Siemens SITRANS F M MAGFLO Instructions page 6

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SITRANS F M MAGFLO
Tightening
Maximum allowable torques
Nominal
size
PN 6
mm
Inch
Nm
F/Lbs
15
½"
N/A
N/A
25
1"
N/A
N/A
40
1½"
N/A
N/A
50
2"
N/A
N/A
65
2½"
10
80
3"
25
18
100
4"
25
18
125
5"
25
18
150
6"
25
18
200
8"
25
18
250
10"
25
18
300
12"
50
37
350
14"
50
37
400
16"
50
37
450
18"
56
41
500
20"
53
39
600
24"
81
60
700
28"
100
74
800
32"
140
103
900
36"
172
127
1000
40"
180
133
1200
48"
252
186
1400
54"
330
244
1600
66"
380
280
1800
72"
382
282
2000
78"
432
319
Torque calculations
6
Electromagnetic flowmeter type MAG 3100
PN 10
PN 16
Nm
F/Lbs
Nm
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
7
N/A
N/A
25
N/A
N/A
25
N/A
N/A
25
N/A
N/A
32
N/A
N/A
50
50
37
52
50
37
88
62
46
117
60
44
120
88
65
170
92
68
170
103
76
230
161
119
350
200
148
304
274
202
386
288
213
408
382
282
546
395
292
731
503
371
736
684
505
913
771
569
937
867
640
1128
All values are theoretical and are calculated making the following assumptions:
1.
All bolts are new and material selection is according to EN 1515-1 table 2
2.
Gasket material not exceeding 75 shore A durometer is used between the flowmeter and
mating flanges
3.
All bolts are galvanized and adequately lubricated
4.
The values are calculated for use with carbon steel flanges
5.
Flowmeter and mating flanges are correctly aligned
Maximum torque
PN 25
F/Lbs
Nm
F/Lbs
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
18
N/A
N/A
18
N/A
N/A
18
N/A
N/A
24
N/A
N/A
37
N/A
N/A
38
105
77
65
160
118
86
170
125
89
240
177
125
330
244
125
320
236
170
390
288
258
560
413
224
N/A
N/A
285
N/A
N/A
301
N/A
N/A
403
N/A
N/A
539
N/A
N/A
543
N/A
N/A
674
N/A
N/A
692
N/A
N/A
832
N/A
N/A
Standard bolts must be well lubricated and
tightened evenly around the gasket. Leakage/
damage to the flowmeter or piping may arise if
bolts are overtightened.
PN 40
PN 63
Nm
F/Lbs
Nm
10
7
N/A
16
12
N/A
34
25
N/A
46
34
90
34
25
64
42
31
82
72
53
136
114
84
200
144
106
275
185
137
330
300
221
500
320
236
525
450
332
750
650
480
1100
570
421
N/A
740
546
N/A
1220
900
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
PN 100
F/Lbs
Nm
F/Lbs
N/A
N/A
N/A
N/A
50
37
N/A
100
74
66
140
103
47
110
81
61
130
96
100
190
140
148
250
185
203
210
155
244
400
295
369
550
406
387
700
517
554
1200
886
812
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

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Mag 3100

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