These fittings are utilized in the construction of natural gas networks and drinking water supply systems, fabricated from high-density polyethylene pipes with SDR 11 thicknesses, compliant with EN 12201-3:2011+A1:2012 and EN 1555-3:2010+A1:2012. Manufactured by injection molding from PE100, the electrofusion fitting’s resistance is embedded in the material with dimensions corresponding to SDR 11 (ISO S8), in accordance with EN 12201-3:2011+A1:2012 and EN 1555-3:2010+A1:2012. Welding voltage: 40 V. Connectors: 4 mm. Welding indicators with limited displacement. Integrated pipe clamping system. Welding must be performed by authorized welders using appropriate equipment and adhering to the specified welding procedure.