Cut-to-size coarse dust filter mats made of synthetic media Filter classes G2 - G4
SF coarse dust filter mats are used as preliminary filters where heavy dust loads are encountered in air-conditioning systems and in the intake air of painting and drying systems. The filter medium has a progressive depth structure that increases towards the clean-air side. SF coarse dust filter mats are made of break-resistant synthetic fibres that are fee of substances that can damage paint (silicone-free).

Material properties:

Filter medium tested in acc. with EN 779
Fire protection in acc. with DIN 53438 (F1)
Moisture resistance up to 100% rel. hum.
Temperature-resistant up to maximum 80°C
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SF designation SF-FL100 SF- FL150 SF- FL200 SF- FL220 SF- V15/350 SF- V15/400
Filter class in acc. with EN 779 G2 G2 G3 G4 G4 G4
Mean filtration efficiency 65% - 80% 65% - 80% 80% - 90% ≥90% ≥90% ≥90%
Material thickness (approx.) 5 mm 11 mm 22 mm 24 mm 19 mm 20 mm
Surface weight (approx.) 100 g/m² 150 g/m² 200 g/m² 220 g/m² 280 g/m² 350 g/m²
Initial pressure drop* 20 Pa 25 Pa 35 Pa 35 Pa 50 Pa 60 Pa
Recommended final pressure drop 250 Pa 250 Pa 250 Pa 250 Pa 250 Pa 250 Pa
Flow velocity 1,5 m/s 1,5 m/s 1,5 m/s 1,5 m/s 1,5 m/s 1,5 m/s
*checked against plan
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