120 ARX 1
1201281 A | 24.07.2013
9.17.5 Threaded adapters / Inch threads
Tab. 9-13 Tightening torques for threaded adapters / inch threads
NOTE To tighten hydraulic hoses and fittings:
• Screw the union nut by hand all the way to the stop, then tighten ¼ of a turn
with the wrench (90°)
M18x1.5 110 Nm 90 Nm 12 S
M20x1.5 150 Nm 125 Nm 14 S
M22x1.5 170 Nm 135 Nm 16 S
M27x1.5 270 Nm 180 Nm 20 S
Thread size Cutting ring Soft seat ring Nominal joint size
Thread size Cutting ring Soft seat ring Nominal joint size
1/8“ 18 Nm 18 Nm 6 L
1/4“ 25 Nm 25 Nm 8 L
1/4“ 45 Nm 45 Nm 10 L
3/8“ 55 Nm 55 Nm 12 L
1/2“ 70 Nm 70 Nm 15 L
1/2“ 125 Nm 125 Nm 18 L
3/8“ 180 Nm 180 Nm 22 L
1" 310 Nm 310 Nm 28 L
1/4“ 35 Nm 40 Nm 6 S
1/4“ 55 Nm 40 Nm 8 S
3/8“ 70 Nm 70 Nm 10 S
3/8“ 110 Nm 90 Nm 12 S
1/2“ 150 Nm 125 Nm 14 S
1/2“ 170 Nm 135 Nm 16 S
3/4“ 270 Nm 180 Nm 20 S