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Database: 365,228(8 Aug 2026)

Double pipe model

Double pipe model, Total:233 items.

The international standard classification for "Double pipe model" includes: Transistors , Plastics pipes, fittings and valves , Motion picture films. Cartridges , Ventilators. Fans. Air-conditioners , Electronic tubes .

The Chinese standard classification for "Double pipe model" includes: Electronic components , Power semiconductor device and parts , Plastic profile , Photosensitive material , Machinery for rubber and plastic , Refrigeration equipment , Electron tube in general .


Group Standards of the People's Republic of China

  • T/GZHG 023-2022 Polyethylene (modified anhydrous phosphogypsum) double peak reinforced drainage pipe
  • T/GZHG 035-2024 PVC-modified anhydrous phosphogypsum double-wall corrugated drainage pipe
  • T/GZAS 5-2018 HDPP double layer steel hot melt composite drainage pipe
  • T/CQPIA 002-2022 HDPP double-layer steel strip hot-melt composite pipe for buried drainage
  • T/ZS 0390-2022 Technical specification for Double-row steel pipe pile cofferdam removal
  • T/YNBX 144-2024 MASHDPE double crest drain pipe
  • T/GDPIA 2-2019 Polyvinyl chloride alloy double-wall corrugated pipes for buried drainage and sewage
  • T/CPPIA 3-2020 Modified impact resistance poly (vinyl chloride) (PVC-M) double wall corrugated pipes for underground soil waste and drainage
  • T/TIC 089-2025 Acrylic copolymer polyvinyl chloride (AGR) single and double riser silent pipes and fittings for building drainage
  • T/SCJC P02-2021 Modified Polyvinyl Chloride(PVMK)Double Wall corrugated pipe for underground drainage

Professional Standard - Aviation

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

  • GB/T 35451.1-2017(英文版) Polypropylene (PP) structural wall piping system for buried drainage and sewage Part 1: Polypropylene double-wall corrugated pipe
  • GB/T 17008-1997 Terminology and letter symbols for insulated-gate bipolar transistor
  • GB/T 18477-2001 Unplasticized polyvinyl chloride(PVC-U) double wall corrugated pipes for underground soill,waste and drainage
  • GB/T 35451.1-2017 Polypropylene(PP) structure-wall piping systems for underground drainage and sewerage―Part 1:Polypropylene double wall corrugated pipes

Professional Standard - Chemical Industry

Jiangsu Provincial Standard of the People's Republic of China

Military Standard of the People's Republic of China-General Armament Department

  • GJB 2303-1995 Principles of model arrangement of military photosensitive materials

Professional Standard - Urban Construction

  • CJ/T 329-2010 Spirally wound steelreinforced polyethylene pipes with double plain wall for underground sewer

Professional Standard-Ships

  • CB/Z 239-2008 Test method of self-propulsion tests for twin-screw displacement ships

Fujian Provincial Standard of the People's Republic of China

  • DB35/T 1273-2012 Double-ended straight tube LED lamp for indoor lighting
  • DB35/T 1673-2017 Specifications for modified polypropylene (PP) double-wall corrugated pipes for buried drainage and sewage

Professional Standard - Machinery

Guangdong Provincial Standard of the People's Republic of China

Professional Standard - Construction Industry

Professional Standard - Speciality

Shanghai Provincial Standard of the People's Republic of China

  • DB31/ 234-1999 Pollutant emission limits and test methods for light-duty vehicles at double-idling speeds

Hunan Provincial Standard of the People's Republic of China

  • DB43/T 2628-2023 Technical specifications for UHMW-PTE square reinforced drainage pipes for buried drainage

Professional Standard - Electron

Korean Agency for Technology and Standards (KATS)

