Anticipated Noise Levels; Permissible Forces And Torques On The Pump Flanges (Only Bl Pumps) - Wilo CronoLine-IL Notice De Montage Et De Mise En Service

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6.2

Anticipated noise levels

Motor power PN [kW]
0.55
0.5
1.1
1.5
2.2
3
4
5.5
7.5
11
15
18.5
22
30
1) Spatial mean value of sound-pressure levels on a square measuring surface at a distance of 1 m from the surface of the motor
6.3

Permissible forces and torques on the pump flanges (only BL pumps)

Pump type BL Suction flange DN [mm] Pressure flange DN [mm] Force F
40/... 65
50/... 65
65/... 80
80/... 100
Fig. 9: Forces affecting the connecting pieces
28
Sound-pressure level Lp, A [dB (A)]
1450 rpm
IL, BL, DL DL
(DL in individual (DL in parallel
operation) operation)
51
51
53
55
59
59
59
63
63
65
65
71
71
72
40
50
65
80
The following condition must be fulfiled:
6 (F ), 6 (F
V
corresponding loads acting on the connecting pieces. For these
totals, neither the direction of the loads nor their distribution is taken
into consideration.
IL, BL, DL
(DL in individual
operation)
54 54
54 60
56 60
58 67
62 67
62 67
62 67
66 71
66 71
68 74
68 74
74 74
74 76
75 79
Force F
Vmax
[kN] [kN]
2.4 1.7
2.4 1.7
2.4 1.7
2.5 1.8
2.4 1.7
2.4 1.7
2.4 1.7
2.5 1.8
2.6 1.8
2.6 1.8
2.6 1.8
2.6 1.8
2.6 1.8
3.3 2.4
3.3 2.4
3.3 2.4
3.3 2.4
) and 6 (M
) are the totals of the absolute amounts of the
H t
1)
2900 rpm
DL
(DL in parallel
operation)
57
63
63
70
70
70
70
74
74
77
77
77
79
82
Torques 6
Hmax
M [kNm]
tmax
0.55
0.52
0.50
0.62
0.55
0.52
0.50
0.62
0.7
0.7
0.7
0.7
0.7
1.1
1.1
1.1
1.1
WILO SE 09/2010