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EN IEC 60645-6:2022/prA1:2025 - Amendment 1 - Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions
Categories: Measurement. Acoustics
Committee: CLC/SR 29 (Electroacoustics)
Origin: CENELEC
Close date: 20 Feb 2026
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EN IEC 61800-5-1:2023/prA1:2025 - Amendment 1 - Adjustable speed electrical power drive systems - Part 5-1: Safety requirements - Electrical, thermal and energy
Categories:
Committee: CLC/TC 22X (Power electronics)
Origin: CENELEC
Close date: 20 Feb 2026
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EN IEC 62788-2-1:2023/prA1:2025 - Amendment 1 - Measurement procedures for materials used in photovoltaic modules - Part 2-1: Polymeric materials - Frontsheet and backsheet - Safety requirements
Categories: Solar energy engineering
Committee: CLC/TC 82 (Solar photovoltaic energy systems)
Origin: CENELEC
Close date: 20 Feb 2026
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ISO/DIS 15500-21 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 21: Discharge line closures
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 20 Feb 2026
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ISO/DIS 15500-1 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 1: General requirements and definitions
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-10 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 10: Gas-flow adjuster
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-11 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 11: Gas/air mixer
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-12 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 12: Pressure relief valve (PRV)
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-13 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 13: Pressure relief device (PRD)
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-14 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 14: Excess flow valve
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-15 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 15: Gas-tight housing and ventilation hose
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-16 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 16: Rigid fuel line in stainless steel
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-17 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 17: Flexible fuel line
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-18 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 18: Filter
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-19 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 19: Fittings
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-2 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 2: Performance and general test methods
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-20 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 20: Rigid fuel line in material other than stainless steel
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-3 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 3: Check valve
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-4 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 4: Manual valve
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-5 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 5: Manual cylinder valve
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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