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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
MODEL SWG, SERIES C, B, V, N
International Valve Marketing, LLC
Page | 14
Last Revision Date: 09/13/2013
SECT: 1.13
ADDENDUM
TABLE 1: TORQUE VALUES FOR STAINLESS STEEL FASTENERS
1
Bolt Size
304 Stainless Steel
(18-8)
316 Stainless Steel
Bolt Size
304 Stainless Steel (18-
8)
316 Stainless Steel
Dry
Lubed
Dry
Lubed
Dry
Lubed
Dry
Lubed
(in)
in.-lbs.
in.-lbs.
in.-lbs.
in.-lbs.
(in.)
ft.-lbs.
ft.-lbs.
ft.-lbs.
ft.-lbs.
6-32
9.6
8.2
10.1
8.6
1/2-13
43
37
45
38
6-40
12.1
10.3
12.7
10.8
1/2-20
45
38
47
40
8-32
19.8
16.8
20.7
17.6
9/16-12
56
48
59
50
8-36
22
18.7
23
19.6
9/16-18
62
53
65
55
10-24
22.8
19.4
23.8
20.2
5/8-11
92
78
96
82
10-32
31.7
26.9
33.1
28.1
5/8-18
103
88
108
92
1/4-20
75.2
63.9
78.8
67
3/4-10
127
108
131
111
1/4-28
94
80
99
84
3/4-16
124
105
129
110
5/16-18
132
112
138
117
7/8-9
194
165
202
172
5/16-24
142
121
147
125
7/8-14
193
164
201
171
3/8-16
236
201
247
210
1-8
286
243
299
254
3/8-24
259
220
271
230
1-14
259
220
270
230
7/16-14
376
320
393
334
1 1/8-7
413
351
432
367
7/16-20
400
340
418
355
1 1/8-12
390
332
408
347
Bolt Size
A2 Stainless Steel
A4 Stainless Steel
.
Dry
Lubed
Dry
Lubed
(mm)
N-m
N-m
N-m
N-m
3.0
1.0
0.9
1.0
0.9
4.0
2.6
2.3
2.6
2.3
5.0
5.1
4.6
5.1
4.6
6.0
8.7
7.8
8.7
7.8
8.0
21.2
19.1
21.2
19.1
10.0
42
38
42
38
12.0
73
66
73
66
14.0
118
106
118
106
16.0
180
162
180
162
18.0
258
232
258
232
20.0
370
333
370
333
22.0
485
437
485
437
24.0
603
543
603
543
1
Suggested Maximum Torque Values:
While International Valve Marketing, LLC has used reliable sources to determine these values, there are many
variables that will affect the results and the use of this information is at sole risk of the user.
DO NOT OVER or UNDER TIGHTEN fasteners.
NOTE:
Stainless steel fasteners tend to gall while being tightened. The risk of galling or thread seizing can be reduced by the:
Use of lubrication.
Tightening of fasteners with low rpm’s; without interruptions.
Application of only light pressure.
Avoidance prevailing torque lock nuts.
