Draft Details
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)
Number:EN ISO 12759-4:2019/prA1
Committee:CEN/TC 156
Review end date:13 Apr 2026