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ISO 12759-4:2019/DAmd 1

Fans — Efficiency classification for fans — Part 4: Driven fans at maximum operating speed — Amendment 1: Addition of Annex F providing an example of the use of efficiency classification and editorial changes

General information

40.20     Feb 16, 2026

ISO

ISO/TC 117

International Standard

23.120  

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Life cycle

PREVIOUSLY

PUBLISHED
ISO 12759-4:2019

NOW

PROJECT
ISO 12759-4:2019/DAmd 1
40.20 DIS ballot initiated: 12 weeks
Feb 16, 2026

National adoptions

naSRPS EN ISO 12759-4:2019/prA1:2025  
ISS

Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed - Amendment 1: Addition of Annex F providing an example of the use of efficiency classification and editorial changes (ISO 12759-4:2019/DAM 1:2026)

40.20   DIS ballot initiated: 12 weeks

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