Flow system

Flow system, Total:132 items.

The international standard classification for "Flow system" includes: Refrigerating technology , Geology. Meteorology. Hydrology , Non-destructive testing , Reactor engineering , Measurement of fluid flow , Chemical laboratories. Laboratory equipment , Transfusion, infusion and injection equipment , Laboratory medicine , Flow in closed conduits .

The Chinese standard classification for "Flow system" includes: Refrigeration equipment , Hydrology and water conservancy instrument , X ray, magnetic powder, fluorescent light and other defectoscope , General nuclear instrument , Electrochemical, thermochemistry and optical profile type analyzer , Oceanographic instrumentation , Medical laboratory equipment , Mechanics Measurement , Ultrasonic wave and sound radiation defectoscope .

Group Standards of the People's Republic of China

T/CASME 977-2023 Construction Specification for Instrument and Meter Sales System
T/CARP 0016-2023 Integrated Backup Instrument System
T/JSGT 002-2020 Exhaust gas ultrasonic velocity and flow meters
T/SBX 063-2022 Virtual shape meter system for the whole process of strip production
T/ZZB 2814-2022 Safety instrumented system

Professional Standard - Energy and Power Planning

DL/T 1582-2016 Guide for instruments test of HVDC valve cooling system

Professional Standard - Business

SB/T 10354-2002 Refrigerating systems and heat pumps - System flow diagrams and piping instrument diagrams Layout and symbols

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

GB/T 5962-1995 STANDARD instrumentation system
GB/T 11826.2-2012 Current meter and flow meter—Part 2:Ultrasonic current meter
GB/T 11826-2002 Rotating current meter
GB/T 11827-1989 Cup-type current meter
GB/T 23681-2009 Refrigerating systems and heat pumps - System flow diagrams and piping instrument diagrams - Layout and symbols
GB/T 14480.3-2020 Non-destructive testing instruments—Equipment for eddy current examination—Part 3:System characteristics and verification
GB/Z 44564-2024 Safety instrumented systems—Process analysis technology systems
GB/T 11826-2019 Rotating-element current-meters

Professional Standard - Water Conservancy

SL/T 186-1997 Ultrasonic current meter
SL 340-2006 Recorder for flow velocity and discharge

Professional Standard - Ocean

HY/T 157-2013 Portable flowmeter

Henan Provincial Standard of the People's Republic of China

DB41/T 2229-2022 Procedures for flow measurement by electric wave current meter

Professional Standard - Medicine

YY/T 1460-2016 Blood rheometer
YY/T 0588-2005 Flow cytometer
YY/T 0588-2017 Flow cytometer
YY/T 1967-2025 Streaming Dot Matrix Instrument

National Metrological Verification Regulations of the People's Republic of China

JJG(民航) 0085-2005 NM3710 ILS field test set
JJG 031-2020 Propeller Velocimeter
JJG 1003-2005 Verification Regulation of Intergration Meters
JJG(水利) 001-2009 Rotating Element Current Meter
JJG 1003-2016 Flow Integration Meters
JJG 030-2020 Ultrasonic Velocimeter

Professional Standard - Machinery

JB/T 13941-2020 Nondestructive testing instrument - Remote-field eddy current testing equipment
JB/T 2274-2014 Flow display instruments
JB/T 11259-2011 Non-destructive testing instrument —Multifrequency eddy current testing equipment
JB/T 13939-2020 Nondestructive testing instruments - Eddy current thickness gauge
JB/T 2274-1991 Flow Display Instrument
JB/T 6812-1993 DDZ-Ⅱ series electric unit combined meter shunt
JB/T 12455-2015 Nondestructive testing instruments―Swept frequency eddy current testing instrument
JB/T 5472-2022 Instrument current transformers
JB/T 15098-2025 Flow automatic control equipment

Professional Standard - Geology

DZ/T 0196.2-1997 General technical conditions for logging instrument - ground instrument (system)

Swedish Institute for Standards

SS-EN IEC 61225:2020 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems
SS-EN 1861:1998 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols
SIS SS IEC 516:1986 Nuclear instrumentation - A modul?r instrumentation system for data handling; CAMAC system

International Electrotechnical Commission (IEC)

IEC 61225:2025 RLV Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems
IEC 61225:2025 PRV Requirements for static uninterruptible DC and AC power supply systems in nuclear power plants
IEC 61225:2025 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems
IEC 61225:2019 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems
IEC TR 61869-100:2017 Instrument transformers - Part 100: Guidance for application of current transformers in power system protection

Association for Electrical, Electronic & Information Technologies (VDE)

VDE 0491-8-2017 Nuclear power plants - Instrumentation@ control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (IEC 45A/1138/CD:2017)

