Used for building water supply networks with a nominal water pressure of 10 bar, calculated at 20°C, installed buried in the ground. Manufactured by injection molding in PE100 molds, with the electrofusion fitting resistance embedded in the material, with dimensions corresponding to SDR 17 (ISO S8), 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 travel. Detachable central stop. Welding must be carried out by authorized welders using appropriate equipment and in compliance with the welding procedure.