DataSheet BIA202006

Variable Geometry Diffusers | 7 / 12
Diagram 1: Pressure drop and radiated A-weighted sound power level
dependent on air ow volume
SIZE 250
Diagram 2: Isothermal air throw length with maximum horizontal (TH)
and maximum vertical (TV) component with terminal velocity 0,2m/s,
dependent on air ow volume and adjustment angle
200
300
400
500
600
m³/h
60
80
100
120
140
160
l/s
4
8
12
16
20
24
28
Pa
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
50 dB(A)
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
50 dB(A)
BIA-200BIA-200
200
300
400
500
600
m³/h
0
2.5
5
m
BIA-200, -45°BIA-200, -45°
TH
TH
200
300
400
500
600
m³/h
2.5
4
0
m
BIA-200, 0°BIA-200, 0°
TH
TH
TV
TV
200
300
400
500
600
m³/h
5
0
7
m
BIA-200, +45°BIA-200, +45°
TV
TV
400
500
600
700
800
900
1000
m³/h
100
150
200
250
l/s
5
10
15
20
25
Pa
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
50 dB(A)
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
50 dB(A)
BIA-250BIA-250
400
500
600
700
800
900
1000
m³/h
0
5
7
m
BIA-250, -45°BIA-250, -45°
TH
TH
400
500
600
700
800
900
1000
m³/h
2.5
5
1
m
BIA-250, 0°BIA-250, 0°
TH
TH
TV
TV
400
500
600
700
800
900
1000
m³/h
5
9
0
m
BIA-250, +45°BIA-250, +45°
TV
TV
Diagram 3: Pressure drop and radiated A-weighted sound power level
dependent on air ow volume
Diagram 4: Isothermal air throw length with maximum horizontal (TH)
and maximum vertical (TV) component with terminal velocity 0,2m/s,
dependent on air ow volume and adjustment angle
SIZE 200