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)

Nominal voltage

Nominal voltage, Total:194 items.

The international standard classification for "Nominal voltage" includes: Pressure vessels, gas cylinders , Industrial automation systems , Cylinders , Rubber compounding ingredients , Plastics pipes , Fluid power systems , Enamels , Equipment for the chemical industry , Other fluid power system components , Components for aerospace construction , Flanges, couplings and joints .

The Chinese standard classification for "Nominal voltage" includes: Pressure vessel , Pipeline fittings , Hydraulic and pneumatic device , Plastic profile , Chemical machinery and equipment in general , Non-metal chemical machinery equipment , Pipe fittings, clamps and seals .


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

  • GB/T 4217-2001 Thermoplastics pipes for the conveyance of fluids--Nominal outside diameters and nominal pressures
  • GB/T 7996-1987 Nominal volume and nominal diameter for glass-lined vessel
  • GB/T 4217-2008 Thermoplastics pipes for the conveyance of fluids - Nominal outside diameters and nominal pressures
  • GB/T 1048-1990 Nominal pressure for pipe components
  • GB/T 9019-2001 Nominal diameter of pressure vessels
  • GB/T 7938-1987 Fluid power systems and components--Cylinders--Nominal pressures
  • GB/T 7996-2013 Nominal Capacity and Diameter of Glass-lined Equipment
  • GB/T 2347-1980 Hydraulic fluid power; Pumps and motors; Geometric displacements
  • GB/Z 41390-2022 Supply voltage for industrial process measurement and control instruments
  • GB/T 9019-2015 Nominal diameter for pressure vessels
  • GB 2347-1980 Hydraulic pump and motor nominal displacement series

Professional Standard - Agriculture

Professional Standard - Machinery

  • JB/T 7938-2010 Hydraulic fluid power-Power units-Nominal capacities of reservoir
  • JB/T 7938-1999 Hydraulic fluid power. Power units. Nominal capacities of reservoir

Professional Standard - Aerospace

  • QJ 203-1986 Nominal and Test Pressure for Pipes and Pipeline Fittings

Taiwan Provincial Standard of the People's Republic of China

  • CNS 717-1962 Gate Valve (Flange Type) (Nominal Pressure 25 kgf/c}xt)
  • CNS 718-1962 Gate Valve (Flange Type) (Nominal Pressure 40 kgf/c}xt)
  • CNS 716-1962 Gate Valve (Flange Type) (Nominal Pressure 16 kgf/c}xt)

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure
  • GB/T 7996-2020 Norminal capacity and diameter of glass-lined equipment

Group Standards of the People's Republic of China

  • T/CNEA 101.31-2021 PWR pressure boundary components—Material— Part 31:Electric-fusion welded pipe for atmospheric and lower temperatures

GSO

  • GSO 399:1994 Pressure pipeline components -Definition of nominal size (Nominal diameter)-Nominal pressure.
  • OS GSO 399:1994 Pressure pipeline components -Definition of nominal size (Nominal diameter)-Nominal pressure.
  • GSO ISO 7268:2008 Pipe components – Definition of nominal pressure
  • OS GSO ISO 7268:2008 Pipe components – Definition of nominal pressure
  • GSO ISO 161-2:2015 Thermoplastics pipes for the conveyance of fluids -- Nominal outside diameters and nominal pressures -- Part 2: Inch-based series
  • BH GSO ISO 161-2:2017 Thermoplastics pipes for the conveyance of fluids -- Nominal outside diameters and nominal pressures -- Part 2: Inch-based series
  • OS GSO ISO 161-2:2015 Thermoplastics pipes for the conveyance of fluids -- Nominal outside diameters and nominal pressures -- Part 2: Inch-based series

British Standards Institution (BSI)

  • BS 7697:1993 Nominal voltages for low voltage public electricity supply systems
  • BS ISO 4397:2011 Fluid power connectors and associated components. Nominal outside diameters of tubes and nominal hose sizes

Spanish Association for Standardization (UNE)

