Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

iso pipe size

iso pipe size, Total:265 items.

The international standard classification for "iso pipe size" includes: Flanges, couplings and joints , Plastics pipes, fittings and valves .

The Chinese standard classification for "iso pipe size" includes: Pipeline fittings , Plastic profile .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 28708-2012 Specification for size selection of seamless and welded steel pipe used in piping engineering
  • GB/T 1047-2019 Pipework components-Definition and selection of nominal size
  • GB/T 8806-2008 Plastics piping systems - Plastics components - Determination of dimensions
  • GB/T 1047-2005 Pipework components - Definition and selection of DN(nominal size)

Professional Standard - Aerospace

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

Magyar Szabványügyi Testület

German Institute for Standardization

  • DIN 86018:2002-02 Welded tubes made of CuNi10Fe1,6Mn for pipes - Dimensions
  • DIN EN ISO 3126:2005-05 Plastics piping systems - Plastics components - Determination of dimensions (ISO 3126:2005); German version EN ISO 3126:2005
  • DIN 2630:1975 DIN 2630
  • DIN EN ISO 6708:1995-09 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995); German version EN ISO 6708:1995
  • DIN 86019:1997-07 Seamless tubes made of CuNi10Fe1.6Mn for pipes - Dimensions
  • DIN 3583:1990-08 Gas pipelines; size 3 valve box
  • DIN 3582:1990-08 Gas pipelines; size 2 valve box
  • DIN 3581:1990-08 Gas pipelines; size 1 valve box
  • DIN ISO 2964:1986-12 Aerospace; tubing; outside diameters and thicknesses; metric dimensions; identical with ISO 2964, edition 1985
  • DIN 3584:1990-08 Gas Pipeline Size 4 Valve Box
  • DIN 3585:1990-08 Gas pipeline, size 5 valve box
  • DIN 19800-1:1973 Asbestos-cement pipes and fittings for pressure pipelines; pipes; dimensions
  • DIN 8074:2011-12 Polyethylene (PE) - Pipes PE 80, PE 100 - Dimensions; Text in German and English / Note: To be replaced by DIN 8074 (2022-03).
  • DIN 86019:2006-02 Seamless tubes made of CuNi10Fe1,6Mn for pipes - Dimensions for standard tubes and precision tubes
  • DIN 2999-3:1973 Whitworth pipe threads for tubes and fittings; gauging, dimensions of the gauges
  • DIN 8072:1972 Low density polyethylene (PE soft) for pipes Size
  • DIN 16893 E:2018 Draft Document - Crosslinked polyethylene (PE-X) pipes - Dimensions; Text in German and English
  • DIN 1754-3:1969 Copper tube seamless drawing is suitable for the preferred size of the pipe
  • DIN V 8079:1974 PVC-C (chlorinated polyethylene) pipe dimensions and weights for pipes
  • DIN 86019 E:2005-03 Draft Document - Seamless tubes made of CuNi10Fe1.6Mn for pipes - Dimensions for standard- and precisions steel tubes
  • DIN EN 13180:2002-03 Ventilation for buildings - Ductwork - Dimensions and mechanical requirements for flexible ducts; German version EN 13180:2001
  • DIN 8079 E:2008 Draft Document - Chlorinated polyvinyl chloride (PVC-C) pipes - Dimensions
  • DIN 1988-3:1988-12 Drinking water supply systems; pipe sizing (DVGW code of practice)
  • DIN 8074 E:2010 Draft Document - Polyethylene (PE) - Pipes PE 80, PE 100 - Dimensions
  • DIN EN ISO 3126:2005 Plastics piping systems - Plastics components - Determination of dimensions (ISO 3126:2005); German version EN ISO 3126:2005
  • DIN 16965-1:1982-07 Wound glass fibre reinforced polyester resin (UP-GF); pipes, Type A pipes, dimensions
  • DIN 16965-4:1982-07 Wound glass fibre reinforced polyester resin (UP-GF); pipes, Type D pipes, dimensions
  • DIN 16965-5:1982-07 Wound glass fibre reinforced polyester resin (UP-GF); pipes, Type E pipes, dimensions
  • DIN 16965-2:1982-07 Wound glass fibre reinforced polyester resin (UP-GF); pipes, Type B pipes, dimensions
  • DIN 86019 E:2005 Draft Document - Seamless tubes made of CuNi10Fe1.6Mn for pipes - Dimensions for standard- and precisions steel tubes
  • DIN 16969:2012-11 Pipes made of polybutene-1 (PB-1) - PB 125 - Dimensions; Text in German and English
  • DIN 8074:1970 Polyethylene (PE) - Pipes PE 80, PE 100 - Dimensions
  • DIN 8074:1987 Polyethylene (PE) - Pipes PE 80, PE 100 - Dimensions
  • DIN 3543-4:1984-08 High density polyethylene (HDPE) tapping valves for HDPE pipes; dimensions
  • DIN V 16878:2002-11 Pipes and fittings of polypropylene (PP) for buried ducting - Dimensions and technical delivery conditions

