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Handbook HELLA 202108

ManualsBrandsSystemair ManualsAir Distribution ProductsHELLA-4-1400-B-0-0-AN - Lin. 4-slot diffuser, AL surface, black defl., no reg
41424344454647484950
50/103 | HELLA
HELLA-4-1300-B-R-0-AN + PB-HELLA-4-1300
Pressure drop & A-weighted sound power level in dB(A)
100 200 300 400 500
m³/h
40 60 80 100 120 l/s
4
8
12
16
20
Pa
25 dB(A)
30 dB(A)
35 dB(A)
40 dB(A)
45 dB(A)
0 %
25 %
50 %
75 %
100 %
HELLA-4-1400-B-R-0-AN + PB-HELLA-4-1400
Pressure drop & A-weighted sound power level in dB(A)
100 200 300 400 500
m³/h
40 60 80 100 120 l/s
4
8
12
16
20
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-4-1300-B-R-0-AN + PB-HELLA-4-1300
Throw length (terminal velocity 0.2 m/s)
100 200 300 400 500
m³/h
4
8
m
Horizontal
HELLA-4-1400-B-R-0-AN + PB-HELLA-4-1400
Throw length (terminal velocity 0.2 m/s)
100 200 300 400 500
m³/h
4
8
m
Horizontal