UNI EN ISO 15970 : 2014
Current
The latest, up-to-date edition.
NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR
24-04-2014
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Density at reference conditions
6 Density at operating conditions
7 Pressure
8 Temperature
9 Compression factor
Annex A (informative) - Guidance for instrument
selection, instrument test and operational
procedures
Annex B (informative) - Instrument documentation
Bibliography
Provides requirements and procedures for the measurement of the properties of natural gas that are used mainly for volume calculation and volume conversion: density at reference and at operating conditions, pressure, temperature and compression factor.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| EN ISO 15970:2014 | Identical |
| ISO 15970:2008 | Identical |
| IEC 60079-1:2014 RLV | Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d" |
| ISO 10715:1997 | Natural gas — Sampling guidelines |
| IEC 60381-1:1982 | Analogue signals for process control systems. Part 1: Direct current signals |
| ISO 6976:2016 | Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition |
| ISO 12213-3:2006 | Natural gas Calculation of compression factor Part 3: Calculation using physical properties |
| IEC 60770-2:2010 | Transmitters for use in industrial-process control systems - Part 2: Methods for inspection and routine testing |
| IEC 60079-11:2011 | Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i" |
| ISO 14532:2014 | Natural gas — Vocabulary |
| ISO/TR 9464:2008 | Guidelines for the use of ISO 5167:2003 |
| 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 |
| IEC 60079-0:2011 | Explosive atmospheres - Part 0: Equipment - General requirements |
| IEC 60751:2008 | Industrial platinum resistance thermometers and platinum temperature sensors |
| IEC 60079-14:2013 | Explosive atmospheres - Part 14: Electrical installations design, selection and erection |
| ISO 12213-1:2006 | Natural gas Calculation of compression factor Part 1: Introduction and guidelines |
| IEC 60381-2:1978 | Analogue signals for process control systems. Part 2: Direct voltage signals |
| ISO 2186:2007 | Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements |
| ISO 12213-2:2006 | Natural gas Calculation of compression factor Part 2: Calculation using molar-composition analysis |
| ISO 4006:1991 | Measurement of fluid flow in closed conduits — Vocabulary and symbols |
| IEC 60079-15:2010 | Explosive atmospheres - Part 15: Equipment protection by type of protection "n" |
| EN 1776:2015 | Gas infrastructure - Gas measuring systems - Functional requirements |
| IEC 60770-1:2010 | Transmitters for use in industrial-process control systems - Part 1: Methods for performance evaluation |
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