Rhosonics SDM-4 - Page 18

SDM – Slurry Density Meter
18 www.rhosonics.com
INSTALLATION
Diameter (inch)
Initial Minimum Torque
Final Maximum Torque
Nom.OD
No.bolts
ft.lbs
Nm
ft.lbs
Nm
2
4
22
30
33
45
2.5
4
26
35
39
53
3
4
30
41
45
61
3.5
8
30
41
45
61
4
8
30
41
45
61
5
8
44
60
66
89
6
8
44
60
66
89
8
8
58
80
87
120
10
12
58
80
87
120
12
12
75
100
113
150
14
12
140
190
210
280
16
16
140
190
210
280
18
16
140
190
210
280
20
20
160
220
240
330
24
20
180
240
270
370
26
24
180
240
270
370
28
28
180
240
270
370
30
28
180
240
270
370
32
28
240
330
360
490
34
32
240
330
360
490
36
32
260
350
390
530
38
32
280
380
420
570
40
36
310
420
465
630
42
36
310
420
465
630
44
40
310
420
465
630
46
40
310
420
465
630
48
44
310
420
465
630
50
44
365
490
550
750
54
44
365
490
550
750
56
48
365
490
550
750
58
48
365
490
550
750
60
52
365
490
550
750
IMPORTANT:
These estimated values are based on non-plated bolts and studs, using a K=0.16 for lightly greased bolts
and nuts.
Bolting must be done according to a crisscross pattern. Reseating is necessary after 24 hours.
Reference: Bolt Torque For Polyethylene Flanged Joints TN-38/July 2011, www.plasticpipe.org