NF E51-101-4*NF EN ISO 12759-4:2019
Fans - Efficiency classification for fans - Part 4 : driven fans at maximum operating speed

Standard No.

NF E51-101-4*NF EN ISO 12759-4:2019

Release Date

2019

Published By

Association Francaise de Normalisation

Latest

NF E51-101-4*NF EN ISO 12759-4:2019

NF E51-101-4*NF EN ISO 12759-4:2019 history

• 2019 NF E51-101-4*NF EN ISO 12759-4:2019 Fans - Efficiency classification for fans - Part 4 : driven fans at maximum operating speed