Engineering

ISO/DIS 24491 - Railway applications — Passenger seats for main line rolling stock
Categories: Railway rolling stock
Committee: ISO/TC 269/SC 2 (Rolling stock)
Origin: ISO
Close date: 02 Apr 2026
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ISO/DIS 8406 - Tools for pressing and moulding — Round locating elements and spacers
Categories: Chipless working equipment
Committee: ISO/TC 29/SC 8 (Tools for pressing and moulding)
Origin: ISO
Close date: 02 Apr 2026
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prEN 3155-002 - Aerospace series - Electrical contacts used in elements of connection - Part 002: List and utilization of contacts
Categories: Aerospace electric equipment and systems
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 02 Apr 2026
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prEN 3523 - Aerospace series - Steel 15CrMoV6 (1.7334) - Air melted - Hardened and tempered - Bars for machining - De ≤ 100 mm - 1 080 MPa ≤ Rm ≤ 1 280 MPas
Categories: Aerospace construction materials
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 02 Apr 2026
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prEN IEC 61225:2026 - Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems
Categories: Nuclear energy engineering
Committee: CLC/TC 45AX ("Instrumentation)
Origin: CENELEC
Close date: 03 Apr 2026
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prEN 50583-1:2026 - Photovoltaics in buildings - Part 1: BIPV modules
Categories: Solar energy engineering
Committee: CLC/TC 82 (Solar photovoltaic energy systems)
Origin: CENELEC
Close date: 03 Apr 2026
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IEC 60034-14 ED5 - Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
Categories: Rotating machinery
Committee: TC 2 (error)
Origin: IEC
Close date: 03 Apr 2026
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IEC 63147 ED2 - Standard criteria for accident monitoring instrumentation for nuclear power generating stations
Categories: Nuclear energy engineering
Committee: TC 45/SC 45A (error)
Origin: IEC
Close date: 03 Apr 2026
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IEC/IEEE 62671 ED2 - Nuclear power plants - Instrumentation and control important to safety - Selection and use of industrial digital devices of limited functionality
Categories: Nuclear energy engineering
Committee: TC 45/SC 45A (error)
Origin: IEC
Close date: 03 Apr 2026
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prEN IEC 60034-14:2026 - Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
Categories: Rotating machinery
Committee: CLC/TC 2 (Rotating machinery)
Origin: CENELEC
Close date: 03 Apr 2026
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prEN ISO 17779 - Brazing - Specification and qualification of brazing procedures for metallic materials (ISO/DIS 17779:2026)
Categories: Welding, brazing and soldering
Committee: CEN/TC 121 (Welding and allied processes)
Origin: CEN
Close date: 07 Apr 2026
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ISO/DIS 13585 - Brazing — Qualification testing of brazers and brazing operators
Categories: Welding, brazing and soldering
Committee: ISO/TC 44/SC 11 (Qualification requirements for welding and allied processes personnel)
Origin: ISO
Close date: 07 Apr 2026
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ISO/DIS 17779 - Brazing — Specification and qualification of brazing procedures for metallic materials
Categories: Welding, brazing and soldering
Committee: ISO/TC 44/SC 11 (Qualification requirements for welding and allied processes personnel)
Origin: ISO
Close date: 07 Apr 2026
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ISO/DIS 11010-3 - Passenger cars — Simulation model classification — Part 3: Generation process of tyre model parameter sets
Categories: Passenger cars. Caravans and light trailers
Committee: ISO/TC 22/SC 33 (Vehicle dynamics and chassis components)
Origin: ISO
Close date: 08 Apr 2026
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ISO/DIS 23041 - Space systems — Mission definition and execution of space activities — Requirements for spacecraft owners
Categories: Space systems and operations
Committee: ISO/TC 20/SC 14 (Space systems and operations)
Origin: ISO
Close date: 08 Apr 2026
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prEN ISO 20650 - Inland navigation vessels - Small floating working machines - Requirements and test methods (ISO 20650:2025)
Categories: Inland navigation vessels
Committee: CEN/TC 15 (Inland navigation vessels)
Origin: CEN
Close date: 09 Apr 2026
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ISO/DIS 27468 - Nuclear criticality safety — Evaluation of systems containing PWR UOX fuels — Bounding burnup credit approach
Categories: Nuclear energy engineering
Committee: ISO/TC 85/SC 5 (Nuclear installations, processes and technologies)
Origin: ISO
Close date: 10 Apr 2026
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ISO/DIS 6624-1 - Internal combustion engines — Piston rings — Part 1: Keystone rings made of cast iron
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 34 (Propulsion, powertrain and powertrain fluids)
Origin: ISO
Close date: 10 Apr 2026
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ISO/DIS 6624-3 - Internal combustion engines — Piston rings — Part 3: Keystone rings made of steel
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 34 (Propulsion, powertrain and powertrain fluids)
Origin: ISO
Close date: 10 Apr 2026
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EN 50110-1:2023/prA1:2026 - Operation of electrical installations - Part 1: General requirements
Categories: Power transmission and distribution networks
Committee: CLC/BTTF 62-3 (Operation of electrical installations)
Origin: CENELEC
Close date: 10 Apr 2026
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