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Handbook HELLA 202108

ManualsBrandsSystemair ManualsAir Distribution ProductsHELLA-4-500-B-R-E-SW - 4-slot diffuser, RAL9003 surface, black deflectors
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26/103 | HELLA
HELLA-1-900-B-R-0-AN + PB-HELLA-1-900-I1
Pressure drop & A-weighted sound power level in dB(A)
40 60 80 100 120 140
m³/h
10 20 30 l/s
10
20
30
40
Pa
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
0 %
25 %
50 %
75 %
100 %
HELLA-1-1000-B-R-0-AN + PB-HELLA-1-1000-I1
Pressure drop & A-weighted sound power level in dB(A)
40 60 80 100 120 140
m³/h
10 20 30 l/s
10
20
30
40
Pa
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
0 %
25 %
50 %
75 %
100 %
HELLA-1-900-B-R-0-AN + PB-HELLA-1-900-I1
Throw length (terminal velocity 0.2 m/s)
40 60 80 100 120 140
m³/h
3
6
m
Horizontal
HELLA-1-1000-B-R-0-AN + PB-HELLA-1-1000-I1
Throw length (terminal velocity 0.2 m/s)
40 60 80 100 120 140
m³/h
2
4
6
m
Horizontal