NEN EN 12279 : 2000 AMD 1 2005
Current
The latest, up-to-date edition.
GAS SUPPLY SYSTEMS - GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE LINES - FUNCTIONAL REQUIREMENTS
01-12-2013
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. Operation and maintenance
Annex A (normative) Locations of gas pressure regulating
installations
Annex B (informative) Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.