Installing/Mounting
4.4 Mounting
20
Torques
Fasten screws according to the torques values below
Figure 4-9
Torques values
NOTICE
Torque values are calculated on the basis of use of gaskets.
Table 4- 1
Maximum allowable torques
DN
PN 10
PN 16
PN 40
Class 150
AWWA
Mm
Inch Nm
F/lbs
Nm
F/lbs
Nm
F/lbs
Nm
F/lbs
Nm
F/lbs
15
½
N/A
N/A
N/A
N/A
10
7
6
5
N/A
N/A
25
1"
N/A
N/A
N/A
N/A
10
7
7
5
N/A
N/A
40
1½"
N/A
N/A
N/A
N/A
16
12
9
7
N/A
N/A
50
2"
N/A
N/A
N/A
N/A
N/A
N/A
25
18
N/A
N/A
65
2½"
N/A
N/A
25/25
18/18
N/A
N/A
25
18
N/A
N/A
80
3"
N/A
N/A
25/25
18/18
N/A
N/A
34
25
N/A
N/A
100
4"
N/A
N/A
25/25
18/18
N/A
N/A
26
19
N/A
N/A
125
5"
N/A
N/A
29/32
21/24
N/A
N/A
42
31
N/A
N/A
150
6"
N/A
N/A
50/50
37/37
N/A
N/A
57
42
N/A
N/A
200
8"
50/50
37/37
50/52
37/38
N/A
N/A
88
65
N/A
N/A
250
10"
50/50
37/37
82/88
61/65
N/A
N/A
99
73
N/A
N/A
300
12"
57/62
42/46
111/117 82/86
N/A
N/A
132
97
N/A
N/A
350
14"
60/60
44/44
120/120 89/89
N/A
N/A
225
166
N/A
N/A
400
16"
88/88
65/65
170/170 125/125 N/A
N/A
210
155
N/A
N/A
450
18"
92/92
68/68
170/170 125/125 N/A
N/A
220
162
N/A
N/A
500
20"
103/103
76/76
230/230 170/170 N/A
N/A
200
148
N/A
N/A
600
24"
161/161
119/119
350/350 258/258 N/A
N/A
280
207
N/A
N/A
700
28"
200/200
148/148
304/304 224/224 N/A
N/A
N/A
N/A
200
148
750
30"
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
240
177
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