The following table contains the values for the diameter and axial position of the tapped hole
depending on the size of the coupling.
Table 5-3 Diameter and axial position of the tapped hole, tightening torque
Size
d1
e1
mm
e2
mm
e3
mm
e4
mm
Tightening torque
T
A
Nm
58 / 66 M5 10 - - 8 3
68 / 76 M6 10 - - 8 4
80 / 88 M6 11 - - 12 4
95 / 103 M6 15 - - 15 4
110 / 118 M6 18 - 9 18 4
125 / 135 M8 20 - 12 20 8
140 / 152 M8 - 13 15 22 8
160 / 172 M10 - 13 20 25 15
180 / 194 M12 - 16 30 32 25
200 / 218 M12 - 20 30 40 25
225 / 245 M12 - 22 35 40 25
250 / 272 M16 - 24 40 45 70
280 / 305 M16 - 28 45 45 70
315 / 340 M16 - 35 50 - 70
350 / 380 M20 - 40 60 - 130
400 / 430 M20 - 50 70 - 130
440 / 472 M24 - 60 80 - 230
480 / 514 M24 - 70 90 - 230
520 / 556 M24 - 80 100 - 230
560 M24 - 75 100 - 230
610 M24 - 85 110 - 230
660 M24 - 100 130 - 230
710 M24 - 115 140 - 230
Apply the recommended tightening torques in accordance with the stipulations in section
Tightening procedure (Page 64).
Assembly
5.1 Preparatory work
N-EUPEX / N-EUPEX DS 3100en
Operating Instructions 10/2017 27
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