• EN 1776:2015

    Current The latest, up-to-date edition.

    GAS INFRASTRUCTURE - GAS MEASURING SYSTEMS - FUNCTIONAL REQUIREMENTS

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    Published date:  16-12-2015

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    European foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General requirements
    5 Basic requirements for measuring systems
    6 Energy Determination
    7 Design of gas measuring system
    8 Construction of a gas measuring installation
    9 Testing of the gas measuring installation/station
    10 Pre-commissioning and commissioning of the
       gas measuring installation
    11 Operation and maintenance
    12 Decommissioning
    Annex A (informative) - Guideline for the selection of meters
    Annex B (informative) - Sensor test procedures
    Annex C (informative) - Set of formulae to calculate volume
            or mass to energy
    Annex D (informative) - Comformity assessment for the
            energy determination
    Annex E (informative) - Specific national examples of
            the assessment of conformityof the metrological
            performance of a gas measuring system
    Annex F (informative) - Documentation and records
    Annex G (informative) - Typical examples of positions of
            gas measuring installations
    Annex H (informative) - Significant technical changes from
            the last edition of this standard, EN 1776:1998
    Bibliography

    Abstract - (Show below) - (Hide below)

    This European Standard specifies functional requirements for the design, construction, testing, commissioning/decommissioning, operation, maintenance and where appropriate calibration, together with suitable documented provisions for all new gas measuring systems and any major changes of existing systems.

    General Product Information - (Show below) - (Hide below)

    Committee TC 234
    Development Note Supersedes PREN 1776. (01/2016)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    UNI CEN/TR 16395 : 2014 GAS INFRASTRUCTURE - CEN/TC 234 PRESSURE DEFINITIONS GUIDELINE DOCUMENT
    DIN EN 16348:2013-09 GAS INFRASTRUCTURE - SAFETY MANAGEMENT SYSTEM (SMS) FOR GAS TRANSMISSION INFRASTRUCTURE AND PIPELINE INTEGRITY MANAGEMENT SYSTEM (PIMS) FOR GAS TRANSMISSION PIPELINES - FUNCTIONAL REQUIREMENTS
    14/30298608 DC : 0 BS EN 1918-5 - GAS INFRASTRUCTURE - UNDERGROUND GAS STORAGE - PART 5: FUNCTIONAL REQUIREMENTS FOR SURFACE FACILITIES
    DIN EN 12405-3:2016-04 Gas meters - Conversion devices - Part 3: Flow computer
    CEN/TR 13737-2 : 2014 GAS INFRASTRUCTURE - IMPLEMENTATION GUIDE FOR FUNCTIONAL STANDARDS PREPARED BY CEN/TC 234 - PART 2: NATIONAL PAGES RELATED TO CEN/TC 234 STANDARDS
    06/30150265 DC : 0 EN 1474-1 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 1: DESIGN AND TESTING OF TRANSFER ARMS
    BS EN 16314 : 2013 GAS METERS - ADDITIONAL FUNCTIONALITIES
    BS EN ISO 15112:2014 NATURAL GAS - ENERGY DETERMINATION
    PREN 1594 : DRAFT 2013 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    S.R. 12007-5:2016 GUIDANCE ON THE APPLICATION OF I.S. EN 12007-5:2014, GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES - SPECIFIC FUNCTIONAL REQUIREMENTS
    DIN EN ISO 15970 E : 2014 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR (ISO 15970:2008)
    13/30289289 DC : 0 BS EN 12405-3 - GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    BS EN 12007-5:2014 Gas infrastructure. Pipelines for maximum operating pressure up to and including 16 bar Service lines. Specific functional requirements
    10/30218038 DC : DRAFT MAY 2010 BS ISO 15112 - NATURAL GAS - ENERGY DETERMINATION
    PREN 1473 : DRAFT 2018 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    13/30280729 DC : 0 BS EN 12186 - GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    PREN 12405-1 : DRAFT 2017 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    UNE-EN 16314:2014 Gas meters - Additional functionalities