National Fire Protection Association (NFPA)

National Standardisation Body (ASRO)

  • STAS 8064-1980 GASPIPE PLIERS Dimensions
  • STAS 9735-1987 Hydrostatic drives STEEL TUBES FOR PIPES Dimensions
  • STAS 1515/2-1976 Cast iron pipes and fittings for sewage PIPES Dimensions
  • STAS 474-1984 Malleable cast iron pipes ELBOWS Dimensions
  • STAS 4679-1986 Industrial pipework CAST STEEL FLANGES PN 160 Dimensions
  • STAS 2119-1986 Industrial plpevork CAST STEEL FLANGES NP 40 Dimensiona
  • STAS 2093-1984 GAUGES FOR CONDWIT SCREW THREADS WITH MANTLE. D IMENS ION S.
  • STAS 1515/3-1974 Cast iron pipes and fittings for drainage purpose UNION SOCKETS Dimensions
  • STAS 1515/4-1987 Cast iron pipes and fittings for drainage purposes REDUCERS Dimensions
  • STAS 1738-1973 Pipes MATIXG DIMF.XSIOXS OF ROUND FLAXGES XP 64 et NP 100
  • STAS 1636-1986 Industrial pipework CAST STEEL FLANGES NP 25 Dimensions
  • STAS 2098-1986 Industrial pipework CAST STEEL FLANGES NP 16 Dimensioas
  • STAS 2121-1986 Industrial pipework CAST STEEL FLANGES NP 100 Dimensions
  • STAS 2120-1986 Industrial pipework CAST STEEL FLANGES NP 64 Dimensions
  • STAS 1674-1974 Cast iron pressure pipes and fittings SOCKET TUBES FOR GAULKING JOINTING Dimensions
  • STAS 1695-1973 Cast iron pipes and fittings for drainage purposes BRANCHES Dimensions
  • STAS 12275-1984 Marine equipment COMPENSATOR FOR PIPES CONNECTION Main dimensions
  • STAS 1737-1973 Pipes MATING DIMENSIONS OF ROUND FLANGES NP 25 and NP 40
  • STAS 1515/6-1974 Cast iron pipes and fittings for drainage purpose TRAPS Dimcnsions
  • STAS 7214-1973 Pipes MAT1NG DIMENSIONS OP ROUND FLANGES NP 320 and NP 100
  • STAS 10797-1976 Road vehicles HIGH PRESSURE PIPE FITTINGS WITH 60° FEMALE CONE Dimensions
  • STAS 1873-1975 Cast iron pressure pipes and fittings SOCKET 45° BENDS NP 10 Dimensions
  • STAS 8269-1968 Tap sizes/dimensions for turnbuckles for sealing pipes

