EN 779:2012 Standard

Industrial Filter Specifications

Standard EN 779:2012

Air Filters in General Ventilation to eliminate particles.
Air filter classification

Group Class Loss of final charge

Pa

 Average performance (Am) against systhetic dust

%

 Average efficiency(Em) against particles of 0,4 ɲm

%

 Minimum* efficiency against particles of 0,4 ɲm

%
Thick G1 250 50 ≤ Am < 65 – –
G2 250 65 ≤ Am <80 – –
G3 250 80 ≤ Am <90 – –
G4 250 90 ≤ Am – –
Medium M5 450 – 40 ≤Em < 60
M6 450 – 60 ≤Em <80
Fine F7 450 – 80 ≤Em <90 35
F8 450 – 90 ≤Em <95 55
F9 450 – 95 ≤Em 70

* ª Minimum efficiency is the lowest efficiency between the efficiency after the discharge, the initial efficiency and the lowest efficiency throughout the charge trial procedure

Standard EN 779:2012 EUROVENT: 4/21-2014

Filter energy classification

Class of filter M5 M6 F7 F8 F9
EInitial Efficiency IPA 0,4 μ n.a. n.a.      MTE > 35% MTE > 55% MTE >70%
Eurovent energy classification Energy consumption ASHRAE 250 g dust Energy consumption ASHRAE 100 g dust
  A+ 0 – 450 kWh 0-550 kWh 0 – 800 kWh 0 – 1000 kWh 0 – 1250 kWh
A >450 – 600 kWh >550 – 650 kWh >800 – 950 kWh >1000 – 1200 kWh >1250 – 1450 kWh
B >600 – 700 kWh >650 – 800 kWh >950 – 1200 kWh >1200 – 1500 kWh >1450 – 1900 kWh
C >700 – 950 kWh >800 – 1100 kWh >1200 – 1700 kWh >1500 – 2000 kWh >1900 – 2600 kWh
D >950 – 1200 kWh >1100 – 1400 kWh >1700 – 2200 kWh >2000 – 3000 kWh >2600 – 4000 kWh
E >1200 kWh >1400  kWh >2200 kWh >3000 kWh >4000 kWh

For more information please look at the EUROVENT webpage:  www.eurovent-certification.com