Valves for natural gas transportation in pipelines. Performance requirements and tests Ingestion-build-54484 BS EN ISO 4254-1:2015 supersedes

BS EN ISO 4254-1:2015 supersedes BS EN ISO 4254-1:2013

relevant national standards

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Valves for natural gas transportation in pipelines. Performance requirements and tests Ingestion-build-54484 BS EN ISO 4254-1:2015 supersedes1 Scope This European Standard applies to all valves (plug, ball, gate and check valves) used in onshore transmission pipelines for transport of natural gas in accordance with EN 1594, but with a differing temperature range according to the following three classes in accordance with EN 682: 1) 10 C to 60 C; 2) 20 C to 60 C; 3) the range stated by the purchaser for special design. This European Standard comprises all valves which are components of the