Indonesia Standards

Standards Norway

  • NS-EN ISO 3126:2005 Plastics piping systems — Plastics components — Determination of dimensions (ISO 3126:2005)
  • NS-EN ISO 6708:1995 Pipework components — Definition and selection of DN (nominal size) (ISO 6708:1995)
  • NS 3066:1970 Pipes and fittings of grey iron for waste water — Dimensions
  • NS-EN 13180:2001 Ventilation for buildings — Ductwork — Dimensions and mechanical requirements for flexible ducts
  • NS 1752:1973 Fittings for piping — Compression fittings, dimensions for socket and tube
  • NS 3230:1982 Rainwater gutters, pipes and accessories - Dimensions and quality requirements
  • NS 3055:1989 Dimensioning of pipelines for supply and waste water in buildings
  • NS 3560:1974 Ventilating sheet metal ducts - Rectangular cross section - Connection dimensions

Spanish Association for Standardization (UNE)

Portuguese Institute of Quality

Austrian Standards

Lithuanian Standards Office

  • LST EN ISO 6708:2000 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
  • LST EN ISO 3126:2005 Plastics piping systems - Plastics components - Determination of dimensions (ISO 3126:2005)
  • LST EN 13180-2002 Ventilation for buildings - Ductwork - Dimensions and mechanical requirements for flexible ducts

Yugoslav Association for Standardization

  • JUS M.E5.120-1991 Tubular heat exchangers -Dimensions and arrangemeng of tube
  • JUS L.N1.030-1987 Hydraulic andpneumatic. Nominal diameters for tubesand hoses
  • JUS C.B5.010-1990 Pipe components. Definition of nominal size
  • JUS M.R4.031-1982 Flue gas tubes bends. Shapes and dimensions
  • JUS M.R4.030-1982 Flue gas tubes for heating. Shapes and dimensions
  • JUS M.B6.707-1985 Tube fittingsandunions with indenting ferrule. T-type union. Shape and dimensions
  • JUS M.B1.861-1986 Screvv plug for tube with indenting ferrule. Shape and dimensions
  • JUS M.B6.736-1985 Tube fittings and umons with indenting fernile. Fteducing union. Shape and dimensions
  • JUS M.B6.702-1985 Tube fittings and unions with indentina ferrule. Tube adaptor. Assemblv and maln dimensions
  • JUS M.B6.881-1985 Tube fittings and unions with spherical nipple. Ringlike nipple for tube. Shape and dimension
  • JUS M.B6.011-1987 Pipe flanges CONNECTING MEASURES
  • JUS M.B6.910-1985 Pneumatic tubing. Hexagon nipple for tube adaptors. Shape and dimensions
  • JUS M.B6.733-1985 Tube fittings and unions with indenting ferrule. Sealing ring. Shape and dimensions
  • JUS M.B5.121-1986 Pipes and rubber hoses connections. Quick connect. Coupling male member body for pipe. Shape and dimensions
  • JUS M.B6.732-1985 Tube fittings and unions with indenting ferrule. Conical plug. Shape and dimensions
  • JUS M.B6.883-1985 Tube fittings and unions with spherical nipple. Hollovv screvv. Shape and dimensions
  • JUS M.B6.703-1985 Tube fittings and unions with indenting fermle. Complete union. Assembly and main dimensions
  • JUS M.B6.723-1985 Tu be fittings and unionswith indenting ferrule. T-type tee. Shape and dimenshns
  • JUS U.N4.015-1991 Three-layered chimney. External envelope. Shape, dimensions and testings
  • JUS C.J1.486-1987 Cast iron pipes and fittings for sewerage, without cap PIPES Shape and dimensions
  • JUS M.B6.735-1985 Tube fittings andunions witf> indenting ferrule. Reducing nipple. Shape and dimensions
  • JUS M.B5.115-1986 Pipes and rubber connections. Quick connect. Coupling male member body interna! threaded forpipes. Shape and dimensions
  • JUS M.B6.730-1985 Tube fittingsandunions with indenting ferrule. Hollovv screvv nipple. Shape and dimensions

