Engineering

prEN ISO 18489 - Thermoplastic materials for piping systems - Determination of resistance to slow crack growth under cyclic loading - Cracked Round Bar (CRB) test method (ISO/DIS 18489:2025)
Categories: Pipelines
Committee: CEN/TC 155 (Plastics piping systems and ducting systems)
Origin: CEN
Close date: 10 Dec 2025
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ISO/DIS 23340 - Railway applications — Windscreens for trains
Categories: Railway rolling stock
Committee: ISO/TC 269/SC 2 (Rolling stock)
Origin: ISO
Close date: 11 Dec 2025
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ISO/DIS 27327-1 - Fans — Air curtain units — Part 1: Laboratory methods of testing for aerodynamic performance rating
Categories: Ventilators. Fans. Air-conditioners
Committee: ISO/TC 117 (Fans)
Origin: ISO
Close date: 11 Dec 2025
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prEN 13157 - Cranes - Safety - Hand powered cranes
Categories: Lifting equipment
Committee: CEN/TC 147 (Cranes - Safety)
Origin: CEN
Close date: 11 Dec 2025
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prEN 4434 - Aerospace series - Copper or copper alloy lightweight conductors for electrical cables - Product standard (Normal and tight tolerances)
Categories: Aerospace electric equipment and systems
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 11 Dec 2025
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prEN IEC 60115-4-10:2025 - Fixed resistors for use in electronic equipment - Part 4-10: Blank detail specification: Power resistors with axial leads for through-hole assembly on circuit boards (THT), for general electronic equipment, classification level G
Categories: Resistors
Committee: CLC/TC 40XB (Resistors)
Origin: CENELEC
Close date: 12 Dec 2025
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prEN IEC 60115-4-10:2025/prAA:2025 - Fixed resistors for use in electronic equipment - Part 4-10: Blank detail specification: Power resistors with axial leads for through-hole assembly on circuit boards (THT), for general electronic equipment, classification level G
Categories: Resistors
Committee: CLC/TC 40XB (Resistors)
Origin: CENELEC
Close date: 12 Dec 2025
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IEC 62241 ED2 - Nuclear power plants - Human-machine interfaces - Alarm functions and presentation
Categories: Nuclear energy engineering
Committee: TC 45/SC 45A (error)
Origin: IEC
Close date: 12 Dec 2025
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IEC 62906-5-8 ED1 - Laser displays - Part 5-8: Measurement of scanning characteristics for raster-scanning laser display
Categories: Optoelectronics. Laser equipment
Committee: TC 110 (error)
Origin: IEC
Close date: 12 Dec 2025
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ISO/DIS 18869 - Hydraulic fluid power — Test methods for couplings actuated with or without tools
Categories: Fluid power systems
Committee: ISO/TC 131/SC 4 (Connectors and similar products and components)
Origin: ISO
Close date: 15 Dec 2025
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prEN 295-8 - Vitrified clay pipe systems for drains and sewers - Part 8: Requirements for the use of vitrified clay components in the rehabilitation of drainage systems and conditions for the application of methods for rehabilitation in existing drainage systems
Categories: Pipelines
Committee: CEN/TC 165 (Waste water engineering)
Origin: CEN
Close date: 18 Dec 2025
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ISO 24221:2024/DAmd 1 - Railway applications — Braking system — General requirements — Amendment 1
Categories: Railway rolling stock
Committee: ISO/TC 269/SC 2 (Rolling stock)
Origin: ISO
Close date: 18 Dec 2025
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prEN IEC 61439-6:2025 - Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways)
Categories: Switchgear and controlgear
Committee: CLC/SR 121B (Low-voltage switchgear and controlgear assemblies)
Origin: CENELEC
Close date: 19 Dec 2025
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IEC 60951-2 ED3 - Nuclear facilities - Instrumentation systems important to safety - Radiation monitoring for accident and post-accident conditions - Part 2: Equipment for continuous off-line monitoring of radioactivity in gaseous effluents and ventilation air
Categories: Nuclear energy engineering
Committee: TC 45/SC 45A (error)
Origin: IEC
Close date: 19 Dec 2025
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IEC 60951-4 ED3 - Nuclear facilities - Instrumentation systems important to safety - Radiation monitoring for accident and post-accident conditions - Part 4: Equipment for continuous in-line or on-line monitoring of radioactivity in process streams
Categories: Nuclear energy engineering
Committee: TC 45/SC 45A (error)
Origin: IEC
Close date: 19 Dec 2025
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IEC 61439-6 ED2 - Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways)
Categories: Switchgear and controlgear
Committee: TC 121/SC 121B (error)
Origin: IEC
Close date: 19 Dec 2025
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ISO/DIS 25164 - Physical vapor deposition coatings — Magnetron sputtering deposition of TiAlSiN thin films — Specification
Categories: Surface treatment and coating
Committee: ISO/TC 107/SC 9 (Physical vapor deposition coatings)
Origin: ISO
Close date: 19 Dec 2025
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EN ISO 22074-4:2022/prA1:2025 - Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to repeated loading - Amendment 1 (ISO 22074-4:2022/DAmd1:2025)
Categories: Rails and railway components
Committee: CEN/TC 256 (Railway applications)
Origin: CEN
Close date: 23 Dec 2025
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ISO 22074-4:2022/DAmd 1 - Railway infrastructure — Rail fastening systems — Part 4: Test methods for resistance to repeated loading — Amendment 1
Categories: Rails and railway components
Committee: ISO/TC 269/SC 1 (Infrastructure)
Origin: ISO
Close date: 23 Dec 2025
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ISO/DIS 5878 - Reference atmospheres for aerospace use — Temperature profiles, wind characteristics and humidity models
Categories: Aircraft and space vehicles. General
Committee: ISO/TC 20/SC 6 (Standard atmosphere)
Origin: ISO
Close date: 24 Dec 2025
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