  • UNE 21301:1991 NOMINAL VOLTAGES FOR LOW VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS.
  • UNE 21301/1M:1996 NOMINAL VOLTAGES FOR LOW VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS.
  • UNE 101-101-1985 Hydraulic and pneumatic transmission. Nominal pressure range
  • UNE 101101:1985 FLUID POWER SYSTEMS AND COMPONENTS. NOMINAL PRESSURES

CENELEC - European Committee for Electrotechnical Standardization

  • HD 472 S1/A1-1995 AMD A1 Nominal Voltages for Low Voltage Public Electricity Supply Systems

YU-JUS

HU-MSZT

German Institute for Standardization

  • DIN 14380:2014-08 Pressure limitation valve, nominal pressure 16
  • DIN 14355:1987 Collecting breeching; nominal pressure 16
  • DIN 14355:2007 Collecting breeching PN (nominal pressure) 16
  • DIN 3161:1974 Elbow valves for refrigerant circuits; nominal pressure 25 bar
  • DIN 24550-1:2006-09 Fluid power - Hydraulic filters - Part 1: Definitions, nominal pressures, nominal sizes, fitting dimensions
  • DIN 86201:2020-04 Connecting fittings for international fire-extinguishing shore connection - Nominal pressure 16
  • DIN 3160:1974 Through-valves for refrigerant circuits, nominal pressure 25 bar
  • DIN 87151:2015 Grey cast-iron coarse filters - DN 40 to DN 200, nominal pressure PN 2,5 - Compilation and dimensions
  • DIN 3163:1974 Control through valves for refrigerant circuits, nominal pressure 25 bar
  • DIN 20040:1990-10 Hose fittings; nipple valves; nominal pressure 16
  • DIN 34110:1991 Piston rings for general engineering; R-rings, plain compression rings, 10 up to 1200 mm nominal diameter
  • DIN 3162:1974 Screwed caps for valves for refrigerant circuits, nominal pressure 25 bar
  • DIN 14342:1986-11 Aluminium alloy B-C-adaptor for nominal pressure 16
  • DIN 14341:1986-11 Aluminium alloy C-D-adaptor for nominal pressure 16
  • DIN 20035:1990-10 Hose fittings; flange nozzle; nominal pressure 16
  • DIN 14343:1986-11 Aluminium alloy A-B-adaptor for nominal pressure 16
  • DIN 24255:1978 End-suction centrifugal pumps, rating 10 bar, with bearing bracket; designation, nominal duty point, main dimensions
  • DIN 86029:1987 Hubbed slip-on flanges for welding; nominal pressure 10
  • DIN 86030:1987 Hubbed slip-on flanges for welding; nominal pressure 16
  • DIN 3161:1974-08 Elbow valves for refrigerant circuits; nominal pressure 25 bar
  • DIN 20035:1990 Hose fittings; flange nozzle; nominal pressure 16

RO-ASRO

  • STAS 11761-1989 Automation means and devices SOLENOID VALVES Types, nominal diameters and nominal pressions
  • STAS 11758-1989 Cast iron and steel industrial valves SIGHTGLASSES Nominal diameters and nominal press
  • STAS 11754-1990 Steel industrial valves SAFETY VALVES WITH SPRING Types, nominal diameters and nominal pressures
  • STAS 11753-1988 Cast iron and steel industrialvalves ONTROL VALVES Types, nominal diameters and nominal pressures