Swedish Institute for Standards

British Standards Institution (BSI)

  • 24/30466247 DC BS ISO 2964 Aerospace - Tubing -Outside diameters and thicknesses - Metric dimensions
  • BS 539:1968 Dimensions of fittings for use with clay drain and sewer pipes
  • 08/30178038 DC BS ISO 2563. Aircraft ducting and piping. Profile dimensions for flanges of V-band couplings
  • 07/30147554 DC BS ISO 16628. Tracheobronchial tubes. Sizing and marking
  • BS 4082-1:1966 External dimensions for vertical in line centrifugal pumps I type
  • BS EN ISO 3126:2006 Plastics piping systems - Plastics components - Determination of dimensions
  • BS 7012-5:1988 Light microscopes-Specification for connecting dimensions of tube slides and tube slots
  • BS EN ISO 6708:1996(1999) Pipework components — Definitionandselection of DN (nominal size)
  • BS EN ISO 3126:2005 Plastics piping systems. Plastics components. Determination of dimensions
  • BS EN ISO 3126:2005(2006) Plastics piping systems — Plastics components — Determination of dimensions
  • BS 1560-2:1970 Circular flanges for pipes, valves and fittings (Class designated)-Specification for steel pipe flanges (nominal sizes ½ in to 24 in). Metric dimensions
  • 10/30216306 DC BS ISO 12490. Petroleum and natural gas industries. Actuation, mechanical integrity and sizing for pipeline valves

Polski Komitet Normalizacyjny (PKN)

Korean Agency for Technology and Standards (KATS)

  • KS B 1519-2022 Dimensions of gasket face for pipe flange
  • KS F 2290-2007 Modular co-ordinating sizes of piping unit for dwellings
  • KS F 2290-1982 Modular co-ordinating sizes of piping unit for dwellings
  • KS W 1831-2018 Aircraft ducting and piping — Profile dimensions for flanges of V-band couplings
  • KS W 1556-2018 Aircraft ducting and piping — Profile dimensions for flanges of V-band couplings
  • KS B ISO 9803:2013 Vacuum technology-Pipeline fittings-Mounting dimensions
  • KS B ISO 9803:2008 Vacuum technology-Pipeline fittings-Mounting dimensions
  • KS B ISO 9803-2013 Vacuum technology-Pipeline fittings-Mounting dimensions
  • KS W 1556-2023 Aircraft ducting and piping — Profile dimensions for flanges of V-band couplings
  • KS M ISO 3126-2016(2021) Plastics piping system-Plastics piping components-Measurement and determination of dimensions
  • KS M ISO 3126-2016 Plastics piping system-Plastics piping components-Measurement and determination of dimensions
  • KS W 1831-2023 Aircraft ducting and piping — Profile dimensions for flanges of V-band couplings
  • KS M ISO 3126-2021 Plastics piping system-Plastics piping components-Measurement and determination of dimensions
  • KS F 2290-2022 Modular co-ordinating sizes of piping unit for dwellings
  • KS F 2290-2007(2022) Modular co-ordinating sizes of piping unit for dwellings
  • KS W 1831-2018(2023) Aircraft ducting and piping — Profile dimensions for flanges of V-band couplings
  • KS W 1556-2018(2023) Aircraft ducting and piping — Profile dimensions for flanges of V-band couplings

Czech Standards Institute (UNMZ)

Ente Nazionale Italiano di Unificazione

  • UNI 1282:1982 Pipe components. Series of nominal sizes.
  • UNI 5463-1964 No welded steel pipe. Boiler pipes. Dimensions and weight
  • UNI EN 13180:2004 Ventilation for buildings - Ductwork - Dimensions and mechanical requirements for flexible ducts
  • UNI EN ISO 3126:2005 Plastics piping systems - Plastics components - Determination of dimensions
  • UNI EN ISO 4671:2008 Rubber and plastics hoses and hose assemblies - Methods of measurement of the dimensions of hoses and the lengths of hose assemblies
  • UNI 10158:1998 Polyethylene pipes for irrigation laterals - Types, dimensions and requirements.

