TIGHTENING TORQUES
5. Tightening Torque List
[Hydraulic Hose and Pipe]
Tightening hose union nut tightening torque Adaptor (with O-ring) lock nut tightening torque
R screw tightening torque
Nominal size
G1/4 G3/8 G1/2
N·m 24.5
49 58.8
kgf·m 2.5
5.0 6.0
Nominal size
G1/4 G3/8 G1/2
N·m
39.2 49 58.8
kgf·m 4.0 5.0 6.0
Nominal 1/8 1/4 3/8 1/2 3/4
N·m 21.6 35.3 53.9 84.3 127
kgf
·
m
2.2 3.6 5.5 8.6 13.0
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