For gas or water supply networks, installed underground. – Material: PE100, SDR 11 (ISO S5). – 10 bar gas / 16 bar water (calculated at 20°C). – Complies with EN 1555-1:2011, ISO 4427-3, ISO 4437-3. – Dimensions conform 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 fittings’ internal surfaces are smooth, without striations. – Welding temperature: -10°C to +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.