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DIN
DIN 20453-1:1988-10
En Vigor
2026-06-01
Switches for simple underground track points with loose heel switch; 20
m radius, 1 : 5 inclination, 600 mm gauge
DIN
DIN EN 13476-2:2020-12
En Vigor
2026-06-01
Plastics piping systems for non-pressure underground drainage and
sewerage - Structured-wall piping systems of unplasticized poly(vinyl
chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 2:
Specifications for pipes and fittings with smooth internal and external
surface and the system, Type A; German version EN 13476-2:2018+A1:2020
DIN
DIN EN ISO 3506-4:2024-01
En Vigor
2026-06-01
Fasteners - Mechanical properties of corrosion resistant stainless steel
fasteners - Part 4: Tapping screws with specified grades and hardness
classes (ISO/DIS 3506-4:2023); German and English version prEN ISO
3506-4:2023 / Note: Date of issue 2023-11-24
DIN
DIN EN ISO 23695:2025-08
En Vigor
2026-06-01
Water quality - Determination of ammonium nitrogen in water -
Small-scale sealed tube method (ISO 23695:2023); German and English
version prEN ISO 23695:2025 / Note: Date of issue 2025-07-11
