixture Specimens by Using Hydrostatic Pore Pressure
ASTM D4542-95 Standard Test Method for Pore Water Extraction and Determination of the Soluble Salt Content of Soils by Refractometer
ASTM D4542-95(2001) Standard Test Method for Pore Water Extraction and Determination of the Soluble Salt Content of Soils by Refractometer
ASTM D4542-22 Standard Test Methods for Pore Water Extraction and Determination of the Soluble Salt Content of Soils by Refractometer
ASTM D4542-07 Standard Test Method for Pore Water Extraction and Determination of the Soluble Salt Content of Soils by Refractometer
ASTM D5407-95(2000) Standard Test Method for Elastic Moduli of Undrained Intact Rock Core Specimens in Triaxial Compression Without Pore Pressure Measurement
ASTM D2664-04 Standard Test Method for Triaxial Compressive Strength of Undrained Rock Core Specimens Without Pore Pressure Measurements
ASTM D4542-15 Standard Test Methods for Pore Water Extraction and Determination of the Soluble Salt Content of Soils by Refractometer
ASTM B328-96(2003) Standard Test Method for Density, Oil Content, and Interconnected Porosity of Sintered Metal Structural Parts and Oil-Impregnated Bearings
ASTM F316-03(2019) Standard Test Methods for Pore Size Characteristics of Membrane Filters by Bubble Point and Mean Flow Pore Test
ASTM B328-96 Standard Test Method for Density, Oil Content, and Interconnected Porosity of Sintered Metal Structural Parts and Oil-Impregnated Bearings
ASTM B328-96(2003)e1 Standard Test Method for Density, Oil Content, and Interconnected Porosity of Sintered Metal Structural Parts and Oil-Impregnated Bearings

Professional Standard - Machinery, Pore flow

JB/T 11929-2014 Flow-metering intermittent liquid adding system
JB/T 56206.2-1999 Product Quality Grading of AC Gapless Metal Oxide Surge Arresters (for internal use)

AT-ON, Pore flow

ONORM B 3685 Teil.2-1988 Technical aspbalts for road construction and related purposes; determination of void content of asphalts with high porosity
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)

International Organization for Standardization (ISO), Pore flow

ISO 11276:1995 Soil quality - Determination of pore water pressure - Tensiometer method
ISO 15901-1:2005/Cor 1:2007 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry; Technical corrigendum 1
ISO 2738:1987 Permeable sintered metal materials; Determination of density, oil content, and open porosity
ISO/TR 3313:1974 Measurement of pulsating fluid flow in a pipe by means of orifice plates, nozzles or Venturi tubes, in particular in the case of sinusoidal or square wave intermittent periodic-type fluctuations
ISO/TR 3313:1992 Measurement of pulsating fluid flow in a pipe by means of orifice plates, nozzles or Venturi tubes
ISO 7440-2:1985 Road vehicles; Fuel injection equipment testing; Part 2 : Orifice plate flow measurement
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 7822:1990 Textile glass reinforced plastics; determination of void content; loss on ignition, mechanical disintegration and statistical counting methods
ISO 7440-2:1991 Road vehicles; fuel injection equipment testing; part 2 orifice plate flow-measurement
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/TR 15377:2007 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/TR 15377:1998/Cor 1:1999 Measurement of fluid flow by means of pressure-differential devices - Guidelines for the specification of nozzles and orifice plates beyond the scope of ISO 5167-1; Technical Corrigendum 1
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 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 12985-2:2000 Carbonaceous materials used in the production of aluminium - Baked anodes and cathode blocks - Part 2: Determination of apparent density and of open porosity using a hydrostatic method
ISO 12985-2:2018 Carbonaceous materials used in the production of aluminium - Baked anodes and cathode blocks - Part 2: Determination of apparent density and of open porosity using a hydrostatic method
ISO 4499-4:2016 Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of porosity, carbon defects and eta-phase content
ISO/DTR 15377 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/TR 15377:2018 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 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/TR 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 series
ISO 7231:2023 Polymeric materials, cellular, flexible — Determination of air flow value at constant pressure-drop

AASHTO - American Association of State Highway and Transportation Officials, Pore flow