Gosstandart of Russia

National Association of Pipe Fabricators (NAPF)

International Code Council

Association Francaise de Normalisation

Finnish Standards Institute

  • SFS 3273-1976 PAINEASTIAIN MITOITUS. PUTKISTOT. MITOITUKSEN PERUSTEET
  • SFS 2757-1972 Piping system equipment. Pressure fitting size
  • SFS 3977 E-1978 Thermal insulation of pipes, vessels and equipment. size
  • SFS 2349 S-1979 Asbestos-cement pipes for pressure pipelines;hydraulic working pressures;dimensions
  • SFS 3275-1976 Connection dimensions of pressure vessels. Pipeline system. Bend pipe. Internal pressure
  • SFS 3274-1976 PAINEASTIAIN MITOITUS. PUTKISTOT.SUORA PUTKI. SIS?INEN PAINE

International Organization for Standardization (ISO)

  • ISO 9803:1993 Vacuum technology; pipeline fittings; mounting dimensions
  • ISO 2964:2025 Aerospace — Tubing outside diameters and thicknesses — Metric dimensions
  • ISO 2084:1974 Pipeline flanges for general use — Metric series — Mating dimensions
  • ISO 3126:2005 Plastics piping systems - Plastics components - Determination of dimensions

American Society of Mechanical Engineers (ASME)

Japanese Industrial Standards Committee (JISC)

GCC Standardization Organization

  • GSO ISO 2563:2015 Aircraft ducting and piping -- Profile dimensions for flanges of V-band couplings
  • GSO ISO 3126:2014 Plastics piping systems -- Plastics components -- Determination of dimensions
  • GSO ISO 2964:2015 Aerospace -- Tubing -- Outside diameters and thicknesses -- Metric dimensions
  • BH GSO ISO 6708:2024 Pipe work components – Definition and selection of DN ( Nominal Size )

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

  • TCVN 2943-1979 Cast iron pipes and pittings for water piping.Cast iron pipes with socket.Basic dimensions
  • TCVN 2944-1979 Cast iron pipes and fittings fox water piping.Cast iron sockets.Main dimensions
  • TCVN 4366-1986 Agricultural machine.Pipeline for pneumatic transormation.Basic dimensions
  • TCVN 6145-2007 Thermoplastics piping systems.Plastics components.Determination of dimensions

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO ISO 2563:2015 Aircraft ducting and piping -- Profile dimensions for flanges of V-band couplings

Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e. V. (DWA)

Danish Standards Foundation

South African Bureau of Standard

  • SANS 3126:2008 Plastics piping systems - Plastics components - Determination of dimensions

Cuban Institute of Standards and Metrology

  • NC 68-06-1985 Ventilation Equipment. Nominal Dimensions of Conduit Transversal Sections

Kingdom of Bahrain Testing and Metrology Directorate

  • BH GSO ISO 3126:2015 Plastics piping systems -- Plastics components -- Determination of dimensions

Belgian Standards Institute

Compressed Gas Association (U.S.)

  • CGA TR-7-2023 METHODOLOGY TO DETERMINE PIPING FAILURE RATES FOR NONTOXIC CRYOGENIC INDUSTRIAL GAS SUPPLY SYSTEMS WITH PIPE SIZE UP TO 6 INCHES

American National Standards Institute (ANSI)

  • ANSI/EIA 209-A:1963 Electron Tubes, Bases, Caps, and Terminals (including Gages), Dimensional Characteristics of
  • ANSI/ASTM F2788:2013 Specification for Metric-sized Crosslinked Polyethylene (PEX) Pipe