German Institute for Standardization

DIN IEC 61225:2017-11 Draft Document - Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (IEC 45A/1138/CD:2017)
DIN IEC 61225 E:2024-11 Draft Document - Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (IEC 45A/1532/CDV:2024); Text in German and English
DIN EN IEC 61225:2020-11 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (IEC 61225:2019); German version EN IEC 61225:2020
DIN EN 1861:1998-07 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols; German version EN 1861:1998
DIN IEC 61225:2017 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (IEC 45A/1138/CD:2017)
DIN EN 1861:1998 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols; German version EN 1861:1998
DIN IEC 61225 E:2017-11 Draft Document - Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (IEC 45A/1138/CD:2017)
DIN IEC 516 Beiblatt 1:1988 A modular instrumentation system for data handling; CAMAC-System
DIN EN IEC 61225:2020 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (IEC 61225:2019); German version EN IEC 61225:2020

American Petroleum Institute (API)

API RP 550 P2 S4-1983 Manual on Installation of Refinery Instruments and Control Systems Part II—Process Stream Analyzers Section 4—Moisture Analyzers (FOURTH EDITION)
API RP 550 P2-1977 Manual on Installation of Refinery Instruments and Control Systems Part II - Process Stream Analyzers (2nd Edition)
API RP 550 P2 S1-1985 Manual on Installation of Refinery Instruments and Control Systems Part II-Process Stream Analyzers Section 1-Analyzers (FOURTH EDITION)
API RP 550 P2 S9-1984 Manual on Installation of Refinery Instruments and Control Systems - Part 11-Process Stream Analyzers - Section 9-Water Quality Analyzers (FOURTH EDITION)
API RP 550 P2 S5-1983 Manual on Installation of Refinery Instruments and Control Systems - Part 11-Process Stream Analyzers Section 5-0xygen Analyzers (FOURTH EDITION)
API RP 550 P2 S7-1984 Manual on Installation of Refinery Instruments and Control Systems - Part 11-Process Stream Analyzers - Section 7 - electrochemical liquid analyzers (FOURTH EDITION)
API RP 550 P1 S1-1977 Manual on Installation of Refinery Instruments and Control Systems Part I - Process Instrumentation and Control Section 1 - Flow (THIRD EDITION)
API RP 550 P1 S1-1986 Manual on Installation of Refinery Instruments and Control Systems Part I - Process Instrumentation and Control Section 1 - Flow (Fourth EDITION)

European Committee for Electrotechnical Standardization（CENELEC）

EN IEC 61225:2020 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems

Comitato Elettrotecnico Italiano

CEI EN IEC 61225:2020 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems

Danish Standards Foundation

DANSK DS/EN IEC 61225:2020 Nuclear power plants – Instrumentation, control and electrical power systems – Requirements for static uninterruptible DC and AC power supply systems
DS/EN 1861:2003 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols
DANSK DS/EN 1861:2000 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols
DANSK DS/ISO 13227:2025 Petroleum products and lubricants – Rheological properties of lubricating greases – Determination of flow point using an oscillatory rheometer with a parallel-plate measuring system

Association Francaise de Normalisation

NF EN IEC 61225:2020 Nuclear power plants - Instrumentation, control and power systems - Requirements for uninterrupted static alternating current and direct current power systems
NF E35-415*NF EN 1861:1998 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols.
NF T60-687*NF ISO 13227:2025 Petroleum products and lubricants - Rheological properties of lubricating greases - Determination of flow point using an oscillatory rheometer with a parallel-plate measuring system

British Standards Institution (BSI)

BS EN IEC 61225:2020 Nuclear power plants. Instrumentation, control and electrical power systems. Requirements for static uninterruptible DC and AC power supply systems
BS IEC 61225:2019 Nuclear power plants. Instrumentation, control and electrical power systems. Requirements for static uninterruptible DC and AC power supply systems
23/30469012 DC BS EN IEC 61225. Nuclear power plants. Instrumentation, control and electrical power systems. Requirements for static uninterruptible DC and AC power supply systems
BS PD IEC/TR 61869-100:2017 Instrument transformers. Guidance for application of current transformers in power system protection
BS 3680-8G:1992 Measurement of liquid flow in open channels. Measuring instruments and equipment-Specification for system requirements for hydrometric telemetry systems
BS ISO 13227:2025 Petroleum products and lubricants. Rheological properties of lubricating greases. Determination of flow point using an oscillatory rheometer with a parallel-plate measuring system
BS 3680-8D:1980 Measurement of liquid flow in open channels. Measuring instruments and equipment. Cableway system for stream gauging

Spanish Association for Standardization (UNE)

UNE-EN IEC 61225:2020 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems (Endorsed by Asociación Española de Normalización in May of 2020.)
UNE-EN 1861:1999 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols
AENOR UNE-EN 1861:1999 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols

