en
Product description
12
WILO USA 2021-01
4.6
Accessories
Accessories have to be ordered separately. For a detailed list, consult the catalogue and
spare parts documentation.
4.7
Anticipated noise levels
4.7.1
Pump with three-phase motor,
60 Hz without speed control
Motor power P
N
[hp]
Measuring surface sound-pressure level Lp, A [dB(A)]
1)
2-Pole (3550 rpm)
4-Pole (1750 rpm)
0.75
–
52
1
68
52
1.5
68
52
2
68
52
3
66
56
5
66
56
7.5
68
59
10
68
59
15
72
64
20
72
64
25
72
64
30
73
64
40
76
66
50
76
66
60
79
69
75
84
69
100
84
69
125
84
73
150
84
78
200
85
78
250
85
78
300
85
75
1)
Spatial mean value of sound-pressure levels within a cube-shaped measuring area at a
distance of 1 m from the surface of the motor
Table 1:
Anticipated noise levels for standard pump (60 Hz)