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STANDARD TIGHTENING TORQUES
O-Ring Face Seal Fittings
Table 2-10
Size
Code
– 4
– 6
– 8
– 10
– 12
– 16
– 20
– 24
2-10
Torque Chart For O-ring Face Seal Fittings
Tube Size
Threads
(O.D.)
UNF-2B
0.250
0.438 – 20
0.375
0.562 – 18
0.500
0.750 – 16
0.625
0.875 – 14
0.750
1.062 – 12
1.000
1.312 – 12
1.250
1.625 – 12
1.500
1.875 – 12
STANDARD CHARTS AND TABLES
Foot
Newton
Pounds
meters (N·m)
(ft·lb)
15 ± 1
11 ± 1
24 ± 3
18 ± 2
48 ± 5
35 ± 4
69 ± 7
51 ± 5
96 ± 10
71 ± 7
133 ± 8
98 ± 6
179 ± 10
132 ± 7
224 ± 20
165 ± 15
830E-1AC
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