    BS EN 12405-3 : 2015 GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    I.S. EN 12405:2002 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    BS PD CEN/TR 16395 : 2012 GAS INFRASTRUCTURE - CEN/TC 234 PRESSURE DEFINITIONS - GUIDELINE DOCUMENT
    PREN 12007-1 : DRAFT 2010 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL RECOMMENDATIONS
    09/30207853 DC : 0 BS EN 12405-2 - GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    UNI EN 12405-2 : 2012 GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    BS EN ISO 15970 : 2014 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR
    12/30259203 DC : 0 BS EN 12007-5 - GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES, SPECIFIC FUNCTIONAL REQUIREMENTS
    13/30271116 DC : 0 BS EN 1594 - GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    UNE-EN 16348:2014 Gas infrastructure - Safety Management System (SMS) for gas transmission infrastructure and Pipeline Integrity Management System (PIMS) for gas transmission pipelines - Functional requirements
    NF EN 12405-1 : 2005 + A2 2010 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    UNI EN 12007-5 : 2014 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES - SPECIFIC FUNCTIONAL REQUIREMENTS
    10/30208792 DC : 0 BS EN 12007-1 - GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL RECOMMENDATIONS
    EN 1473:2016 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    05/30128234 DC : DRAFT FEB 2005 EN 1473 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    DIN EN 12007-5 E : 2014 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES - SPECIFIC FUNCTIONAL REQUIREMENTS
    BS EN 16348:2013 Gas infrastructure. Safety Management System (SMS) for gas transmission infrastructure and Pipeline Integrity Management System (PIMS) for gas transmission pipelines. Functional requirements
    05/30128654 DC : DRAFT FEB 2005 EN 1775 - GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    DIN EN ISO 15112 E : 2014 NATURAL GAS - ENERGY DETERMINATION (ISO 15112:2011)
    DIN EN 16314:2013-09 GAS METERS - ADDITIONAL FUNCTIONALITIES
    DIN EN 12405-2:2012-10 GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    UNE-EN ISO 15970:2014 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008)
    DIN EN 12007-5:2014-07 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMIUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES - SPECIFIC FUNCTIONAL REQUIREMENTS
    04/30122896 DC : DRAFT SEP 2004 ISO 15112 - NATURAL GAS - ENERGY DETERMINATION
    04/30124466 DC : DRAFT OCT 2004 EN 12405-1 - GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    BS PD CEN/TR 16940 : 2016 DOMESTIC GAS INSTALLATIONS - RECOMMENDATIONS FOR SAFETY
    DIN EN ISO 15970:2014-09 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR (ISO 15970:2008)
    BS EN 12405-2 : 2012 GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    UNE-EN ISO 15112:2014 Natural gas - Energy determination (ISO 15112:2011)
    DIN EN 12405-3 E : 2016 GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    06/30160085 DC : 0 BS ISO 15970 - NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR
    UNI EN 12405-1 : 2010 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    BS ISO 15112 : 2011 NATURAL GAS - ENERGY DETERMINATION
    BS PD CEN/TR 13737-2 : 2014 GAS INFRASTRUCTURE - IMPLEMENTATION GUIDE FOR FUNCTIONAL STANDARDS PREPARED BY CEN/TC 234 - PART 2: NATIONAL PAGES RELATED TO CEN/TC 234 STANDARDS
    14/30297213 DC : 0 BS EN 1473 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    PREN 12186 : DRAFT 2013 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    PREN 12405-3 : DRAFT 2013 GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    UNE-EN 12405-2:2013 Gas meters - Conversion devices - Part 2: Energy conversion
