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EN 1594:2009

Gas supply systems - Pipelines for maximum operating pressure over 16 bar - Functional requirements

Oct 30, 2009

General information

99.60 Withdrawal effective   Sep 11, 2013

CEN

CEN/TC 234 Gas infrastructure

European Norm

23.040.01   Pipeline components and pipelines in general | 75.200   Petroleum products and natural gas handling equipment

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Scope

This European Standard is applicable to pipelines with a maximum operating pressure (MOP) over 16 bar for the carriage of processed, non-toxic and non-corrosive natural gas according to EN ISO 13686 in onland gas supply systems, where:
pipeline elements are made of unalloyed or low-alloyed carbon steel;
pipeline elements are joined by welds, flanges or mechanical couplings;
the pipeline is not located within commercial or industrial premises as an integral part of the industrial process on these premises except for any pipelines and facilities supplying such premises;
the design temperature of the system is between -40 °C and 120 °C inclusive;
The standard apply to onshore pipeline systems from the point where the pipeline first crosses what is normally accepted as battery limit between on and offshore, e.g.:
- first isolation valve;
- the base of steep sea shelf;
- above the high water/low water mark onto mainland;
- an island.
The pipeline standard also applies to a pipeline system with a starting point onshore, also when parts of the pipeline system on the mainland subsequently cross fjords, lakes etc.
This European Standard does not apply to existing pipelines, in use prior to the publication of this European Standard, nor to modifications to existing pipelines.
Gas supply systems covered by this European Standard begin after the gas producer's metering station. The functional demarcation of the pipeline system within a plant area will be determined from case to case. Generally speaking, this will be directly after the first isolating valve of the installation.
This standard also describes the mechanical requirements for pipework in stations with a maximum operating pressure greater than 16 bar. Welding requirements are described in a special application standard on welding for gas supply systems EN 12732.

Life cycle

PREVIOUSLY

Replaces
EN 1594:2000

NOW


EN 1594:2009
99.60 Withdrawal effective
Sep 11, 2013

REVISED BY

PUBLISHED
EN 1594:2013