Standard Torques For Metric Flange Joints - Kohler KD62V12A Operation And Maintenance Manual

Information
Tolerances of the indicated tightening torques: 10%.
Always lubricate the thread before tightening these parts (engine oil).
Thread
M 6 x 1
M 8 x 1
M 8 x 1.5
M 10 x 1
M 10 x 1.25
M 12 x 1.5
M 14 x 1.5
M 16 x 1.5
M 18 x 1.5
M 20 x 1.5
M 22 x 1.5
Tab. 66: Tightening torques for screws according to DIN 7643, DIN 910, DIN 908

8.4.6 Standard torques for metric flange joints

Fig. 136: Flange joints overview
Standard torques for metric thread unions L series (up to 500 bar/
7252 Psi) for steel and iron cast part
According to ISO 9974-2/3 / ISO 6149-2/3 / DIN 3852-1/2, metric threading.
Information
Tolerances of the indicated tightening torques: 10%.
Always lubricate the thread before tightening these parts (engine oil).
Thread Y
M 10 x 1.0
M 12 x 1.5
KD62V12A 33521061401_1_1 EN_US
2023-10
Tightening torque Thread
7 Nm (5 ft-lb) M 24 x 1.5
7.5 Nm (6 ft-lb) M 26 x 1.5
7.5 Nm (6 ft-lb) M 27 x 2
15 Nm (11 ft-lb) M 30 x 1.5 115 Nm (85 ft-lb) M 48 x 1.5 300 Nm (221 ft-lb)
15 Nm (11 ft-lb) M 30 x 2
20 Nm (15 ft-lb) M 33 x 2
30 Nm (22 ft-lb) M 36 x 1.5 155 Nm (114 ft-lb) M 52 x 2
40 Nm (30 ft-lb) M 36 x 2
40 Nm (30 ft-lb) M 38 x 1.5 171 Nm (126 ft-lb) M 60 x 2
47 Nm (35 ft-lb) M 39 x 2
70 Nm (52 ft-lb) M 42 x 1.5 240 Nm (177 ft-lb) M 65 x 2
Form A with
sealing edge
9 Nm (7 ft-lb)
20 Nm (15 ft-lb) 30 Nm (22 ft-lb)
© 2023 by Kohler Co. All rights reserved.
Tightening torque
68 Nm (50 ft-lb)
75 Nm (55 ft-lb)
87 Nm (64 ft-lb)
115 Nm (85 ft-lb) M 48 x 2
120 Nm (89 ft-lb) M 52 x 1.5 380 Nm (280 ft-lb)
155 Nm (114 ft-lb) M 56 x 2
215 Nm (159 ft-lb) M 64 x 2
Form B with Form E with flat
sealing ring
18 Nm (13 ft-lb) 18 Nm (13 ft-lb)
25 Nm (18 ft-lb)
Standard tightening torques
Thread Tightening torque
M 42 x 2 240 Nm (177 ft-lb)
M 45 x 1.5 270 Nm (199 ft-lb)
M 45 x 2 270 Nm (199 ft-lb)
300 Nm (221 ft-lb)
380 Nm (280 ft-lb)
430 Nm (317 ft-lb)
510 Nm (376 ft-lb)
570 Nm (420 ft-lb)
620 Nm (457 ft-lb)
Form F with O-ring
sealing
15 Nm (11 ft-lb)
25 Nm (18 ft-lb)
Appendix
225