T 252-2009 Standard Method of Test for Measurements of Pore Pressures in Soils
T 252-1996 Standard Method of Test for Measurements of Pore Pressures in Soils
T 252-1984 Standard Method of Test for Measurements of Pore Pressures in Soils (Eighteenth Edition)
T 226-1990 Standard Method of Test for Triaxial Compressive Strength of Undrained Rock Core Specimens without Pore Pressure Measurements

TR-TSE, Pore flow

TS 2244-1976 IRON ORE PELLETS METHODS FOR MEASURING THE APPARENT DENSITY AND POROSITY
TS 2305-1976 PERMEABLE SINTERED METAL MATERIALS DETERMINATION OF DENSITY AND OPEN POROS?TY

Danish Standards Foundation, Pore flow

DS/ISO 11276:1997 Soil quality - Determination of pore water pressure - Tensiometer method
DS/CEN/CR 14539:2002 Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)
DS/CEN/TR 14539:2021 Straight ammonium nitrate fertilizers – Comparative study on the determination of porosity (oil retention)
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
DS/EN 14623:2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G

KR-KS, Pore flow

KS I ISO 11276-2021 Soil quality — Determination of pore water pressure —Tensiometer method
KS F 2102-2018(2023) Standard test method for measuring pore water pressures in soils
KS F 2384-2013(2023) Standard test method for uncompacted void content of fine aggregate

German Institute for Standardization, Pore flow

DIN EN ISO 11276:2014-07 Soil quality - Determination of pore water pressure - Tensiometer method (ISO 11276:1995), German version EN ISO 11276:2014
DIN 19683-13:2007-07 Soil quality - Physical laboratory tests - Part 13: Determination of soil volume percentage, total pore volume and pore number of mineral soils
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 7822:2000 Textile glass reinforced plastics - Determination of void content - Loss on ignition, mechanical disintegration and statistical counting methods (ISO 7822:1990); German version EN ISO 7822:1999
DIN EN 13041:2012 Soil improvers and growing media - Determination of physical properties - Dry bulk density, air volume, water volume, shrinkage value and total pore space; German version EN 13041:2011
DIN EN ISO 4499-4:2016-10 Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of porosity, carbon defects and eta-phase content (ISO 4499-4:2016); German version EN ISO 4499-4:2016
DIN 3236-2:1996 Straight pattern valves with flange socket placed in shunt - Part 2: With enamel lining
DIN EN 14623:2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G; German version EN 14623:2005
DIN EN ISO 18674-4:2020-10 Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 4: Measurement of pore water pressure: Piezometers (ISO 18674-4:2020); German version EN ISO 18674-4:2020
DIN EN 14623:2005-08 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G; German version EN 14623:2005
DIN EN ISO 7231:2022-07 Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop (ISO/DIS 7231:2022); German and English version prEN ISO 7231:2022 / Note: Date of issue 2022-06-10*Intended as replacement for DIN EN ISO 7231 (2010-12).
DIN EN ISO 5167-2:2023-08 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO 5167-2:2022); German version EN ISO 5167-2:2022

British Standards Institution (BSI), Pore flow

BS EN ISO 11276:2014 Soil quality. Determination of pore water pressure. Tensiometer method
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
BS EN ISO 10545-3:1997 Ceramic tiles. Determination of water absorption, apparent porosity, apparent relative density and bulk density
BS EN ISO 4499-4:2016 Hardmetals. Metallographic determination of microstructure. Characterisation of porosity, carbon defects and eta-phase content
BS EN ISO 18674-4:2020 Geotechnical investigation and testing. Geotechnical monitoring by field instrumentation - Measurement of pore water pressure: Piezometers
BS ISO 12985-2:2018 Carbonaceous materials used in the production of aluminium. Baked anodes and cathode blocks. Determination of apparent density and of open porosity using a hydrostatic method
BS EN 14623:2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
BS EN 772-3:1998 Methods of test for masonry units - Determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing
PD ISO/TR 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 series
BS EN ISO 2738:2000 Sintered metal materials, excluding hardmetals - Permeable sintered metal materials - Determination of density, oil content and open porosity
BS EN ISO 7231:2023 Polymeric materials, cellular, flexible. Determination of air flow value at constant pressure-drop
BS EN ISO 5167-2:2022 Tracked Changes. Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. Orifice plates
PD ISO/TR 15377:2018 Tracked Changes. 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
BS PD ISO/TR 15377:2018 Tracked Changes. 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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Pore flow

