UNE 53008-1:2014 Plastics piping systems. Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa). Part 1: Specifications for pipes, fittings and the system
2014UNE 53008-1:2014 Plastics piping systems. Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa). Part 1: Specifications for pipes, fittings and the system