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Preliminary and intermediate filter

Preliminary and intermediate filter

Method of use:
For the pre-filtration in ventilation systems and devices of all kinds up to fine dust filtration.

 

Dimension:

 

Model cellular filter:

 

Quality class G3 (EU3)

Quality class G4 (EU4)

Frame:

Cardboard frame, 47 mm wide

Cardboard frame, 47 mm wide

Filter medium:

Glass wool

Synthetic

Filtration efficiency (Am):

85 %

90 %

Nominal volume flow:

5400 m³/h/m²

5400 m³/h/m²

Nominal blow speed by nominal volume:

1,5 m/s

1,5 m/s

Starting pressure difference:

30 Pa

42 Pa

Recommended final pressure Difference :

450 Pa

250 Pa

Temperature / air humidity:

100 °C / 100 % RF

100 °C / 100 % RF


As additional protection, a fleece filter can be delivered on a roll (thickness 21mm, width 610mm, length 30m) in the quality classification G3