GB/T 21446-2008 Measurement of natural gas flow by means of standard orifice meter
GB/T 3365-2008 Carbon fiber reinforced plastics.Determination of void content and fiber volume content
GB/T 3365-1982 Test method for void content of carbon fiber reinforced plastics by microscopy
GB/T 2624-1993 Measurement of fluid flow by means of orifice plates,nozzles and Venturi tubes inserted in circular cross-section conduits running full
GB/T 25077-2010 Acoustics.Materials for acoustical applications.Determination of airflow resistance
GB/T 32361-2015(英文版) Test methods for pore size properties of membrane filters—Bubble point and mean flow pore test
GB/T 32361-2015 Test methods for pore size properties of membrane filters.Bubble point and mean flow pore test
GB/T 18215.1-2000 Flow measurement of city manufactured gas in main pipes. Part 1: Method using standard orifice plate throttling device
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 38516-2020 Permeable sintered metal materials—Determination of average pore size of medium flow
GB/Z 35140-2017 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 GB/T 2624
GB/T 18945-2003 Polymeric materials,cellular flexibl--Method of assessment of air flow value at constant pressure-drop

The American Road & Transportation Builders Association, Pore flow

AASHTO T 304-2008 Standard Method of Test for Uncompacted Void Content of Fine Aggregate

RU-GOST R, Pore flow

GOST 18898-1989 Powder products. Methods for determination of density, oil content and porosity
GOST 26969-1986 Standard orifice plates for flowmeters. Specifications
GOST 8.586.2-2005 State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by means of orifice instruments. Part 2. Orifice plates. Technical requirements
GOST 8.586.5-2005 State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Part 5. Measurement procedure
GOST 26008-1983 Cast-iron storm-flow receivers for manholes. Technical requirements
GOST 8.586.4-2005 State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Part 4. Venturi tubes. Technical requirements
GOST 8.586.1-2005 State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Part 1. Principle of the method of measurements and general requirements
GOST 8.586.3-2005 State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by means of orifice instruments. Part 3. Nozzles and Venturi nozzles. Technical requirements
GOST 29171-1991 Polymeric materials, cellular flexible. Method of assessment of air flow value at constant pressure-drop

European Committee for Standardization (CEN), Pore flow

PD CEN/TR 14539:2021 Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)
EN ISO 11276:2014 Soil quality - Determination of pore water pressure - Tensiometer method
EN 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 5167-2:2022)
EN ISO 7822:1999 Textile Glass Reinforced Plastics - Determination of Void Content - Loss on Ignition, Mechanical Disintegration and Statistical Counting Methods
EN 772-3:1998 Methods of test for masonry units - Part 3: Determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing
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; Supersedes EN ISO 5167-1:1995
EN 14623:2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
EN ISO 4499-4:2016 Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of porosity@ carbon defects and eta-phase content
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)

National Metrological Technical Specifications of the People's Republic of China, Pore flow

JJF 2033-2023
JJF 1627-2017 Calibration Specification for Reference Leaks by Soap Film Flowmeter

IN-BIS, Pore flow

AENOR, Pore flow

UNE-CR 14539:2003 Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention).
UNE-EN 14623:2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
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)

ES-UNE, Pore flow

UNE-EN ISO 11276:2014 Soil quality - Determination of pore water pressure - Tensiometer method (ISO 11276:1995) (Endorsed by AENOR in May of 2014.)
UNE-EN 50131-2-4:2008/IS1:2014 Soil quality - Determination of pore water pressure - Tensiometer method (ISO 11276:1995) (Endorsed by AENOR in May of 2014.)
UNE-EN ISO 4499-4:2016 Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of porosity, carbon defects and eta-phase content (ISO 4499-4:2016)
UNE-EN ISO 18674-4:2020 Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 4: Measurement of pore water pressure: Piezometers (ISO 18674-4:2020)
UNE-EN ISO 5167-2:2023 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO 5167-2:2022)

