Grundfos NK Montage- Und Betriebsanleitung Seite 711

Appendix
1. Airborne noise emitted by pumps with MG, MMG, Siemens and TECO motors
1.1 50 Hz
-1
2-pole: n = 2900 min
-1
4-pole: n = 1450 min
-1
6-pole: n = 970 min
Motor MG
MG model C
[kW] model B
4-pole 2-pole
0.25 42
0.37 42
0.55
0.75 56
1.1 55
1.5 58
2.2 57
3.0 59
4.0 66
5.5 63
7.5 73
11.0
15.0
18.5
22.0
30.0
37.0
45.0
55.0
75.0
90.0
110.0
132.0
160.0
200.0
250.0
315.0
355.0
MG
Siemens
model D
4-pole 2-pole 2-pole 4-pole
42
42
51 59
55 58
52 60
56 59
59 63
57 63
68
70
70
70
70
71
71
71
71
73
73
76
76
76
76
82
82
77
L [dB(A)]
pA
MMG model E
6-pole 2-pole 4-pole
40
40
43
48 43
48 47
53 52
53 63
53 63
62 63
62 66 63
66 66 78 67
66 66 78 67
63 66 78 68
63 66 82 68
65 59 84 71
66 60 84 73
66 58 84 73
67 58 85 75
70 61 86 78
70 61 86 78
70 61 89 85
70 61 89 85
70 92 89
70 92 89
73 95 93
73 95 93
TECO
6-pole 2-pole 4-pole 6-pole
51 58 59
51 60 58 59
52 62 58 59
52 62 59 59
53 64 59 59
57 64 62 59
61 65 62 58
61 65 63 61
61 70 63 60
65 73 62 61
65 76 69 62
65 76 69 65
68 76 72 69
68 83 72 70
68 88 76 74
70 88 82 75
72 90 82 75
72 91 83 81
77 91 83 81
77 92 85 84
77 92 85 84
93 88 84
93 90
93 90
95 92
95 94
711