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Homepage>CSN Standards>12 VENTILATION ENGINEERING>1220 Fans and blowers>CSN EN ISO 12759-4 - Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed
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Released: 01.06.2020
CSN EN ISO 12759-4 - Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed

CSN EN ISO 12759-4

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

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Number of Standard:CSN EN ISO 12759-4
Category:122004
Pages:40
Released:01.06.2020
Catalog number:509687
DESCRIPTION

CSN EN ISO 12759-4

CSN EN ISO 12759-4 (12 2004) 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.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.