I.S. EN ISO 12759-4:2019
Current
The latest, up-to-date edition.
Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed (ISO 12759-4:2019)
Hardcopy , PDF
English
16-12-2019
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.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 General information
6 Ratings
Annex A (normative) Examples of applying efficiency lines to driven fans
Annex B (informative) Compensation factors
Annex C (informative) The variation of fan performance between installation categories
Annex D (informative) Selection of fans for best efficiency
Annex E (informative) Explanatory note
Bibliography
This document establishes a system for the classification of fan efficiency for all fan types driven by motors of nominal rating 0,125 kW and above.
| Committee |
TC 117
|
| DocumentType |
Standard
|
| Pages |
42
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
THIS STANDARD ALSO REFERS TO ISO 12759-5, ISO 12759-6 |
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN ISO 12759-4:2019 | Identical |
| ISO 12759-4:2019 | Identical |
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