SCC

  • DIN 14380 E:2014 Draft Document - Pressure limitation valve, nominal pressure 16
  • DIN 86201:2020 Connecting fittings for international fire-extinguishing shore connection - Nominal pressure 16
  • NS 176:1969 Threaded pipe flanges, 6 atm nominal pressure
  • NS 170:1968 Cast steel flanges for 100 atm nominal pressure
  • NS 166:1968 Cast steel flanges for 16 atm nominal pressure
  • NS 1762:1974 Welding neck flanges - Nominal pressure PN 10
  • NS 1765:1974 Welding neck flanges - Nominal pressure PN 40
  • NS 1768:1974 Welding neck flanges - Nominal pressure PN 160
  • NS 1770:1974 Welding neck flanges - Nominal pressure PN 320
  • NS 169:1968 Cast steel flanges for 64 atm nominal pressure
  • NS 1771:1974 Welding neck flanges - Nominal pressure PN 400
  • NS 1767:1974 Welding neck flanges - Nominal pressure PN 100
  • NS 1763:1974 Welding neck flanges - Nominal pressure PN 16
  • NS 1764:1974 Welding neck flanges - Nominal pressure PN 25
  • DIN 2810:1944 Pressed pressure pipes, welding neck collars; nominal pressure 100 to 400
  • NS 177:1989 Screwed flanges - Nominal pressure PN 10 and 16
  • NS 1769:1974 Welding neck flanges - Nominal pressure PN 250
  • NS 1761:1974 Welding neck flanges - Nominal pressure PN 6
  • NS 1766:1974 Welding neck flanges - Nominal pressure PN 64
  • DIN 14368 E:2015 Draft Document - Branchpipe-holder for nominal pressure 16
  • NS 2545:1982 Marine industry — Blank flanges — Nominal pressure PN 10
  • NS 5597:1977 Butt welding fittings, saddle joints, nominal pressure 16
  • NS 1779:1981 Flanges - Dimensions for flanges of cast iron - Nominal pressure PN 25
  • NS 1778:1981 Flanges - Dimensions for flanges of cast iron - Nominal pressure PN 16
  • NS 2526:1980 Marine industry - Slip-on flanges - Nominal pressure PN 10
  • NS 1781:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 16
  • NS 2546:1982 Marine industry — Blank flanges — Nominal pressure PN 16
  • NS 128:1978 Pipes, fittings, flanges and valves — Nominal pressure PN
  • NS 1789:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 400
  • NS 2527:1980 Marine industry - Slip-on flanges - Nominal pressure PN 16
  • NS 1787:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 250
  • NS 1784:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 64
  • NS 2529:1980 Marine industry - Slip-on flanges - Nominal pressure PN 40
  • NS 2538:1982 Marine industry — Set-on flanges — Nominal pressure PN 16
  • NS 2537:1982 Marine industry — Set-on flanges — Nominal pressure PN 10
  • NS 1777:1981 Flanges - Dimensions for flanges of cast iron - Nominal pressure PN 10
  • NS 1782:1981 Flanges - Dimensions of flanges of cast steel - Nominal pressure PN 25
  • NS 1785:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 100
  • NS 2547:1982 Marine industry — Blank flanges — Nominal pressure PN 40
  • NS 1788:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 320
  • NS 1775:1981 Flanges - Dimensions for flanges of cast iron - Nominal pressure PN 2,5
  • NS 1783:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 40
  • NS 2544:1982 Marine industry — Spectacle flanges — Nominal pressure PN 16
  • NS 1760:1974 Welding neck flanges — Nominal pressure PN 1 and 2,5
  • NS 1776:1981 Flanges - Dimensions for flanges of cast iron - Nominal pressure PN 6
  • NS 1780:1981 Flanges - Dimensions for flanges of cast iron - Nominal pressure PN 40
  • NS 2525:1980 Marine industry - Slip-on flanges - Nominal pressure PN 6
  • NS 1786:1981 Flanges - Dimensions for flanges of cast steel - Nominal pressure PN 160

CZ-CSN

Association Francaise de Normalisation

Korean Agency for Technology and Standards (KATS)

Danish Standards Foundation

  • DS/ISO 7268:1988 Pipe components. Definition of nominel pressure
  • DS/ISO 3322:1989 Fluid power systems and components. Cylinders. Nominal pressures
  • DS/ISO 2944:1989 Fluid power systems and components. Nominal pressures
  • DS/ISO 161-1:1988 Thermoplastics pipes for the transport of fluids. Nominal outside diameters and nominal pressures. Part I: Metric series

