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
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
1.875-8
2.414
60833
1933 | 1426
2-4.5
2.498
62950
2134 | 1574
2-8
2.771
69829
2367 | 1746
2.125-8
3.152
79430
2861 | 2110
2.25-4.5
3.248
81850
3121 | 2302
2.25-8
3.557
89636
3418 | 2521
2.375-8
3.987
100472
4044 | 2983
2.5-4
3.999
100775
4269 | 3149
2.5-8
4.442
111938
4743 | 3498
2.625-8
4.921
124009
5517 | 4069
2.75-4
4.934
124337
5795 | 4274
2.75-8
5.425
136710
6371 | 4699
2.875-8
5.953
150016
7309 | 5391
3-4
5.967
150368
7645 | 5639
3-8
6.506
163951
8336 | 6148
6.6.14.4 Spare parts
Critical services spare parts
For critical services, the following parts should be stocked, where applicable:
•
Venturi Insert (100W) (Applicable for 3700 LFI)
•
Impeller (101) with impeller rings (202 and 203) (Applicable for 3700/3710)
•
Impeller (101) (Applicable for 3703/3700LF/3700LFI)
•
Thrust bearing end-cover (109A)
•
Radial bearing end cover (119A)
•
Shaft (122)
•
Radial INPRO seal (123)
•
Thrust INPRO (123A)
6.6 Reassembly
116 Model 3700, 3703, 3710, 3700LF, 3700LFI API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Instal-
lation, Operation, and Maintenance Manual
Summary of Contents for Goulds Pumps 3700
Page 2: ......