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Bijlage
Airborne noise emitted by HS pumps
MG motors:
Motor
[kW]
2-pole
1.5
2.2
3.0
4.0
5.5
7.5
11
15
18.5
22
Siemens motors:
Motor
[kW]
11
15
18.5
22
30
37
45
55
75
90
110
132
160
200
250
315
355
400
500
560
630
28
L
[dB(A)]
pA
50 Hz
4-pole
47
48
52
48
51
52
60
54
60
54
60
64
2-pole
71
71
71
71
73
73
76
L
[dB(A)]
pA
50 Hz
4-pole
60
60
62
66
66
67
70
70
70
70
70
70
73
73
75
75
75
78
78
1
6-pole
66
56
59
59
59
60
58
58
61
61
61
61
64
68
68
71
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