Grundfos CR 155 - Page 27

Appendix
27
Fig. D
Airborne noise emitted by pumps with motors fitted by Grundfos:
50 Hz 60 Hz
Motor
[kW]
Motor
[kW]
0.37 50 0.37 55
0.55 50 0.55 53
0.75 50 0.75 54
1.1 52 1.1 57
1.5 54 1.5 59
2.2 54 2.2 59
3.0 55 3.0 60
4.0 62 4.0 66
5.5 60 5.5 65
7.5 60 7.5 65
11 60 11 65
15 60 15 65
18.5 60 18.5 65
22 66 22 70
30 67 33.5 78
37 67 41.5 78
45 67.5 51 72
55 71.5 62 76
75 74 84 78
90 73 101 77.5
110 74 123 78.5
132 73.5 148 78
160 77 180 81.5
200 76.5 224 81.5
L
pA
[dB(A)]
(ISO3743-2 / ISO1680 50 Hz)
L
pA
[dB(A)]
(ISO3743-2 / ISO1680 60 Hz)