12 | Baker Hughes
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Table 4 - Torque Specifications for Flexflo Sure Reliever Tie Studes
Size
Class
Stud Size
Initial Torque (ft-lbs)
Intermediate torque (ft-lbs)
Final torque (ft-lbs)
12”
150
1”-8
85
169
254
300
1 1/4”-8
249
498
747
600
1 5/8”-8
576
1153
1729
10”
150
1”-8
81
161
242
300
1”-8
140
280
420
600
1 3/8”-8
344
688
1033
8”
150
7/8”-9
68
136
204
300
1”-8
104
208
311
600
1 1/4”-8
224
447
671
6”
150
7/8”-9
35
70
104
300
7/8”-9
72
143
215
600
1 1/4”-8
146
293
439
4”
150
3/4”-10
22
44
67
300
7/8”-9
68
136
204
600
1 1/4”-8
188
375
563
1. Applies only to properly lubricated contact face and threads.
Table 3 - Component Weights for Flexflo Surge Relievers
Size
Class
Component Weight
Complete Re-
liever
Body Assembly
Cover Plate
Body Sleeve
Tube & Core
1
Core
lbs
kg
lbs
kg
lbs
kg
lbs
kg
lb
s
kg
lbs
kg
12”
150
2875
1304
1627
738
145
66
602
273
436
198
418
190
300
4081
1851
1784
809
167
76
606
275
453
206
423
192
600
6436
2919
2485
1127
174
79
937
425
592
269
562
255
10”
150
1871
849
912
414
100
45
297
135
220
100
210
95
300
2883
1308
1189
539
121
55
409
185
237
108
212
96
600
3837
1740
1465
665
128
58
557
253
270
123
245
111
8”
150
1390
630
746
337
76
35
299
136
157
71
151
68
300
1834
832
796
361
89
41
321
146
167
76
152
69
600
2591
1175
925
419
89
41
321
146
198
90
183
83
6”
150
891
404
457
207
52
24
165
75
72
33
68
31
300
1124
5510
525
238
59
27
203
92
78
35
69
31
600
1803
818
739
335
68
31
330
149
124
56
109
49
4”
150
491
223
180
82
28
13
36
17
25
11
23
10
300
505
229
164
74
28
13
32
15
27
12
24
11
600
729
331
214
97
27
12
62
28
38
17
33
15