BAS EN 12735-2:2026

This document specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth or inner finned, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment. It is applicable to tubes with an outside diameter from 3,97 mm up to and including 219 mm. NOTE The tubes are supplied in straight length or as coils.