Gas supply systems - Pipelines for maximum operating pressure up to and including 16 bar - Part 4: Specific functional recommendations for renovation
This European standard describes specific functional recommendations for the renovation of pipeworks existing in gas supply systems and includes some requirements for materials other than plastics covered by CEN/ TC 155 " Plastics piping and ducting systems" . This European standard is intended to be applied in association with prEN 12007-1. This European Standard does not apply to pipework in above ground installations.
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