    UNI EN 16348 : 2013 GAS INFRASTRUCTURE - SAFETY MANAGEMENT SYSTEM (SMS) FOR GAS TRANSMISSION INFRASTRUCTURE AND PIPELINE INTEGRITY MANAGEMENT SYSTEM (PIMS) FOR GAS TRANSMISSION PIPELINES - FUNCTIONAL REQUIREMENTS
    I.S. EN 16314:2013 GAS METERS - ADDITIONAL FUNCTIONALITIES
    BS ISO 15970 : 2008 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR
    CEN/TR 16940 : 2016 DOMESTIC GAS INSTALLATIONS - RECOMMENDATIONS FOR SAFETY
    DIN EN ISO 15112:2014-09 Natural gas - Energy determination (ISO 15112: 2011)
    UNE-EN 12405-3:2016 Gas meters - Conversion devices - Part 3: Flow computer
    I.S. EN 16348:2013 GAS INFRASTRUCTURE - SAFETY MANAGEMENT SYSTEM (SMS) FOR GAS TRANSMISSION INFRASTRUCTURE AND PIPELINE INTEGRITY MANAGEMENT SYSTEM (PIMS) FOR GAS TRANSMISSION PIPELINES - FUNCTIONAL REQUIREMENTS
    UNE-EN 12405-1:2006 Gas meters - Conversion devices - Part 1: Volume conversion
    UNI EN 16314 : 2013 GAS METERS - ADDITIONAL FUNCTIONALITIES
    BS EN 12405-1 : 2005 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    UNI EN ISO 15112 : 2014 NATURAL GAS - ENERGY DETERMINATION
    UNI EN ISO 15970 : 2014 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR
    I.S. EN 12405-2:2012 GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    S.R. CEN/TR 16395:2012 GAS INFRASTRUCTURE - CEN/TC 234 PRESSURE DEFINITIONS - GUIDELINE DOCUMENT
    I.S. EN 12405-3:2015 GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    S.R. CEN/TR 13737-2:2014 GAS INFRASTRUCTURE - IMPLEMENTATION GUIDE FOR FUNCTIONAL STANDARDS PREPARED BY CEN/TC 234 - PART 2: NATIONAL PAGES RELATED TO CEN/TC 234 STANDARDS
    I.S. EN 12007-5:2014 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES - SPECIFIC FUNCTIONAL REQUIREMENTS
    I.S. EN ISO 15970:2014 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR (ISO 15970:2008)
    S.R. CEN/TR 16940:2016 DOMESTIC GAS INSTALLATIONS - RECOMMENDATIONS FOR SAFETY
    I.S. EN ISO 15112:2014 NATURAL GAS - ENERGY DETERMINATION (ISO 15112:2011)
    18/30369304 DC : DRAFT APR 2018 BS EN 1473 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    17/30356731 DC : 0 BS EN 12405-1 - GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    ISO 15112:2011 Natural gas Energy determination
    BS PD CEN/TR 16478 : 2012 SURVEILLANCE FROM FIRST COMMISSIONING ON MEASURING DEVICES USED IN NATURAL GAS SUPPLY TO THE INSTALLATIONS OF THE ACTIVITIES UNDER THE DIRECTIVE 2003/87/EC ESTABLISHING A SCHEME OF CO[2] EMISSIONS TRADING
    PREN 1918-5 : DRAFT 2014 GAS INFRASTRUCTURE - UNDERGROUND GAS STORAGE - PART 5: FUNCTIONAL REQUIREMENTS FOR SURFACE FACILITIES
    I.S. EN 12405-1:2005 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    S.R. CEN/TR 16478:2012 SURVEILLANCE FROM FIRST COMMISSIONING ON MEASURING DEVICES USED IN NATURAL GAS SUPPLY TO THE INSTALLATIONS OF THE ACTIVITIES UNDER THE DIRECTIVE 2003/87/EC ESTABLISHING A SCHEME OF CO[2] EMISSIONS TRADING
    EN 12405-1:2005+A2:2010 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    ISO 17842-1:2015 Safety of amusement rides and amusement devices Part 1: Design and manufacture
    DIN EN 12327:2012-10 GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS
    DIN EN 12186:2014-12 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    DIN EN 1594:2013-12 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    DIN EN 1473:2016-10 Installation and equipment for liquefied natural gas - Design of onshore installations
    DIN EN 12405-1:2011-04 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    DIN EN 12007-1:2012-10 Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 1: General functional requirements; German version EN 12007-1:2012
    BS EN 12327 : 2012 GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS
    BS EN 1775 : 2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    BS EN 1594 : 2013 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    UNE-EN 12186:2015 Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements
