Handbook HELLA 202108

52/103 | HELLA
HELLA-4-700-B-R-0-AN + PB-HELLA-4-700-I1
Pressure drop & A-weighted sound power level in dB(A)
100 200 300 m³/h
25 50 75 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 %
50 dB(A)
100 %
HELLA-4-800-B-R-0-AN + PB-HELLA-4-800-I1
Pressure drop & A-weighted sound power level in dB(A)
100 200 300 400
m³/h
20 40 60 80 100 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 %
50 dB(A)
75 %
100 %
HELLA-4-700-B-R-0-AN + PB-HELLA-4-700-I1
Throw length (terminal velocity 0.2 m/s)
100 200 300 m³/h
4
8
m
Horizontal
HELLA-4-800-B-R-0-AN + PB-HELLA-4-800-I1
Throw length (terminal velocity 0.2 m/s)
100 200 300 400
m³/h
4
8
m
Horizontal