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ISO 12759-4:2019

Current Revision

Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed

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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. It applies to driven fans only, but not to the system (finished original equipment manufacturer's product, for example box fans and roof fans or ventilation system) in which they might be installed. This document describes a number of different procedures to classify the efficiency of a fan or to apply a minimum efficiency limit (MEL). Those procedures are described in:

— ISO 12759-3;

— this document (ISO 12759-4);

— ISO 12759-5;

— ISO 12759-6.

There is no method described to compare these classifications and MEL's.


SDO ISO: International Organization for Standardization
Document Number ISO 12759
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 117
Publish Date Document Id Type View
Not Available ISO 12759-4:2019 Revision