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BS EN 12279:2000

Current

Current

The latest, up-to-date edition.

Gas supply systems. Gas pressure regulating installations on service lines. Functional requirements

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2006

Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
   3.1 General
   3.2 Installation
   3.3 Pressure, design and testing
   3.4 Pressure regulating and safety system
4 Quality assurance
   4.1 General
   4.2 Quality assurance during design, construction,
       operation and maintenance
5 Layout of the gas pressure regulating installation
   5.1 General
   5.2 Location of the gas pressure regulating
       installation
   5.3 Security of the gas pressure regulating
       installation
6 Requirements for housings
   6.1 General
   6.2 Specific requirements for maximum upstream operating
       pressures greater than 5 bar
7 Design of the gas pressure regulating installation
   7.1 General
   7.2 Filtration
   7.3 Noise control
   7.4 Apertures and vent lines
   7.5 Electrical installation
   7.6 Equipotential bonding
   7.7 Corrosion protection
   7.8 Pipework
   7.9 Instrumentation pipework
   7.10 Design pressure
   7.11 Design factor
   7.12 Inlet and outlet valves
8 Pressure regulating and safety system
   8.1 Pressure regulating system
   8.2 Pressure safety systems
   8.3 Bypass
9 Testing
   9.1 General
   9.2 Strength or combined test
   9.3 Tightness test
10 Commissioning
11 Reporting and documentation
12 Maintenance
Annex A (normative) Locations of gas pressure regulating
        installations
Annex B (informative) Bibliography

Contains functional requirement that are relevant for gas pressure regulating installation forming a part of the service lines in gas supply systems. Applicable to the design, construction, materials, testing, operation and maintenance of gas pressure regulating installations which form a part of the service line for the supply of residential, high rise, public access, commercial and mixed use buildings (see EN 1775) and for which the maximum upstream operating pressure is equal to or less than 16 bar and the design flow rate is equal to or less than 200 m[3]/h (normal m[3]/h).

Committee
GSE/33
DevelopmentNote
Supersedes 96/700508 DC. (08/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

This European Standard contains the relevant functional requirements for gas pressure regulating installations forming a part of the service lines in gas supply systems. It is applicable to the design, materials, construction, testing, operation and maintenance of gas pressure regulating installations which form a part of the service line for the supply of residential, high rise, public access, commercial and mixed use buildings (see EN 1775) and for which the maximum upstream operating pressure is equal to or less than 16 bar and the design flow rate is equal to or less than 200 m3/h (normal m3/h).

This European Standard does not apply to gas pressure regulating installations commissioned prior to the publication of this standard.

Basic system requirements for gas pressure regulating installations are contained in this European Standard. Requirements for individual components (valves, regulators, safety devices, pipes, etc.) or installation of the components, are contained in the appropriate European Standards.

For gas pressure regulating installations forming a part of service lines with design flow rates of more than 200 m3/h (normal m3/h) or for a maximum upstream operating pressure of more than 16 bar, EN 12186 applies.

The requirements of this European Standard are based on good gas engineering practice under conditions normally encountered in the gas industry. Requirements for unusual conditions cannot be specifically provided for, nor are all engineering and construction details prescribed.

The requirements of this European Standard are based on the physical and chemical data of gaseous fuels in accordance with Table 1 of EN 437:1993 for first and second family gases. For gaseous fuels heavier than air additional considerations may be necessary.

The objective of this European Standard is to ensure the safe operation of such systems. This does not, however, relieve all concerned of the responsibility for taking the necessary care and applying effective quality management during the design, construction and operation.

This European Standard specifies common basic principles for gas supply systems. Users of this European Standard should be aware that more detailed national standards and/or codes of practice can exist in the CEN member countries.

This European Standard is intended to be applied in association with these national standards and/or codes of practice setting out the above mentioned principles.

In the event of conflicts in terms of more restrictive requirements in national legislation/regulation with the requirements of this standard, the national legislation/regulation shall take precedence.

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EN 12327:2012 Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements
IEC 60079-10:2002 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
EN 1775:2007 Gas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendations
EN 12007-1:2012 Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 1: General functional requirements
EN ISO 9002:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR PRODUCTION AND INSTALLATION
EN ISO 9003:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR FINAL INSPECTION AND TEST
EN ISO 9000-1 : 1994 QUALITY MANAGEMENT AND QUALITY ASSURANCE STANDARDS - PART 1: GUIDELINES FOR SELECTION AND USE (ISO 9000-1:1994)
EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
EN ISO 9004-1 : 1994 QUALITY SYSTEMS - PRINCIPAL CONCEPTS AND APPLICATIONS - GUIDE TO QUALITY MANAGEMENT AND QUALITY SYSTEM ELEMENTS
EN 334:2005+A1:2009 Gas pressure regulators for inlet pressures up to 100 bar
EN 124:1994 Gully tops and manhole tops for vehicular and pedestrian areas - Design requirements, type testing, marking, quality control
EN 60079-10:2003 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
EN 12186:2014 Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements

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