    BS EN 1473:2016 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    14/30278953 DC : 0 BS ISO 17842-1 - SAFETY OF AMUSEMENT RIDES AND AMUSEMENT DEVICES - PART 1: DESIGN AND MANUFACTURE
    BS ISO 17842-1:2015 (published 2015-07) Safety of amusement rides and amusement devices Design and manufacture
    BS EN 12186 : 2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    BS EN 12405 : 2002 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    UNE-EN 1594:2014 Gas infrastructure - Pipelines for maximum operating pressure over 16 bar - Functional requirements
    UNE-EN 12327:2013 Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements
    UNE-EN 12007-1:2013 Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 1: General functional requirements
    ISO 15970:2008 Natural gas Measurement of properties Volumetric properties: density, pressure, temperature and compression factor
    BS EN 12007-1 : 2012 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL REQUIREMENTS
    EN ISO 15112 : 2014 NATURAL GAS - ENERGY DETERMINATION (ISO 15112:2011)
    DIN EN 1775:2007-10 Gas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendations
    I.S. EN 1594:2013 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    DIN EN 1473:1997-11 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    I.S. EN 12327:2012 GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS
    DIN EN 12405:2003-10 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    I.S. EN 12186:2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    I.S. EN 1473:2016 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    I.S. EN 1775:2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    I.S. EN 12007-1:2012 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL REQUIREMENTS
    EN 12405-2 : 2012 GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    EN 12007-5:2014 Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 5: Service lines - Specific functional requirements
    CEN/TR 16395:2012 Gas Infrastructure - CEN/TC 234 Pressure Definitions - Guideline Document
    EN 12405 : 2002 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    EN 12007-1:2012 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL REQUIREMENTS
    EN 16348:2013 Gas infrastructure - Safety Management System (SMS) for gas transmission infrastructure and Pipeline Integrity Management System (PIMS) for gas transmission pipelines - Functional requirements
    CEN/TR 16478 : 2012 SURVEILLANCE FROM FIRST COMMISSIONING ON MEASURING DEVICES USED IN NATURAL GAS SUPPLY TO THE INSTALLATIONS OF THE ACTIVITIES UNDER THE DIRECTIVE 2003/87/EC ESTABLISHING A SCHEME OF CO[2] EMISSIONS TRADING
    EN 12186:2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    EN 12327:2012 GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS
    EN 12405-3 : 2015 GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    EN 1775 : 2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    EN ISO 15970 : 2014 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR (ISO 15970:2008)
    EN 16314 : 2013 GAS METERS - ADDITIONAL FUNCTIONALITIES
    EN 1594:2013 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    UNI EN 12186 : 2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    UNI EN 12007-1 : 2012 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL REQUIREMENTS
    UNI EN 1594 : 2013 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    UNI EN 1775 : 2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    UNI EN 12327 : 2012 GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 1127-1:2011 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    EN 12327:2012 GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS
    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    EN ISO 15796 : 2008 GAS ANALYSIS - INVESTIGATION AND TREATMENT OF ANALYTICAL BIAS (ISO 15796:2005)
    ISO 10715:1997 Natural gas Sampling guidelines
