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Appendix
Standard tightening torques
Standard torques for metric thread unions L series (up to 500 bar/
7252 Psi) for aluminum
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
M 14 x 1.5
M 16 x 1.5
M 18 x 1.5
M 22 x 1.5
M 26 x 1.5
M 33 x 2.0
M 42 x 2.0
M 48 x 2.0
Tab. 71: Standard torques for metric thread unions L series, for aluminum
Standard torques for metric thread unions S series (up to 800 bar/
11603 Psi) for aluminum
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
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
M 27 x 2.0
228
Form A with
sealing edge
7 Nm (5 ft-lb)
14 Nm (10 ft-lb)
16 Nm (12 ft-lb)
24 Nm (18 ft-lb)
28 Nm (21 ft-lb)
36 Nm (27 ft-lb)
36 Nm (27 ft-lb)
52 Nm (38 ft-lb)
44 Nm (32 ft-lb)
64 Nm (47 ft-lb)
52 Nm (38 ft-lb)
112 Nm (83 ft-lb)
72 Nm (53 ft-lb)
152 Nm (112 ft-lb)
120 Nm (89 ft-lb)
272 Nm (201 ft-lb)
192 Nm (142 ft-lb)
400 Nm (295 ft-lb)
232 Nm (171 ft-lb)
504 Nm (372 ft-lb)
Form A with
sealing edge
-
16 Nm (12 ft-lb)
28 Nm (21 ft-lb)
28 Nm (21 ft-lb)
44 Nm (32 ft-lb)
36 Nm (27 ft-lb)
56 Nm (41 ft-lb)
44 Nm (32 ft-lb)
88 Nm (65 ft-lb)
44 Nm (32 ft-lb)
120 Nm (89 ft-lb)
52 Nm (38 ft-lb)
136 Nm (100 ft-lb)
72 Nm (53 ft-lb)
216 Nm (159 ft-lb)
© 2023 by Kohler Co. All rights reserved.
Form B with
Form E with flat
sealing ring
14 Nm (10 ft-lb)
20 Nm (15 ft-lb)
36 Nm (27 ft-lb)
44 Nm (32 ft-lb)
56 Nm (41 ft-lb)
100 Nm (74 ft-lb)
144 Nm (106 ft-lb)
248 Nm (183 ft-lb)
360 Nm (266 ft-lb)
432 Nm (319 ft-lb)
Form B with
Form E with flat
sealing ring
-
19 Nm (14 ft-lb)
32 Nm (24 ft-lb)
32 Nm (24 ft-lb)
56 Nm (41 ft-lb)
72 Nm (53 ft-lb)
100 Nm (74 ft-lb)
108 Nm (80 ft-lb)
144 Nm (106 ft-lb)
Form F with O-ring
sealing
12 Nm (9 ft-lb)
20 Nm (15 ft-lb)
28 Nm (21 ft-lb)
32 Nm (24 ft-lb)
36 Nm (27 ft-lb)
48 Nm (35 ft-lb)
80 Nm (59 ft-lb)
128 Nm (94 ft-lb)
168 Nm (124 ft-lb)
208 Nm (153 ft-lb)
Form F with O-ring
sealing
28 Nm (21 ft-lb)
36 Nm (27 ft-lb)
44 Nm (32 ft-lb)
56 Nm (41 ft-lb)
64 Nm (47 ft-lb)
100 Nm (74 ft-lb)
136 Nm (100 ft-lb)
KD62V12A 33521061401_1_1 EN_US
-
2023-10
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