EN 15632-1:2014 District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification, general requirements and test methods (Incorporates Amendment A1: 2014)
2014EN 15632-1:2014+A1:2014 District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification, general requirements and test methods
2014EN 15632-1:2014 District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification, general requirements and test methods (Incorporates Amendment A1: 2014)
2009EN 15632-1:2009 District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification, general requirements and test methods