INTRODUCTION
Torques for O-Ring Face Seal (ORFS) hose connectors
High/Medium pressure
applications (greater than
50 bar (725 psi)
Low pressure applications (less
than 50 bar (725 psi)
SAE
Dash size
UN/UNF
Thread size
Tube OD
Swivel nut torque
4
9/16–18
6.35 mm
(
0.25 in
) 1/4
27 N·m
(
19.9 lb ft
)
27 N·m
(
19.9 lb ft
)
5
5/8–18
7.94 mm
(
0.313 in
) 5/16
34 N·m
(
25.1 lb ft
)
34 N·m
(
25.1 lb ft
)
6
11/16–16
9.52 mm
(
0.375 in
) 3/8
44 N·m
(
32.5 lb ft
)
44 N·m
(
32.5 lb ft
)
8
13/16–16
12.7 mm
(
0.5 in
) 1/2
65 N·m
(
47.9 lb ft
)
65 N·m
(
47.9 lb ft
)
10
1–14
15.88 mm
(
0.625 in
) 5/8
100 N·m
(
73.8 lb ft
)
100 N·m
(
73.8 lb ft
)
12
1-3/16–12
19.05 mm
(
0.75 in
) 3/4
150 N·m
(
110.6 lb ft
)
131 N·m
(
96.6 lb ft
)
14
1-5/16–12
22.22 mm
(
0.875 in
) 7/8
163 N·m
(
120.2 lb ft
)
131 N·m
(
96.6 lb ft
)
16
1-7/16–12
25.4 mm
(
1.0 in
) 1
210 N·m
(
154.9 lb ft
)
131 N·m
(
96.6 lb ft
)
20
1-11/16–12
31.75 mm
(
1.25 in
) 1-1/4
280 N·m
(
206.5 lb ft
)
178 N·m
(
131.3 lb ft
)
24
2–12
38.1 mm
(
1.5 in
) 1-1/2
375 N·m
(
276.6 lb ft
)
210 N·m
(
154.9 lb ft
)
NOTE:
Final torque tol/–
10%
of the given torque specification.
48194558 20/10/2017
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