For gas or water supply networks, installed underground. -Material: PE100, SDR 11 (ISO S5). -10 bar gas / 16 bar water (calculated for 20°C) -Complies with EN 1555-1:2011, ISO 4427-3, ISO 4437-3 -Dimensions according to EN 12201-3:2011+A1:2012, EN 1555-3:2010+A1:2012 -Manufacturing method: injection molding -The electrofusion fitting’s resistance is embedded in the material -The internal surfaces of the fittings are smooth, without striations -Welding temperature between -10°C and +45°C -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.