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DIN
DIN EN 15502-2-1:2025-07
En Vigor
2025-07-01
Gas-fired central heating boilers - Part 2-1: Specific standard for type
C appliances and type B2, B3 and B5 appliances of a nominal heat input
not exceeding 1 000 kW; German version EN 15502-2-1:2022+A1:2023 +
AC:2024 / Note: This standard is part of the DVGW body of rules.*Applies
in conjunction with DIN EN 15502-1 (2024-08).
DIN
DIN EN ISO 24252/A11:2025-09
En Vigor
2025-09-01
Biogas systems - Non-household and non-gasification (ISO 24252:2021);
German version EN ISO 24252:2022/A11:2023
DIN
DIN 53298-1:2025-04
En Vigor
2025-04-01
Floor levelling compounds - Technical specification and installation -
Part 1: Cement and calcium sulphate-based floor levelling compounds
DIN
DIN EN 17975:2025-12
En Vigor
2025-12-01
Maintenance - Risk control processes of energies and fluids risks in
maintenance activities - Guidance; German version EN 17975:2025
