ISO 12759-4:2019/FDAmd 1

Fans — Efficiency classification for fans — Part 4: Driven fans at maximum operating speed — Amendment 1 ISO 12759-4:2019/FDAmd 1

Current stage: 50.00 Final text received or FDIS registered for formal approval Jul 14, 2026

Originator: ISO

Owner: ISO/TC 117 Fans

Type: International Standard

ICS: 23.120 Ventilators. Fans. Air-conditioners

IN_DEVELOPMENT
ISO 12759-4:2019/FDAmd 1
50.00 Final text received or FDIS registered for formal approval
Jul 14, 2026

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.

Google Play App Store Web Version