  • KS C 7005-2004 TYPE DESIGNATION SYSTEM FOR COUNTING DISCHARGE TUBES
  • KS M 3500-1-2015 Structured-wall polyethylene(PE) pipes for non-pressure underground drainage and sewerage — Part 1: Double-wall pipe
  • KS M 3500-1-2009 Structured-wall polyethylene(PE) pipes for non-pressure underground drainage and sewerage-Part 1:Double-wall pipe
  • KS M 3600-2021 Structured-wall polyvinyl chloride(PVC) pipes for non-pressure underground drainage and sewerage — Double-wall corrugated pipe and rib pipe
  • KS M 3700-1-2021 Structured-wall polypropylene(PP) pipes for non-pressure underground drainage and sewerage - Part 1: Double-wall pipe
  • KS C 7010-1971(2000) TYPE DESIGNATION SYSTEM FOR RECEIVING TUBES
  • KS C 7010-1985 TYPE DESIGNATION SYSTEM FOR RECEIVING TUBES
  • KS C IEC 60684-3-246-2015(2020) Flexible insulating sleeving-Part 3:Specifications for individual types of sleeving-Sheet 246:Heat-shrinkable polyolefin sleeving, dual wall, non-flame retarded
  • KS C 7012-1971 Type designation system for microwave tubes
  • KS C 7012-1985 Type designation system for microwave tubes
  • KS M 3500-1-2015(2020) Structured-wall polyethylene(PE) pipes for non-pressure underground drainage and sewerage — Part 1: Double-wall pipe
  • KS C IEC 60684-3-246:2015 Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 246: Heat-shrinkable polyolefin sleeving, dual wall, non-flame retarded
  • KS C IEC 60684-3-246:2008 Flexible insulating sleeving-Part 3:Specifications for individual types of sleeving-Sheet 246:Heat-shrinkable polyolefin sleeving, dual wall, non-flame retarded

Standards Institution of Israel

Magyar Szabványügyi Testület

Aerospace Industries Association

  • AIA NAS431 Bearing - Ball, Double Row Rod End Type
  • AIA NAS432 Bearing - Ball, Double Row Rod End Type
  • AIA NAS294 Bearings-Heavy Duty Self-Aligning, Inner and Outer Races Non- Separable, Single and Double Row Needle
  • AIA NAS293 Bearing-Roller Type, Heavy Section Outer Race and Inner Race Non-Separable, Double Row Needle

Association Francaise de Normalisation

  • NF E27-626:1982 Serrated lock washers. Double row of teeth. Plain form.
  • NF L66-531:1966 70 MM PHOTOGRAPHIC FILMS WITH DOUBLE ROW OF PERFORATIONS. (TYPE 2).
  • NF C93-643-247*NF EN 60684-3-247:2012 Flexible insulating sleeving - Part 3 : specifications for individual types of sleeving - Sheet 247 : heat-shrinkable polyolefin sleeving, dual wall, not flame retarded, thick and medium wall

National Standardisation Body (ASRO)

  • STAS 7128/2-1986 LETTER SYMBOLS FOR SEMI- ONDUCTOR DEVICES AND INTE- RATED MICROCIRCUITS ymbols for bipolar transistors
  • STAS 1696-1968 Drainage system cast iron pipes and components. Double sided sleeve size/dimensions

Society of Automotive Engineers (SAE)

