|
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 I 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 (ISO 13443:1996 including Corrigendum 1:1997) |
|
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 |
|
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 |
|
EN 24006:1993
|
Measurement of fluid flow in closed conduits - Vocabulary and symbols (ISO 4006:1991) |
|
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 |
|
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
|
Gas meters - Diaphragm gas meters |
|
EN ISO 6975:2005
|
Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997) |
|
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 12213-2:2006) |
|
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 12213-1:2006) |
|
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 |