Grundfos CR Instrucciones De Instalación Y Funcionamiento página 31

Fig. 4 Airborne noise emitted by pumps with motors fitted by Grundfos
50 Hz
Motor
[kW]
(ISO3743-2/ ISO1680 50 Hz)
0.37
0.55
0.75
1.1
1.5
2.2
3.0
4.0
5.5
7.5
11
15
18.5
22
30
37
45
55
75
90
110
132
160
200
L
pA
[dB(A)]
50
50
50
52
54
54
55
62
60
60
60
60
60
66
67
67
67.5
71.5
74
73
74
73.5
77
76.5
60 Hz
Motor
[kW]
(ISO3743-2/ ISO1680 60 Hz)
0.37
0.55
0.75
1.1
1.5
2.2
3.0
4.0
5.5
7.5
11
15
18.5
22
33.5
41.5
51
62
84
101
123
148
180
224
L
pA
[dB(A)]
55
53
54
57
59
59
60
66
65
65
65
65
65
70
78
78
72
76
78
77.5
78.5
78
81.5
81.5
31