  • SAE AS66-2004 CARBURETOR FLANGE@ AIRCRAFT@ DOUBLE BARREL - SIZE 24 (REMOTE FUEL DISCHARGE TYPE)
  • SAE AS27644-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Double Row@ Heavy Duty
  • SAE AS27644A-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Double Row@ Heavy Duty
  • SAE AS27644B Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty
  • SAE AS27644D Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty
  • SAE AS27644 Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty
  • SAE AS27644A Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty
  • SAE AS27644C Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty
  • SAE AS24464B-2016 (R) BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, SELF-ALIGNING, TYPE IV, ANTIFRICTION, INCH FSC 3110
  • SAE AS24464A-2005 (R) BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, SELF-ALIGNING, TYPE IV, ANTIFRICTION, INCH FSC 3110
  • SAE AS21439C Bearing, Roller, Needle, Double Row, Heavy Duty, Track Roller, Sealed, Type VI, Inch
  • SAE AS21439B Bearing, Roller, Needle, Double Row, Heavy Duty, Track Roller, Sealed, Type VI, Inch
  • SAE AS21439D Bearing, Roller, Needle, Double Row, Heavy Duty, Track Roller, Sealed, Type VI, Inch
  • SAE AS21439-1998 Bearing@ Roller@ Needle@ Double Row@ Heavy Duty@ Track Roller@ Sealed@ Type VI@ Inch
  • SAE AS21439 Bearing, Roller, Needle, Double Row, Heavy Duty, Track Roller, Sealed, Type Vi, Inch
  • SAE AS21439A Bearing, Roller, Needle, Double Row, Heavy Duty, Track Roller, Sealed, Type Vi, Inch
  • SAE AS27643A-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Self-Aligning@ Double Row@ Heavy Duty
  • SAE AS27647G-2023 BEARING, BALL, AIRFRAME ANTI-FRICTION, EXTRA WIDE DOUBLE ROW, INTERMEDIATE DUTY
  • SAE AS27643-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Self-Aligning@ Double Row@ Heavy Duty
  • SAE AS24464C-2023 BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, SELF-ALIGNING, TYPE IV, ANTIFRACTION, INCH
  • SAE AS24466-2002 Bearing, Roller, Needle-Double Row, Heavy Duty, Track Roller, Type VI, Antifriction, Inch FSC 3110
  • SAE AS27643D-2020 BEARING, BALL, AIRFRAME, ANTI-FRICTION, SELF-ALIGNING, DOUBLE ROW, HEAVY DUTY
  • SAE AS24464-1998 Bearing@ Roller@ Needle-Double Row@ Heavy Duty@ Self-Aligning@ Type IV@ Antifriction@ Inch (FSC 3110)
  • SAE AS24466B-2020 BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, TRACK ROLLER, TYPE VI, ANTIFRICTION, INCH
  • SAE AS24466A-2017 BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, TRACK ROLLER, TYPE VI, ANTIFRICTION, INCH
  • SAE AS27644/1A BEARING, BALL, AIRFRAME, ANTI-FRICTION, DOUBLE ROW, HEAVY DUTY, CORROSION RESISTANT NITROGEN STEEL (CREN)
  • SAE AS28913 Bearing, Roller, Self-Aligning, Double Row Airframe, Anti-Friction, Sealed, Type II
  • SAE AS28913C BEARING, ROLLER, SELF-ALIGNING, DOUBLE ROW, AIRFRAME, ANTI-FRICTION, SEALED, TYPE II
  • SAE AS28913A Bearing, Roller, Self-Aligning, Double Row Airframe, Anti-Friction, Sealed, Type Ii
  • SAE AS27644/1 Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty, Corrosion Resistant Nitrogen Steel (CREN)
  • SAE AS28913B Bearing, Roller, Self-Aligning, Double Row Airframe, Anti-Friction, Sealed, Type Ii
  • SAE AS39029/113A-2008 Contact, Electrical Connector, Concentric Twinax, Pin, Size 8, MIL-DTL-38999 Series I, III and IV
  • SAE AS222A-2006 FLANGE - TWO-BOLT EXHAUST
  • SAE AS222A Flange - Two-Bolt Exhaust
  • SAE AS222B-2013 Flange - Two-Bolt Exhaust
  • SAE AS28914C-2014 BEARING, ROLLER, SELF-ALIGNING, DOUBLE ROW, AIRFRAME, ANTI-FRICTION, SEALED, TYPE III
  • SAE AS222A-1973 Flange - Two-Bolt Exhaust
  • SAE AS222-1948 Flange-Two-Bolt Exhaust
  • SAE AS222 Flange - Two-Bolt Exhaust
  • SAE AS222B Flange - Two-Bolt Exhaust
  • SAE AS28914A-1999 Bearing@ Roller@ Self-Aligning@ Double Row Airframe@ Anti-Friction@ Sealed@ Type III (FSC 3110; Should Be Used Instead of MS28914D@ Which Was Cancelled on 02 September 1998)
  • SAE AS28914-1998 Bearing@ Roller@ Self-Aligning@ Double Row Airframe@ Anti-Friction@ Sealed@ Type III (FSC 3110; Should Be Used Instead of MS28914D@ Which Was Cancelled on 02 September 1998)
  • SAE AS39029/113-2007 Contact, Electrical Connector, Concentric Twinax, Pin, Size 8, MIL-DTL-38999 Series I, III and IV
  • SAE AS39029/113B-2016 Contact, Electrical Connector, Concentric Twinax, Pin, Size 8, MIL-DTL-38999 Series I, III and IV
  • SAE AS21151D-2008 Bearing, Ball, Rod End, Double Row, Precision, External Thread, Self-Aligning, Airframe, Type II, -65 to 300°F
  • SAE AS28915A-1999 Bearing@ Roller@ Self-Aligning@ Double Row Torque Tube@ Airframe@ Anti-Friction@ Sealed@ Type IV (FSC 3110; Should Be Used Instead of MS28915D@ Which Was Concelled on 02 September 1998)
  • SAE AS223-1948 Flange Installation-Two- Bolt Exhaust
  • SAE AS221 Gasket - Two-Bolt Exhaust Flange
  • SAE AS223A Flange Installation - Two-Bolt Exhaust
  • SAE AS70-2004 FLANGE@ TUBE - TWO BOLT TYPE - AIRCRAFT ENGINE

