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Thread Y
M 33 x 2.0
M 42 x 2.0
M 48 x 2.0
Tab. 72: Standard torques for metric thread unions S series, for aluminum
Standard torques for imperial thread unions L series (up to 500
bar/7252 Psi) for aluminum
According to ISO 1179-1 / DIN 3852-T2-Form X / DIN 3852-T3-Form X BSP threading.
Information
Tolerances of the indicated tightening torques: 10%.
Always lubricate the thread before tightening these parts (engine oil).
Thread Y
G 1/8A
G 1/4A
G 1/4A
G 3/8A
G 1/2A
G 1/2A
G 3/4A
G 1A
G 1 1/4A
G 1 1/2A
Tab. 73: Standard torques for imperial thread unions L series, for aluminum
Standard torques for imperial thread unions S series (up to 800
bar/11603 Psi) for aluminum
According to ISO 1179-1 / DIN 3852-T2-Form X / DIN 3852-T3-Form X BSP threading.
Information
Tolerances of the indicated tightening torques: 10%.
Always lubricate the thread before tightening these parts (engine oil).
Thread Y
G 1/8A
G 1/4A
G 1/4A
KD62V12A 33521061401_1_1 EN_US
2023-10
Form A with
sealing edge
120 Nm (89 ft-lb)
328 Nm (242 ft-lb)
192 Nm (142 ft-lb)
432 Nm (319 ft-lb)
232 Nm (171 ft-lb)
560 Nm (413 ft-lb)
Form A with sealing edge
7 Nm (5 ft-lb)
28 Nm (21 ft-lb)
28 Nm (21 ft-lb)
36 Nm (27 ft-lb)
52 Nm (38 ft-lb)
52 Nm (38 ft-lb)
72 Nm (53 ft-lb)
120 Nm (89 ft-lb)
192 Nm (142 ft-lb)
232 Nm (171 ft-lb)
Form A with sealing edge
29 Nm (21 ft-lb)
28 Nm (21 ft-lb)
28 Nm (21 ft-lb)
© 2023 by Kohler Co. All rights reserved.
Form B with
Form E with flat
sealing ring
248 Nm (183 ft-lb)
360 Nm (266 ft-lb)
432 Nm (319 ft-lb)
Form B with sealing ring
14 Nm (10 ft-lb)
28 Nm (21 ft-lb)
28 Nm (21 ft-lb)
56 Nm (41 ft-lb)
112 Nm (83 ft-lb)
80 Nm (59 ft-lb)
144 Nm (106 ft-lb)
264 Nm (195 ft-lb)
432 Nm (319 ft-lb)
504 Nm (372 ft-lb)
Form B with sealing ring
45 Nm (33 ft-lb)
44 Nm (32 ft-lb)
44 Nm (32 ft-lb)
Standard tightening torques
Form F with O-ring
sealing
248 Nm (183 ft-lb)
264 Nm (195 ft-lb)
336 Nm (248 ft-lb)
Form E with flat sealing
14 Nm (10 ft-lb)
28 Nm (21 ft-lb)
28 Nm (21 ft-lb)
56 Nm (41 ft-lb)
72 Nm (53 ft-lb)
72 Nm (53 ft-lb)
144 Nm (106 ft-lb)
248 Nm (183 ft-lb)
360 Nm (266 ft-lb)
432 Nm (319 ft-lb)
Form E with flat sealing
45 Nm (33 ft-lb)
32 Nm (24 ft-lb)
32 Nm (24 ft-lb)
Appendix
229
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