I.S. EN ISO 12759-5:2021
Current
The latest, up-to-date edition.
Fans - Efficiency classification for fans - Part 5: Jet fans (ISO 12759-5:2021)
Hardcopy , PDF
English
01-08-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Fan installation, efficiency and tolerance
5 Ratings
Annex A (informative) Calculation of jet fan efficiency
Annex B (informative) Determination of efficiency grade for a jet fan
Bibliography
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