These are used for constructing water supply networks with a nominal pressure of 10 bar (calculated for a temperature of 20°C), installed underground. Manufactured by injection molding from PE100, with the electrofusion fitting’s resistance embedded in the material, corresponding to SDR 17 (ISO S8) dimensions, in accordance with EN 12201-3:2011+A1:2012 and EN 1555-3:2010+A1:2012. Welding voltage 40 V. 4 mm connectors. Welding indicators with limited displacement. Welding must be performed by authorized welders using appropriate equipment and adhering to the welding procedure.