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EN ISO 12759-4:2019/FprA1:2026

Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed - Amendment 1 (ISO 12759-4:2019/FDAmd1:2026)

Publication date:   Oct 15, 2026

General information

50.20   Proof sent to secretariat or FDIS ballot initiated: 8 weeks   Oct 15, 2026

CEN

CEN/TC 156 Ventilation for buildings

European Norm

23.120   Ventilators. Fans. Air-conditioners

Buying

  Draft

PDF - €9.49

  English  



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Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 12759-4:2019

NOW

IN_DEVELOPMENT
EN ISO 12759-4:2019/FprA1:2026
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 15, 2026