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Torque values for Inch O-Ring Boss (ORB) port non-adjustable connections
SAE
UN/UNF
dash size
thread size
2
5/16-24
3
3/8-24
4
7/16-20
5
1/2-20
6
9/16-18
8
3/4-16
10
7/8-14
12
1-1/16-12
14
1-3/16-12
16
1-5/16-12
20
1-5/8-12
24
1-7/8-12
32
2-1/2-12
* S-Series connectors are used with O-Ring Face Seals (ORFS).
** L-Series connectors are used with 37° flare.
Torque values for inch O-Ring Boss (ORB) port adjustable connections
SAE
UN/UNF
dash size
thread size
2
5/16-24
3
3/8-24
4
7/16-20
5
1/2-20
6
9/16-18
8
3/4-16
10
7/8-14
12
1-1/16-12
14
1-3/16-12
16
1-5/16-12
20
1-5/8-12
24
1-7/8-12
32
2-1/2-12
* S-Series connectors are used with O-Ring Face Seals (ORFS).
** L-Series connectors are used with 37° flare.
INTRODUCTION
Ferrous
Inch tube
N·m (lb ft)
OD
± 10%
mm (in)
–
3.18 (0.125)
4.76 (0.187)
15.5 (11.4)
6.35 (0.250)
37 (27.3)
7.94 (0.313)
42 (31)
9.52 (0.375)
47 (34.7)
12.7 (0.500)
89 (65.6)
15.88 (0.625)
121 (89.2)
19.05 (0.750)
178 (131.3)
22.22 (0.875)
225 (166)
25.4 (1.000)
283 (208.7)
31.75 (1.250)
300 (221.3)
38.1 (1.500)
388 (286.2)
50.8 (2.000)
388 (286.2)
Ferrous
Inch tube
N·m (lb ft)
OD
± 10%
mm (in)
–
3.18 (0.125)
4.76 (0.187)
10.5 (7.7)
6.35 (0.250)
21 (15.5)
7.94 (0.313)
42 (31)
9.52 (0.375)
47 (34.7)
12.7 (0.500)
89 (65.6)
15.88 (0.625)
121 (89.2)
19.05 (0.750)
178 (131.3)
22.22 (0.875)
225 (166)
25.4 (1.000)
285 (210.2)
31.75 (1.250)
300 (221.3)
38.1 (1.500)
388 (286.2)
50.8 (2.000)
388 (286.2)
48126536 05/04/2017
36
S-Series *
Non-
Ferrous
N·m (lb ft)
± 10%
–
9.3 (6.9)
22 (16.2)
25 (18.4)
28 (20.7)
53 (39.1)
73 (53.8)
107 (78.9)
135 (99.6)
170 (125.4)
180 (132.8)
233 (171.9)
233 (171.9)
S-Series *
Non-
Ferrous
N·m (lb ft)
± 10%
–
9.3 (6.9)
21 (15.5)
25 (18.4)
28 (20.7)
53 (39.1)
73 (53.8)
107 (78.9)
135 (99.6)
170 (125.4)
180 (132.8)
233 (171.9)
233 (171.9)
L-Series **
Ferrous
Non-
N·m (lb ft)
Ferrous
± 10%
N·m (lb ft)
± 10%
8.5 (6.3)
5 (3.7)
10.5 (7.7)
6.3 (4.6)
19 (14)
11.5 (8.5)
26 (19.2)
15.5 (11.4)
32 (23.6)
19 (14)
53 (39.1)
32 (23.6)
63 (46.5)
38 (28)
100 (73.8)
60 (44.3)
131 (96.6)
79 (58.3)
156 (115.1)
94 (69.3)
210 (154.9)
126 (92.9)
220 (162.3)
132 (97.4)
315 (232.3)
189 (139.4)
L-Series **
Ferrous
Non-
N·m (lb ft)
Ferrous
± 10%
N·m (lb ft)
± 10%
8.5 (6.3)
5 (3.7)
10.5 (7.7)
6.3 (4.6)
19 (14)
11.5 (8.5)
26 (19.2)
15.5 (11.4)
32 (23.6)
19 (14)
53 (39.1)
32 (23.6)
63 (46.5)
38 (28)
100 (73.8)
60 (44.3)
131 (96.6)
79 (58.3)
156 (115.1)
94 (69.3)
210 (154.9)
126 (92.9)
220 (162.3)
132 (97.4)
315 (232.3)
189 (139.4)
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