NBN EN 1057:2006

This European Standard specifies the requirements, composition, properties, sampling, test methods and
conditions of delivery for seamless round copper tubes.
It is applicable to tubes having an outside diameter from 6 mm up to and including 267 mm for:
- distributing networks for hot water and cold water;
- hot water heating systems, including panel heating systems (under-floor, wall, overhead);
- domestic gas and liquid fuel distribution;
- waste water sanitation.
It is also applicable to seamless round copper tubes intended to be pre insulated before use for any of the above purposes.