Japanese Industrial Standards Committee (JISC), Pore flow

JIS Z 2501:2000 Sintered metal materials -- Determination of density, oil content, and open porosity
JIS Z 8762:1995 Measurement of fluid flow by means of orifice plates, nozzles and venturi tubes inserted in circular cross-section conduits running full
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 D 3637-2:2003 Road vehicles -- Diesel fuel injection equipment testing -- Part 2: Orifice plate flow-measurement

Natural Gas Processor's Association (NGPA), Pore flow

GPA TP-13-1985 Experimental Orifice Meter Studies

工业和信息化部, Pore flow

JB/T 14241-2022 Integrated valve orifice flow meter

PL-PKN, Pore flow

PN M53950-1965 Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes

Indonesia Standards, Pore flow

SNI 8134-2015 Tata cara pengukuran tekanan air pori tanah dengan pisometer pipa terbuka Casagrande

API - American Petroleum Institute, Pore flow

API REPORT 9-1979 A Model Study of Axially Loaded Pile Segments Including Pore Pressure Measurements
API MPMS 14.3.3-2013 Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids-Concentric@ Square-edged Orifice Meters Part 3: Natural Gas Applications (FOURTH EDITION)
API RP 43-1991 FINAL REPORT - INVESTIGATION OF CORE ORIENTATION AND PERFORATION DEBRIS ON STANDARD PERFORATION FLOW TESTS (Fifth Edition)
API MPMS 14.3.3-1992 Manual of Petroleum Measurement Standards Chapter 14 - Natural Gas Fluids Measurement Section 3 - Concentric@ Square-Edged Orifice Meters Part 3 - Natural Gas Applications
API STD 2530-1985 Manual of Petroleum Measurement Standards Chapter 14 _ Naturla Gas Fluids Measurement Section 3 - Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids (Second Edition)
API MPMS 14.3.1-2012 Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids-Concentric@ Square-edged Orifice Meters Part 1: General Equations and Uncertainty Guidelines (FOURTH EDITION; ERTA: July 2013)

National Aeronautics and Space Administration (NASA), Pore flow

NASA-TN-D-5467-1969 Discharge coefficients for thick plate orifices with approach flow perpendicular and inclined to the orifice axis
NASA NACA-TN-3663-1956 Discharge coefficients for combustor-liner air-entry holes
NASA-TM-X-71903-1976 A theoretical study of the acoustic impedance of orifices in the presence of a steady grazing flow
NASA NACA-TN-1947-1949 Investigation of flow coefficient of circular, square, and elliptical orifices at high pressure ratios

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Pore flow

ASHRAE 41.8-1989 Standard Methods of Measurement of Flow of Liquids in Pipes Using Orifice Flowmeters

Compressed Gas Association (U.S.), Pore flow

CGA E-7-2013 MEDICAL GAS PRESSURE REGULATORS, FLOWMETERS, AND ORIFICE FLOW SELECTORS

BE-NBN, Pore flow

NBN 722 F-1967

Association for Information and Image Management (AIIM), Pore flow

AIIM MS50-1994 Recommended Practice - Monitoring Image Quality of Aperture Card Film Image Scanners

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., Pore flow

ASHRAE 3927-1995 Measurement of Two-Phase Refrigerant Liquid-Vapor Mass Flow Rate - Part II: Turbine and Void Fraction Meters
ASHRAE 3926-1995 Measurement of Two-Phase Refrigerant Liquid-Vapor Mass Flow Rate - Part I: Venturi and Void Fraction Meters
ASHRAE 4503-2002 A Numerical Study of Pressure Distribution and Flow Through Rigid Short-Tube Orifices

ISA - International Society of Automation, Pore flow

ISA RP3.2-1978 FLANGE MOUNTED SHARP EDGED ORIFICE PLATES FOR FLOW MEASUREMENT

National Metrological Verification Regulations of the People's Republic of China, Pore flow

JJG(石油) 02-1990 Verification rules for standard orifice plate for natural gas flow measurement

Association of German Mechanical Engineers, Pore flow

VDI/VDE 2041-1991 Measurement of fluid flow with primary devices; orifice plates and nozzles for special applications

