DIN EN ISO 15875-3:2022 Plastic piping systems for hot and cold water installations – Cross-linked polyethylene (PE-X) – Part 3: Fittings (ISO 15875-3:2003 + Amd 1:2020 + Amd 2:2021)
2021DIN EN ISO 15875-3:2021 Plastics piping systems for hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 3: Fittings (ISO 15875-3:2003 + Amd 1:2020); German and English version EN ISO 15875-3:2003 + A1:2020