4
SDHE.040219
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Air flow
Pr
essur
e dif
fer
ential, Pa
FLK12
FLK16
FLK20
FLK25
FLK31
H
205 mm
235 mm
275 mm
325 mm
390 mm
B
215 mm
265 mm
315 mm
365 mm
425 mm
D
125 mm
160 mm
200 mm
250 mm
315 mm
K
140 mm
155 mm
180 mm
230 mm
320 mm
L
252 mm
267 mm
302 mm
352 mm
452 mm
Direction of airflow
B
H
D
K
L
Dimensions for FLK duct filter
Pressure loss in FLK duct filter with G4-filter
12
16
20
150
100
50
0
0
50
100
150
200
250 300
350
400
450
500 550
l/s
600
25
31
Dimensions and technical data
270
370
Technical data
Model
mm
Capacity
kW
Minimum airflow
l/s m
3
/h
SDHE125-1T
125
1,2
19
70
SDHE160-1T
160
1,2
31
110
SDHE200-1T
200
1,2
47
170
SDHE250-1T
250
1,2
75
270
SDHE250-2T
250
2,0
75
270
SDHE315-1T
315
1,2
115
415
SDHE315-2T
315
2,0
115
415
Dimensions for duct heater
