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
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
6.6.11.3 Maximum torque values for fasteners
Table 5: Carbon steel fasteners - Goulds 2210, 2294, ASTM A307 Gr B, SAE Gr2
Bolt Dia. (D) (in.– threads/
inch)
Tensile Stress Area
(Ab) (sq-in)
Max. Preload (lbs)
Torque N-m | ft-lbs Nickel
or Moly Anti-seize, K=0.15
1/4-20
0.0318
801
4 | 3
5/16-18
0.0524
1320
7 | 5
3/8–16
0.0775
1953
12 | 9
7/16–14
0.1063
2679
20 | 15
1/2–13
0.1419
3576
30 | 22
9/16–12
0.1819
4584
43 | 32
5/8–11
0.226
5695
60 | 44
3/4–10
0.3345
8429
107 | 79
7/8–9
0.4617
11635
168 | 124
1–8
0.6058
15266
259 | 191
1.125-7
0.7633
19235
366 | 270
1.125-8
0.7904
19918
380 | 280
1.25-7
0.9691
24421
518 | 382
1.25-8
1.000
25200
534 | 394
1.375-6
1.155
29106
678 | 500
1.375-8
1.234
31097
724 | 534
1.5-6
1.405
35406
900 | 664
1.5-8
1.492
37598
956 | 705
1.5-12
1.581
39841
1013 | 747
1.625-8
1.775
44730
1232 | 909
1.75-5
1.899
47855
1420 | 1047
1.75-8
2.082
52466
1556 | 1148
6.6 Reassembly
3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance
Manual
113
Содержание GOULDS PUMPS i-FRAME 3620
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