Society of Automotive Engineers (SAE), Pore flow

SAE J968-2-2021 Diesel Injection Pump Testing Part 2: Orifice Plate Flow Measurement
SAE J968-2-2002 Diesel Injection Pump Testing Part 2: Orifice Plate Flow Measurement
SAE J968/2-1995 Diesel Injection Pump Testing--Part 2: Orifice Plate Flow Measurement
SAE J968/2-1991 Diesel Injection Pump Testing--Part 2: Orifice Plate Flow measurement
SAE J968/2-2021 Diesel Injection Pump Testing—Part 2: Orifice Plate Flow Measurement
SAE J968/2-2002 Diesel Injection Pump Testing—Part 2: Orifice Plate Flow Measurement
SAE J968/2-2015 Diesel Injection Pump Testing—Part 2: Orifice Plate Flow Measurement

SAE - SAE International, Pore flow

SAE J968-2-1991 Diesel Injection Pump Testing - Part 2: Orifice Plate Flow Measurement

PT-IPQ, Pore flow

NP 3757-1989 SOLID FUELS Cokes Determination of true relative density, apparent relative density and porosity

Taiwan Provincial Standard of the People's Republic of China, Pore flow

CNS 11872-1987 Measurement of Fluid Flow by Means of Orifice Plates or Nozzles

Group Standards of the People's Republic of China, Pore flow

T/ZGWJHXH 42-2020 Safety Technology of Welded Orifice Plate Flowmeter for Pressure Gathering in Annular Chamber

RO-ASRO, Pore flow

STAS 7347/1-1983 Measurement of fluid flow in pressure pipe systems METHOD BY THROTTLING THE FLOW SEGTION. MEASUREMENT BYORIFICEPLATESAND NOZZLES

Building Officials and Code Administrators International(U.S.), Pore flow

BOCA IMC-2000 APPENDIX A-2000 Combustion Air Openings and Chimney Connector Pass-Throughs

Standard Association of Australia （SAA）, Pore flow

AS 2360.1.5:2001 Measurement of fluid flow in closed conduits - Pressure differential methods - Measurement using orifice plates, nozzles or Venturi meters - Pulsating flow, in particular sinusoidal or square wave intermittent periodic-type fluctuations
AS ISO 5167.2:2023 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full, Part 2: Orifice plates
AS 2360.1.2:1993 Measurement of fluid flow in closed conduits - Pressure differential methods - Measurement using orifice plates or nozzles - Conduits with diameters less than 50 mm

American Gas Association, Pore flow

AGA REPORT 3-3-2013 Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids - Concentric, Square-edged Orifice Meters Part 3: Natural Gas Applications (Fourth Edition; XQ1304)

YU-JUS, Pore flow

JUS L.H2.015-1989 Measurement of fluid f/ow by means of orifice plates, nozzles and venturi tubes inserted in circular cross-saction conduits running full
JUS M.B1.040-1989 Fluid povver systems and components. Screvved plugs and tapedholes with pipe threads. Constructional dimensions

HU-MSZT, Pore flow

MSZ 398-1966

SE-SIS, Pore flow

SIS SS-ISO 7440/2:1988 Road vehicles - Fuel injection equipment testing - Part 2: Orifice plate flow measurement

Anhui Provincial Standard of the People's Republic of China, Pore flow

DB34/T 3187-2018 Calibration method of flow meter orifice plate in gas drainage system in coal mine

Lithuanian Standards Office , Pore flow

LST EN 14623-2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
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)

ASD-STAN - Aerospace and Defence Industries Association of Europe - Standardization, Pore flow

PREN 3641-1992 Aerospace Series Test Methods Heat Resisting Alloys Compacted Material Procedure for Quantitative Determination of Thermally Induced Porosity (T.I.P.) (Edition P 1)

ITU-T - International Telecommunication Union/ITU Telcommunication Sector, Pore flow

ITU-T E.527-1995 Dimensioning at a Circuit Group with Multi-Slot Bearer Services and Overflow Traffic - Telephone Network and ISDN - Quality of Service@ Network Management and Traffic Engineering (Study Group 2) 7 pp

Aerospace, Security and Defence Industries Association of Europe (ASD), Pore flow

ASD-STAN PREN 3641-1992 Aerospace Series Test Methods Heat Resisting Alloys Compacted Material Procedure for Quantitative Determination of Thermally Induced Porosity (T.I.P.) (Edition P 1)