2013EN 12201-2:2011+A1:2013 Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 2: Pipes
2011EN 12201-2:2011 Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 2: Pipes (Incorporates Amendment A1: 2013)
2003EN 12201-2:2003 Plastics piping systems for water supply - Polyethylene (PE) - Part 2: Pipes