American Society for Testing and Materials (ASTM)

ASTM D3764-01 Standard Practice for Validation of Process Stream Analyzer Systems
ASTM D3764-19 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D7453-22 Standard Practice for Sampling of Petroleum Products for Analysis by Process Stream Analyzers and for Process Stream Analyzer System Validation
ASTM D3764-92(1998) Standard Practice for Validation of Process Stream Analyzer Systems
ASTM D3764-15 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D7453-09(2015) Standard Practice for Sampling of Petroleum Products for Analysis by Process Stream Analyzers and for Process Stream Analyzer System Validation
ASTM D7453-18 Standard Practice for Sampling of Petroleum Products for Analysis by Process Stream Analyzers and for Process Stream Analyzer System Validation
ASTM D7453-17 Standard Practice for Sampling of Petroleum Products for Analysis by Process Stream Analyzers and for Process Stream Analyzer System Validation
ASTM D3764-22 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D3764-06e1 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D3764-15e1 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D3764-06 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D3764-13 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D3764-09 Standard Practice for Validation of the Performance of Process Stream Analyzer Systems
ASTM D7453-09 Standard Practice for Sampling of Petroleum Products for Analysis by Process Stream Analyzers and for Process Stream Analyzer System Validation
ASTM STP 526-1973 Direct-current Magnetic Hysteresigraphs

Lithuanian Standards Office

LST EN 1861-2002 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols

Standards Norway

NS-EN 1861:1998 Refrigerating systems and heat pumps — System flow diagrams and piping and instrument diagrams — Layout and symbols

Standard Association of Australia （SAA）

AS IEC 61511:2004 Functional safety - Safety instrumented systems for the process industry sector
AS 4250.2:1995 Liquid hydrocarbons - Dynamic measurement - Proving systems for volumetric meters - Pipe provers
AS 3778.6.6:2008 Liquid flow measurement in open channels Measuring devices, instruments and equipment Cableway systems for flow measurement

European Committee for Standardization (CEN)

EN 1861:1998 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols
EN 1:1998 Flued Oil Stoves with Vaporizing Burners (Incorporates Amendment A1: 2007)

Ente Nazionale Italiano di Unificazione

UNI EN 1861:2000 Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols

American National Standards Institute （ANSI)

ANSI/ASME PTC19.22-2007 Instruments and Apparatus - Digital Systems Techniques
ANSI/ISA 84.00.01-2004 Part 1 Functional Safety: Safety Instrumented Systems for the Process Industry Sector - Part 1: Framework, Definitions, System, Hardware and Software Requirements

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

ASHRAE LV-11-004-2011 Performance Evaluation of Handheld Airflow Instruments Applied to Commercial Kitchen Exhaust Systems

Canadian Standards Association (CSA)

CSA Z305.3-M1979-1979 Pressure Regulators, Gauges, Flowmetering Devices for Medical Gas Systems
CSA Z303.3-M1979-1979 Pressure Regulators, Gauges and Flow Metering Devices for Medical Gas Systems

OVE Austrian Electrotechnical Association

OVE EN IEC 61225:2020 Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems ((IEC 61225:2019) EN IEC 61225:2020) (german version)

U.S. Air Force

AIR FORCE A-A-59110-1997 LEAK DETECTOR, FUEL SYSTEM [Superseded: AIR FORCE MIL-L-83774 A CANC NOTICE 1, AIR FORCE MIL-L-83774 A, AIR FORCE MIL-L-83774 REINST NOTICE 2, AIR FORCE MIL-L-83774 CANC NOTICE 1, AIR FORCE MIL-L-83774]

International Organization for Standardization (ISO)

ISO 13227:2025 Petroleum products and lubricants — Rheological properties of lubricating greases — Determination of flow point using an oscillatory rheometer with a parallel-plate measuring system
ISO/TR 11974:1997 Measurement of liquid flow in open channels - Electromagnetic current meters

Society of Automotive Engineers (SAE)

SAE ARP794A-2008 Airstream Deviation Instrument (ADI)
SAE ARP794-1968 Airstream Deviation Instrument (ADI)
SAE ARP794-1991 AIRSTREAM DEVIATION INSTRUMENT (ADI)
SAE ARP794 Airstream Deviation Instrument (ADI)
SAE ARP794A Airstream Deviation Instrument (ADI)

Polski Komitet Normalizacyjny (PKN)

PN E06157-03-1989 Mechanical Iow voltage switching devices Identification of apparatus terminals and of uniform system of terminal marking Current auxiliary circuits in contactors

Association of German Mechanical Engineers

VDI/VDE 5590 BLATT 2:2022 Terahertz systems — time domain spectrometers (TDS systems)
VDI VDE 5590 Blatt 2-2022 Terahertz systems Time domain spectroscopy (TDS) systems