Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 018: Protective cover for 1, 2 and 4 module receptacles series 2 and 3 - Product standard

Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 018: Protective cover for 1, 2 and 4 module receptacles, series 2 and 3 - Product standard; English version prEN 4165-018:2024

IEC 61753-071-2/Ed1: Fibre optic interconnecting devices and passive components - Performance standard - Part 071-2: Non-connectorised single-mode fibre optic 1×2 and 2×2 spatial switches for category C - Controlled environments

Fibre optic interconnecting devices and passive components - Performance standard - Part 071-02: Non-connectorized single-mode fibre optic 1×2 and 2×2 spatial switches for category C - Controlled environments (IEC 61753-071-02:2020/AMD1:2024); German version EN IEC 61753-071-02:2020/A1:2024

Pneumatic fluid power - Determination of flow-rate characteristics of components using compressible fluids - Part 1: General rules and test methods for steady-state flow - Amendment 2: Annex C - Evaluation of measurement uncertainty

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria

Railway applications - Infrastructure- Noise barriers and related devices acting on airborne sound propagation - Non-acoustic performance - Part 2-1: Mechanical performance under dynamic loadings due to passing trains - Resistance to fatigue

Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Non-acoustic performance - Part 2-1: Mechanical performance under dynamic loadings due to passing trains - Resistance to fatigue; German and English version prEN 16727-2-1:2025

Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 216: Heat-shrinkable, flame-retarded, limited-fire-hazard sleeving

Eurocode 3: Design of steel structures - Part 4-2: Tanks; German version EN 1993-4-2:2007 + AC:2009 + A1:2017