12
I- TIGHTENING TORQUES
J- EXPECTED NOISE VALUES
Tightening Torques
Tightening Torque max (N.m)
Property Classes
Thread Diameter
8.8
10.9
3.0
5.9
10
25
49
85
135
210
300
425
580
730
1100
1450
1970
2530
4.4
8.7
15
36
72
125
200
310
430
610
820
1050
1550
2100
2770
3560
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
M33
M36
< 0.55
0.75
1.1
1.5
2.2
3
4
5.5
7.5
11
15
18.5
22
30
37
45
55
75
90
60
60
62
63
64
65
66
67
69
70
72
73
74
75
75
76
77
78
79
64
66
66
68
69
70
71
73
74
76
77
78
79
81
82
82
84
85
85
Power of Motor
P
(kW)
Sound pressure level
(dB
A
) *
(Pump with motor)
1450 rpm
2900 rpm
N
(*) Without protective sound hood, measured at a distance of 1 m directly above the driven pump, in a free space above a
sound reflecting surface.