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Handbook HELLA 202108

ManualsBrandsSystemair ManualsAir Distribution ProductsHELLA-3-700-B-R-E-AN - Linear 3-slot diffuser, AL surface, black deflectors
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37/103 | HELLA
HELLA-2-1400-B-R-0-AN + PB-HELLA-2-1400-I1
Pressure drop & A-weighted sound power level in dB(A)
80 120 160 200 240 280 m³/h
25 50 75 l/s
10
20
30
Pa
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
0 %
25 %
50 %
50 dB(A)
75 %
100 %
HELLA-2-1500-B-R-0-AN + PB-HELLA-2-1500-I1
Pressure drop & A-weighted sound power level in dB(A)
80 120 160 200 240 280 m³/h
25 50 75 l/s
10
20
30
Pa
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
0 %
25 %
50 %
50 dB(A)
75 %
100 %
HELLA-2-1400-B-R-0-AN + PB-HELLA-2-1400-I1
Throw length (terminal velocity 0.2 m/s)
80 120 160 200 240 280 m³/h
3
6
m
Horizontal
HELLA-2-1500-B-R-0-AN + PB-HELLA-2-1500-I1
Throw length (terminal velocity 0.2 m/s)
80 120 160 200 240 280 m³/h
2
4
6
m
Horizontal