CEN/TS 15174:2006

This Technical Specification is applicable to pipelines for the transmission of processed, non-toxic and noncorrosive natural gas according to ISO 13686 in on land gas supply systems, where: - the pipeline elements are made of unalloyed or low-alloyed carbon steel; - the 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.