Instruction Manual
Negative Pressure Unit green dec
Version 1
Page 13
4.8. Filter description / classification
Integrated in the device is a 3-stage filter combination (G 50 only 2-stages).
In particular:
Pre-filter and intermediate filter Pre-filter
Intermediate
filter
Quality class acc. to DIN 24185 / EN 779
G3 / EU3
G4 / EU4
Frame
Cardboard frame,
47 mm wide
Cardboard frame,
47 mm wide
Filter medium
Glas fibre
Synthetic
Degree of separation (Am)
85 %
90 %
Nominal volume flow
5400m³/h/m²
5400m³/h/m²
Nominal flow velocity at nominal volume
1,5 m/s
1,5 m/s
Initial pressure drop
30 Pa
42 Pa
Recommended final pressure drop
450 Pa
250 Pa
Temperature / humidity
100°C/100% RH
(relative humidity)
100°C/100% RH
(relative humidity)
Filter dimensions (in mm):
G 50 / G 55
G
100
G
200
G
300
G
400
G
500
305 x 305 x 47
305 x 610 x 47
610 x 610 x 47
610 x 910 x 47
610 x 910 x 47
305 x 305 x 47
305 x 305 x 47
305 x 610 x47
610 x 610 x47
610 x 910 x 47
610 x 910 x 47