6.6.6 Assembly references
6.6.6.1 Sound pressure levels
Sound pressure levels L
pA
in dB(A)
Nominal power P
N
in kW
Pump
Pump and motor
2950 min
-1
1450 min
-1
975 min
-1
2950 min
-1
1450 min
-1
975 min
-1
0,55
50,0
49,5
49,0
58,0
52,0
51,5
0.75
52,0
51,0
50,5
59,0
54,0
53,0
1,1
54,0
53,0
52,5
60,0
55,5
54,5
1,5
55,5
55,0
54,5
63,5
57,0
56,0
2,2
58,0
57,0
56,5
64,5
59,0
58,5
3,0
59,5
58,5
58,0
68,5
61,0
62,0
4,0
61,0
60,0
59,5
69,0
63,0
63,0
5,5
63,0
62,0
61,5
70,0
65,0
65,0
7,5
64,5
63,5
63,0
70,5
67,0
67,0
11,0
66,5
65,5
65,0
72,0
69,0
68,5
15,0
68,0
67,0
66,5
72,5
70,0
70,5
18,5
69,0
68,5
68,0
73,0
70,5
74,0
22,0
70,5
69,5
69,0
74,5
71,0
74,0
30,0
72,0
71,0
70,5
75,0
72,0
73,0
37,0
73,0
72,0
71,5
76,0
73,5
73,5
45,0
74,0
73,0
72,5
77,0
74,5
73,5
55,0
75,5
74,5
74,0
78,0
75,5
75,0
75,0
77,0
76,0
75,5
80,0
76,5
76,0
90,0
78,0
77,0
—
80,5
77,5
—
110,0
79,0
78,0
—
82,5
78,5
—
132,0
80,0
79,0
—
83,0
79,5
—
160,0
81,0
80,0
—
83,5
80,5
—
Table notes:
•
Sound pressure level L
pA
measured in 1 m distance from the pump surface according to DIN
45635, part 1 and 24.
•
Room and foundation influences are not considered.
•
The tolerance for these values is +/-3 dB(A).
•
Addition with 60 Hz operation:
•
Pump: —
•
Pump with motor: +4 dB(A)
6.6.6.2 Bolt torque values
Screw torque values
This table provides the recommended screw torque values.
Location
Bolt size Torque for lubricated threads in Nm | lb-ft Torque for dry threads in Nm | lb-ft
Casing screws
M12
35 | 26
50 | 37
M16
105 | 77
150 | 111
M20
210 | 155
305 | 225
All other screws
M10
40 | 30
50 | 37
M12
60 | 44
90 | 66
6.6 Reassembly
Model IC, ICI, ICH, ICIH Installation, Operation, and Maintenance Manual
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