Appendix
Standard tightening torques
Size Equivalent specification Size Equivalent specification
10L 40 Nm
30 ft-lb
10S 50 Nm
37 ft-lb
12L 50 Nm
37 ft-lb
12S 60 Nm
44 ft-lb
15L 70 Nm
52 ft-lb
14S 75 Nm
55 ft-lb
18L 90 Nm
66 ft-lb
16S 85 Nm
63 ft-lb
22L 120 Nm
89 ft-lb
20S 140 Nm
103 ft-lb
28L 160 Nm
118 ft-lb
25S 190 Nm
140 ft-lb
35L 250 Nm
184 ft-lb
30S 270 Nm
199 ft-lb
42L 380 Nm
280 ft-lb
38S 400 Nm
295 ft-lb
Tab. 73: Alternative tightening torques for DKO connectors
5.3.12 Standard torques for collar clamps
Fig. 331: Collar clamp
Band width
Tightening torque
18 mm
0.71 in
4 Nm
3 ft-lb
20 mm
0.79 in
7 Nm
5 ft-lb
25 mm
0.98 in
12 Nm
9 ft-lb
30 mm
1.18 in
30 Nm
22 ft-lb
Tab. 74: Tightening torques for collar clamps according to DIN 3017-3
286
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KD62V12 33525088601_8_1 EN_US
2022-09