KSISO/TS22391-7:2011

Plastics piping systems for hot and cold water installations-Polyethylene of raised temperature resistance (PE-RT)-Part 7:Guidance for the assessment of conformity.

Gives guidance on the assessment of conformity of products and assemblies in accordance with other applicable part(s) of ISO 22391 intended to be included in the manufacturer's quality plan as part of the quality management system and for the estab