United States Navy

Defense Logistics Agency

Czech Standards Institute (UNMZ)

German Institute for Standardization

  • DIN 8187-1 Berichtigung 1:2006-11 Roller chains European type Part 1: Single, double and triple row roller chains
  • DIN 8188-1:1996-03 American type roller chains - Part 1: Simple, duplex and triplex chains
  • DIN 14375-1:1979 Double outlet standpipes, nominal pressure 16
  • DIN 8165-1:1992-03 Solid bearing pin type FV conveyor chains; single-strand and double-strand chains (not to be used for new designs)
  • DIN EN 60684-3-246:2007 Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 246: Heat-shrinkable polyolefin sleeving, dual wall, not flame retarded (IEC 60684-3-246:2007); German version EN 60684-3-246:2007
  • DIN 19692-1:1978 Soft cast iron fittings for drain pipes and pipelines double plug straight fittings
  • DIN 3862:1995 Non-soldering compression couplings - Double conical ring - Design and type of port end X
  • DIN 962 E:2012-01 Bolts, screws, studs and nuts - Designations, types and finishes
  • DIN 962:2013 Bolts, screws, studs and nuts - Designations, types and finishes
  • DIN 962:1975 Bolts, screws, studs and nuts - Designations, types and finishes
  • DIN 962:1969 Bolts, screws, studs and nuts - Designations, types and finishes
  • DIN 962:1983 Bolts, screws, studs and nuts - Designations, types and finishes

Swedish Institute for Standards

Gosstandart of Russia

  • GOST 20003-1974 Bipolar transistors. Terms, definitions and parameter symbols
  • GOST 23022-1978 Double cartridge boring heads. Types and basic dimensions
  • GOST 18604.16-1978 Transistors bipolar. Method of measurement of voltage feedback ratio in low signal conditionals

Netherlands Institute for Standardization

  • NEN 7029-1980 Unplasticized PVC pipes and doublé sockets for pressure pipelines for drain and sewer purposes

British Standards Institution (BSI)

  • BS EN 60684-3-246:2007 Flexible insulating sleeving - Specifications for individual types of sleeving - Heat-shrinkable polyolefin sleeving, dual wall, not flame retarded
  • BS EN 60684-3-246:2002 Specification for flexible insulating sleeving - Specification requirements for individual types of sleeving - Heat-shrinkable polyolefin sleeving, dual-wall, not flame retarded - Heat-shrinkable sleeving,dual wall,not flame retarded,polyolefin
  • BS EN 60684-3-247:2011 Flexible insulating sleeving. Specifications for individual types of sleeving. Sheet 247: Heat- shrinkable polyolefin sleeving, dual wall, not flame retarded, thick and medium wall
  • BS 4962:1982 Specification for plastics pipes for use as light duty sub-soil drains

