Preliminary and intermediate filter
For the pre-filtration in ventilation systems and devices of all kinds up to fine dust filtration. .
Dimensions:
- 610 x 910 x 47 mm, Filter quality G3 (EU3) and G4 (EU4)
- 610 x 610 x 47 mm, Filter quality G3 (EU3) and G4 (EU4)
- 305 x 610 x 47 mm, Filter quality G3 (EU3) and G4 (EU4)
- 305 x 305 x 47 mm, Filter quality G3 (EU3) and G4 (EU4)
Documents | Technical data
Documents | Technical data
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 volume speed by nominal volume 1,5 m/s 1,5 m/s Starting pressure difference 30 Pa 42 Pa Recommanded final pressure difference 450 Pa 250 Pa Temperature / air humidity 100 °C / 100 % RF 100 °C / 100 % RF
