BS ISO 15970 : 2008

Superseded

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NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR

Available format(s)

Hardcopy , PDF

Superseded date

31-05-2014

Language(s)

English

Published date

01-01-2008

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 Terms and definitions for density at reference
      conditions
  3.2 Terms and definitions for density at operating
      conditions
  3.3 Terms and definitions for pressure
  3.4 Terms and definitions for temperature
  3.5 Terms and definitions for compression factor
4 Symbols and units
  4.1 Symbols and subscripts for density at reference
      conditions
  4.2 Symbols and subscripts for density at operating
      conditions
  4.3 Symbols and subscripts for compression factor
5 Density at reference conditions
  5.1 Principle of measurement
  5.2 Performance assessment and acceptance tests
  5.3 Sampling and installation guidelines
  5.4 Calibration
  5.5 Verification
  5.6 Maintenance
  5.7 Quality control
6 Density at operating conditions
  6.1 Principle of measurement
  6.2 Performance assessment and acceptance tests
  6.3 Sampling and installation guidelines
  6.4 Calibration
  6.5 Verification
  6.6 Maintenance
  6.7 Quality control
7 Pressure
  7.1 Principle of measurement
  7.2 Performance assessment and acceptance tests
  7.3 Sampling and installation guidelines
  7.4 Calibration
  7.5 Verification
  7.6 Maintenance
  7.7 Quality control
8 Temperature
  8.1 Principle of measurement
  8.2 Performance assessment and acceptance tests
  8.3 Installation guidelines
  8.4 Calibration
  8.5 Verification
  8.6 Maintenance
  8.7 Quality control
9 Compression factor
  9.1 Principle of measurement
  9.2 Working principle
  9.3 Performance assessment and acceptance tests
  9.4 Sampling and installation guidelines
  9.5 Calibration
  9.6 Verification
  9.7 Maintenance
  9.8 Quality control
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.

Committee	PTI/15
DevelopmentNote	Supersedes 06/30160085 DC. (10/2008) Renumbered and superseded by BS EN ISO 15970. (05/2014)
DocumentType	Standard
Pages	58
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 15970:2014
Supersedes	06/30160085 DC : 0

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