    EN ISO 6142-1 : 2015 GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES - PART 1: GRAVIMETRIC METHOD FOR CLASS 1 MIXTURES (ISO 6142-1:2015)
    EN 15001-1 : 2009 GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 1: DETAILED FUNCTIONAL REQUIREMENTS FOR DESIGN, MATERIALS, CONSTRUCTION, INSPECTION AND TESTING
    EN 12405-1:2005+A2:2010 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    EN ISO 13443 : 2005 NATURAL GAS - STANDARD REFERENCE CONDITIONS
    EN 12007-3:2015 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 3: SPECIFIC FUNCTIONAL REQUIREMENTS FOR STEEL
    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)
    ISO 6976:2016 Natural gas Calculation of calorific values, density, relative density and Wobbe indices from composition
    EN 1775 : 2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    ISO 15971:2008 Natural gas Measurement of properties Calorific value and Wobbe index
    EN 60079-10-1:2015 EXPLOSIVE ATMOSPHERES - PART 10-1: CLASSIFICATION OF AREAS - EXPLOSIVE GAS ATMOSPHERES (IEC 60079-10-1:2015 + COR1:2015)
    ISO 5168:2005 Measurement of fluid flow Procedures for the evaluation of uncertainties
    EN 60079-29-1:2016 EXPLOSIVE ATMOSPHERES - PART 29-1: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF DETECTORS FOR FLAMMABLE GASES
    ISO 10723:2012 Natural gas Performance evaluation for analytical systems
    IEC 60079-17:2013 Explosive atmospheres - Part 17: Electrical installations inspection and maintenance
    ISO/IEC Guide 98-1:2009 Uncertainty of measurement Part 1: Introduction to the expression of uncertainty in measurement
    EN 12007-1:2012 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL REQUIREMENTS
    ISO 15796:2005 Gas analysis Investigation and treatment of analytical bias
    EN 13463-1 : 2009 NON-ELECTRICAL EQUIPMENT FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES - PART 1: BASIC METHOD AND REQUIREMENTS
    EN 1594:2013 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
    2004/22/EC : 2004 DIRECTIVE 2004/22/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 31 MARCH 2004 ON MEASURING INSTRUMENTS
    EN 24006 : 1993 MEASUREMENT OF FLUID FLOW IN CLOSED CIRCUITS - VOCABULARY AND SYMBOLS
    ISO 12213-3:2006 Natural gas Calculation of compression factor Part 3: Calculation using physical properties
    ISO/IEC Guide 98-4:2012 Uncertainty of measurement Part 4: Role of measurement uncertainty in conformity assessment
    2004/108/EC : 2004 DIRECTIVE 2004/108/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 15 DECEMBER 2004 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO ELECTROMAGNETIC COMPATIBILITY AND REPEALING DIRECTIVE 89/336/EC
    IEC 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
    ISO 6975:1997 Natural gas Extended analysis Gas-chromatographic method
    EN ISO 6143:2006 Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2001)
    EN 12405-3 : 2015 GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    EN 15001-2 : 2008 GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 2: DETAILED FUNCTIONAL REQUIREMENTS FOR COMMISSIONING, OPERATION AND MAINTENANCE
    ISO 6143:2001 Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
    EN 12279:2000/A1:2005 GAS SUPPLY SYSTEMS - GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE LINES - FUNCTIONAL REQUIREMENTS
    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 15970:2008 Natural gas Measurement of properties Volumetric properties: density, pressure, temperature and compression factor
    EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
    EN 437:2003+A1:2009 TEST GASES - TEST PRESSURES - APPLIANCE CATEGORIES
    EN ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS (ISO 9001:2015)
    ISO 9004:2009 Managing for the sustained success of an organization A quality management approach
    ISO 13443:1996 Natural gas Standard reference conditions
