FLENDER COUPLINGS N-EUPEX 3103en, Assembly And Operating Instructions Manual

Page: 58 / 64

The values in column "250 rpm" of the table above apply for speeds of < 250 rpm.
A.3 Tightening torques and widths A/F
Table A-4 Tightening torques for parts 13 and 23 of types O and P
N‑EUPEX-
Coupling
Tightening torque T
A
and width A/F SW for
Hexagon socket-head screws according to DIN EN ISO 4762
Size Part 13
T
A
Nm
Part 23
T
A
Nm
Parts 13, 23
SW
mm
125 25 17.5 6
140 49 29 8
160 49 35 8
180 49 44 8
200 86 67.5 10
225 86 86 10
250 210 145 14
280 210 185 14
315 210 200 14
350 410 260 17
Apply the recommended tightening torques in accordance with the stipulations in section
Tightening procedure (Page 58).
A.4 Tightening procedure
Tighten fastening screws to the specified tightening torque in accordance with the following
table:
Table A-5 Tightening procedure
Scatter of the torque ap‐
plied at the tool Tightening procedure
(As a rule, the tightening procedures listed are within the specified
tool torque scatter)
±5 %
• Hydraulic tightening with mechanical screwdriver
• Torque-controlled tightening with a torque wrench or a torque
wrench that gives a signal
• Tightening with a precision mechanical screwdriver with dynamic
torque measurement
The tightening torques apply to screws/bolts with untreated surfaces that are not oiled or are
only lightly oiled, and for screws/bolts that are used with a liquid screw locking agent in
accordance with these instructions. Use with lubricant paint or lubricant is not permitted.
Technical data
A.4 Tightening procedure
Assembly and operating instructions 3103en
58
Edition 10/2020