6.6.13.2 Maximum torque values for fasteners
Goulds 2238, 2239, ASTM A193 B7 and Goulds 2299 ASTM A320 L7
Table 5: High strength steel fasteners
Bolt Dia. (D) (in.–
threads/inch)
Tensile Stress Area
(Ab), (sq.-in.)
2238, 2239 (A 193 B7) ¼-2 ½ dia: Sult = 125
ksi, Sy=105 ksi over 2 ½ – 4: Sult = 115 ksi,
Sy=95 ksi over 4 – 7: Sult = 100 ksi, Sy=75 ksi
2299 (A 320 L7) ¼-2 ½
dia: Sult = 125 ksi,
Sy=105 ksi
Max. Preload (lbs)
Torque N-m | ft-lb
Nickel or Moly An-
ti-seize K=0.15
Torque N-m | ft-lb
Nickel or Moly Anti-
seize K=0.15
1/4-20
0.0318
2337
9 | 7
9 | 7
5/16-18
0.0524
3851
20 | 15
20 | 15
3/8-16
0.0775
5696
37 | 27
37 | 27
7/16–14
0.1063
7813
58 | 43
58 | 43
1/2–13
0.1419
10430
88 | 65
88 | 65
9/16–12
0.1819
13370
127 | 94
127 | 94
5/8–11
0.2260
16611
176 | 130
176 | 130
3/4–10
0.3345
24586
312 | 230
312 | 230
7/8–9
0.4617
33935
503 | 371
503 | 371
1–8
0.6058
44526
755 | 557
755 | 557
1.125-7
0.7633
56103
1070 | 789
1070 | 789
1.125-8
0.79045
58098
1108 | 817
1108 | 817
1.25-7
0.9691
71229
1509 | 1113
1509 | 1113
1.25-8
1.000
73500
1556 | 1148
1556 | 1148
1.375-6
1.155
84893
1978 | 1459
1978 | 1459
1.375-8
1.234
90699
2114 | 1559
2114 | 1559
1.5-6
1.405
103268
2625 | 1936
2625 | 1936
1.5-8
1.492
109662
2788 | 2056
2788 | 2056
1.5-12
1.581
116204
2954 | 2179
2954 | 2179
1.625-8
1.775
130463
3593 | 2650
3593 | 2650
1.75-5
1.899
139577
4139 | 3053
4139 | 3053
1.75-8
2.082
153027
4538 | 3347
4538 | 3347
1.875-8
2.414
177429
5637 | 4158
5637 | 4158
2-4.5
2.498
183603
6223 | 4590
6223 | 4590
2-8
2.771
203669
6904 | 5092
6904 | 5092
2.125-8
3.152
231672
8344 | 6154
8344 | 6154
2.25–4.5
3.248
238728
8371 | 6714
8371 | 6714
2.25-8
3.557
261440
9969 | 7353
9969 | 7353
2.375-8
3.987
293045
11796 | 8700
11796 | 8700
2.5-4
3.999
293927
12453 | 9185
12453 | 9185
2.5-8
4.442
326487
13833 | 10203
13833 | 10203
2.625-8
4.921
327427
14559 | 10738
Not Applicable due to
size restrictions in the
material specification
2.75-4
4.934
328111
15292 | 11279
2.75-8
5.425
360763
16814 | 12401
2.875-8
5.953
395875
19289 | 14227
3-4
5.967
396806
20175 | 14880
3-8
6.506
432649
21997 | 16224
6.6 Reassembly
Model 3600 i-FRAME API610 11th Edition / ISO 13709 2nd Edition to current API BB3 Multi-Stage, Axially Split Installa-
tion, Operation, and Maintenance Manual
123
Summary of Contents for GOULDS PUMPS 3600 i-FRAME
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