    ISO/TR 9464:2008 Guidelines for the use of ISO 5167:2003
    EN ISO 12213-3:2009 NATURAL GAS - CALCULATION OF COMPRESSION FACTOR - PART 3: CALCULATION USING PHYSICAL PROPERTIES (ISO 12213-3:2006)
    ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
    EN 334:2005+A1:2009 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
    ISO 10012:2003 Measurement management systems — Requirements for measurement processes and measuring equipment
    IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
    ISO 10790:2015 Measurement of fluid flow in closed conduits Guidance to the selection, installation and use of Coriolis flowmeters (mass flow, density and volume flow measurements)
    EN ISO 6141:2015 GAS ANALYSIS - CONTENTS OF CERTIFICATES FOR CALIBRATION GAS MIXTURES (ISO 6141:2015)
    ISO 9001:2015 Quality management systems - Requirements
    EN 1359:2017 (edition 2) Gas meters - Diaphragm gas meters
    EN ISO 6975 : 2005 NATURAL GAS - EXTENDED ANALYSIS - GAS-CHROMATOGRAPHIC METHOD
    EN 12007-2:2012 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 2: SPECIFIC FUNCTIONAL REQUIREMENTS FOR POLYETHYLENE (MOP UP TO AND INCLUDING 10 BAR)
    OIML R 137-1 & 2 : 2012 AMD 2014 GAS METERS - PART 1: METROLOGICAL AND TECHNICAL REQUIREMENTS; PART 2: METROLOGICAL CONTROLS AND PERFORMANCE TESTS
    EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
    ISO 12213-1:2006 Natural gas Calculation of compression factor Part 1: Introduction and guidelines
    ISO 9000:2015 Quality management systems Fundamentals and vocabulary
    CEN/CLC/ETSI/TR 50572 : 2011 FUNCTIONAL REFERENCE ARCHITECTURE FOR COMMUNICATIONS IN SMART METERING SYSTEMS
    ISO 15112:2011 Natural gas Energy determination
    EN 60079-17:2014 Explosive atmospheres - Part 17: Electrical installations inspection and maintenance
    ISO 6142-1:2015 Gas analysis Preparation of calibration gas mixtures Part 1: Gravimetric method for Class I mixtures
    EN 12007-4:2012 GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 4: SPECIFIC FUNCTIONAL REQUIREMENTS FOR RENOVATION
    ISO 17089-1:2010 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas Part 1: Meters for custody transfer and allocation measurement
    EN ISO 6976:2016 NATURAL GAS - CALCULATION OF CALORIFIC VALUES, DENSITY, RELATIVE DENSITY AND WOBBE INDICES FROM COMPOSITION (ISO 6976:2016)
    EN ISO 10715 : 2000 Natural gas - Sampling guidelines (ISO 10715:1997)
    EN ISO 12213-2:2009 NATURAL GAS - CALCULATION OF COMPRESSION FACTOR - PART 2: CALCULATION USING MOLAR-COMPOSITION ANALYSIS
    ISO/TR 12764:1997 Measurement of fluid flow in closed conduits Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full
    ISO 2186:2007 Fluid flow in closed conduits Connections for pressure signal transmissions between primary and secondary elements
    EN ISO 12213-1:2009 NATURAL GAS - CALCULATION OF COMPRESSION FACTOR - PART 1: INTRODUCTION AND GUIDELINES
    ISO 6141:2015 Gas analysis Contents of certificates for calibration gas mixtures
    ISO 12213-2:2006 Natural gas Calculation of compression factor Part 2: Calculation using molar-composition analysis
    EN 12405-2 : 2012 GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    OIML R 140 : 2007 MEASURING SYSTEMS FOR GASEOUS FUEL
    EN 14236 : 2007 ULTRASONIC DOMESTIC GAS METERS
    ISO 4006:1991 Measurement of fluid flow in closed conduits Vocabulary and symbols
    EN ISO 9000 : 2015 QUALITY MANAGEMENT SYSTEMS - FUNDAMENTALS AND VOCABULARY (ISO 9000:2015)
    EN ISO 15970 : 2014 NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR (ISO 15970:2008)
    EN 16314 : 2013 GAS METERS - ADDITIONAL FUNCTIONALITIES
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
    EN ISO 10723:2012 NATURAL GAS - PERFORMANCE EVALUATION FOR ANALYTICAL SYSTEMS (ISO 10723:2012)
    EN 12186:2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
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