NO-SN

  • NS 1768-1974 Welding neck flanges - Nominal pressure PN 160
  • NS 1769-1974 Welding neck flanges - Nominal pressure PN 250
  • NS 1770-1974 Welding neck flanges - Nominal pressure PN 320
  • NS 1767-1974 Welding neck flanges - Nominal pressure PN 100
  • NS 1771-1974 Welding neck flanges - Nominal pressure PN 400
  • NS 1765-1974 Welding neck flanges - Nominal pressure PN 40
  • NS 1764-1974 Welding neck flanges - Nominal pressure PN 25
  • NS 1766-1974 Welding neck flanges - Nominal pressure PN 64
  • NS 1762-1974 Welding neck flanges - Nominal pressure PN 10
  • NS 1761-1974 Welding neck flanges - Nominal pressure PN 6
  • NS 177-1989 Screwed flanges - Nominal pressure PN 10 and 16
  • NS 2545-1982 Marine industry - Blank flanges - Nominal pressure PN 10
  • NS 5597-1977 Butt welding fittings, saddle joints, nominal pressure 16
  • NS 1782-1981 Flanges - Dimensions of flanges of cast steel - Nominal pressure PN 25
  • NS 128-1978 Pipes, fittings, flanges and valves - Nominal pressure PN
  • NS 2544-1982 Marine industry - Spectacle flanges - Nominal pressure PN 16

RU-GOST R

  • GOST 29324-1992 Thermoplastics pipes for the transport of fluids. Nominal outside diameters and nominal pressures
  • GOST 12449-1980 Pneumatic drives. Nominal flows of air
  • GOST 12447-1980 Hydraulic and pneumatic drives and lubricating systems. Standard diameters

Institute of Electrical and Electronics Engineers (IEEE)

  • IEEE 1312-1993 Standard Preferred Voltage Ratings for Alternating-Current Electrical Systems and Equipment Operating at Voltages Above 230 kV Nominal

International Organization for Standardization (ISO)

  • ISO 7268:1983 Pipe components; Definition of nominal pressure
  • ISO 161-1:2018 Thermoplastics pipes for the conveyance of fluids - Nominal outside diameters and nominal pressures - Part 1: Metric series
  • ISO 161-1:1996 Thermoplastics pipes for the conveyance of fluids - Nominal outside diameters and nominal pressures - Part 1: Metric series
  • ISO 2944:2000 Fluid power systems and components - Nominal pressures
  • ISO 161-1:1976 Title missing - Legacy paper document
  • ISO 161-2:1977 Thermoplastic pipes for the transport of fluids; Nominal outside diameters and nominal pressures; Part II : Inch series
  • ISO 161-1:1978 Thermoplastics pipes for the transport of fluids; Nominal outside diameters and nominal pressures; Part I : Metric series
  • ISO 7268:1983/Amd 1:1984 Amendment 1-1984
  • ISO 3322:1985 Fluid power systems and components; Cylinders; Nominal pressures

SE-SIS

  • SIS SMS 2024-1967 Plain pipe flanges for electric welding Nominal pressure 10 kgf/cm2 above atmospheric
  • SIS SMS 1230-1975 Pipeline systems. Nominal pressure, PN. Working pressure. Test pressure
  • SIS SMS 1644-1955 Pressure gauge, valve needle, external thread, nominal pressure: 64
  • SIS SMS 1646-1955 Pressure gauge, valve needle, external thread, nominal pressure: 160
  • SIS SMS 2023-1966 Plain pipe flanges for electric welding. ominal pressure 6 kgf/cm2 above atmospheric
  • SIS SMS 2025-1966 Plain pipe flanges for electric welding. Nominal pressure 16 kgflcm? above atmospheric

TR-TSE

  • TS 3610-1981 FLUID POWER SYSTEMS AND COMPONENTS — NOMINAL PRESSURES

American National Standards Institute (ANSI)

  • BS ISO 161-1:2018+A1:2023 Thermoplastics pipes for the conveyance of fluids. Nominal outside diameters and nominal pressures Metric series (British Standard)
  • ANSI B93.98M-1987 Fluid Power - Rotary Shaft Lip Type Seals - Nominal Dimensions and Tolerances

Japanese Industrial Standards Committee (JISC)

VN-TCVN

KR-KS

  • KS M ISO 161-1-2003(2023) Thermoplastics pipes for the conveyance of fluids —Nominal outside diameters and nominal pressures —Part 1: Metric series