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  • BSI
    BS EN ISO 12759-4:2019 Fans. Efficiency classification for fans - Driven fans at maximum operating speed
    Edition: 2019
    $442.60
    / user per year

Description of BS EN ISO 12759-4:2019 2019

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.



Standard NumberBS EN ISO 12759-4:2019
TitleFans. Efficiency classification for fans - Driven fans at maximum operating speed
StatusDefinitive
Publication Date2019-12-06
ReplacesBS EN ISO 12759:2015
Identical National Standard OfISO 12759-4, EN ISO 12759-4
DescriptorsDirection of movement, Ventilators, Components, Cases, Designations, Position, Fire risks, Leak tests, Prime movers, Test pressure, Rotational motion, Classification systems, Vocabulary, Industrial, Codes, Fans, Mechanical transmission systems, Pressure, Thickness, Control devices
ICS23.120 Ventilators. Fans. Air-conditioners
CommitteeMCE/17
ISBN978 0 580 95407 8
PublisherBSI
Pages34

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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