South African Bureau of Standard

European Committee for Electrotechnical Standardization(CENELEC)

  • EN 60684-3-246:2007 Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 246: Heat-shrinkable polyolefin sleeving, dual wall, not flame retarded
  • EN 60684-3-246:1995 Specification for Flexible Insulating Sleeving Part 3: Specification Requirements for Individual Types of Sleeving; Sheet 246: Heat-Shrinkable Sleeving@ Dual-Wall@ Not Flame-Retarded@ Polyolefin
  • EN 60684-3-246:2002 Flexible Insulating Sleeving - Part 3: Specifications for Individual Types of Sleeving - Sheet 246: Heat-Shrinkable Polyolefin Sleeving@ Dual-Wall@ Not Flame-Retarded

Military Standards (MIL-STD)

  • DOD A-A-50909 C-1994 TUBES, DRAINAGE, SURGICAL (PENROSE TYPE)
  • MIL MIL-PRF-19500/507G-2017 Semiconductor Device, Diode, Silicon, Bipolar Transient Voltage Suppressor, Types 1N6036A through 1N6072A JAN, JANTX, and JANTXV
  • MIL MIL-PRF-19500/507F-2011 Semiconductor Device, Diode, Silicon, Bipolar Transient Voltage Suppressor, Types 1N6036A through 1N6072A JAN, JANTX, and JANTXV
  • MIL MIL-S-22885/26A-1986 SWITCH ASSEMBLIES, STYLE SL07 (10 AMPERE - DOUBLE BREAK) (NO S/S DOCUMENT)
  • MIL MIL-DTL-32139/4B-2020 CONNECTORS, ELECTRICAL, RECTANGULAR, NANOMINIATURE, DUAL ROW, RECEPTACLE, POLARIZED SHELL, SOCKET CONTACTS, CRIMP TYPE
  • MIL MIL-DTL-52471/2D-2019 Hose Assemblies, Rubber: Hydraulic Pressure-Type; Type 100R2, Double-Wire Braided Reinforcement Hose

Japanese Industrial Standards Committee (JISC)

Aerospace Industries Association/ANSI Aerospace Standards

  • NAS293-1952 Bearing-Roller Type@ Heavy Section Outer Race and Inner Race Non-Separable@ Double Row Needle (Rev 2)
  • NAS294-1952 Bearings-Heavy Duty Self-Aligning@ Inner and Outer Races Non- Separable@ Single and Double Row Needle (Rev 2)

Ente Nazionale Italiano di Unificazione

  • UNI 6272:1968 Typesetting: Typographic rules. Types, thicknesses and policies
  • UNI 7397-1975 Cast iron pipes and joints for unpressurized waste water, rainwater drains and exhaust pipes. Branch equals 67° 30' double tee fitting taper
  • UNI 7398-1975 Cast iron pipes and joints for unpressurized waste water, rainwater drains and exhaust pipes. Branch not equal to 67° 30' double tee fitting taper
  • UNI 7385-1975 Cast iron pipes and joints for unpressurized waste water, rainwater drains and exhaust pipes. Illustration symbols and general types

International Electrotechnical Commission (IEC)

  • IEC 60684-3-246:2007 Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 246: Heat-shrinkable polyolefin sleeving, dual wall, not flame retarded
  • IEC 60684-3-247:2019 RLV Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded, thick and medium wall

American National Standards Institute (ANSI)

Canadian Standards Association (CSA)

  • CAN/CSA-B64.8-1994 Backflow Preventers, Dual Check Valve Type with Intermediate Vent (DuCV)

International Telecommunication Union (ITU)

  • ITU-T Q.263-1984 Signalling procedures: Double seizing with both-way operation

Polski Komitet Normalizacyjny (PKN)

  • PN E06707-1988 Rotating electrical machines Symbols for types of construction and mounting arrangements
  • PN T01208-01-1992 Semiconductor devices Bipolar transistors Terminology and letter symbols

Austrian Standards

European Standard for Electrical and Electronic Components