Kohler KD62V12A Operation And Maintenance Manual page 227

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. 69: Standard torques for imperial thread unions L series, for steel and iron cast part
Standard torques for imperial thread unions S series (up to 800
bar/11603 Psi) for steel and iron cast part
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 1/4A
G 1/4A
G 3/8A
G 3/8A
G 1/2A
G 1/2A
G 3/4A
G 1A
G 1 1/4A
G 1 1/2A
Tab. 70: Standard torques for imperial thread union S series, for steel and iron cast part
KD62V12A 33521061401_1_1 EN_US
2023-10
Form A with sealing edge
9 Nm (7 ft-lb)
35 Nm (26 ft-lb)
35 Nm (26 ft-lb)
45 Nm (33 ft-lb)
65 Nm (48 ft-lb)
65 Nm (48 ft-lb)
90 Nm (66 ft-lb)
150 Nm (111 ft-lb)
240 Nm (177 ft-lb)
290 Nm (214 ft-lb)
Form A with sealing edge
35 Nm (26 ft-lb)
35 Nm (26 ft-lb)
45 Nm (33 ft-lb)
45 Nm (33 ft-lb)
65 Nm (48 ft-lb)
65 Nm (48 ft-lb)
90 Nm (66 ft-lb)
150 Nm (111 ft-lb)
240 Nm (177 ft-lb)
290 Nm (214 ft-lb)
© 2023 by Kohler Co. All rights reserved.
Form B with sealing ring
18 Nm (13 ft-lb)
35 Nm (26 ft-lb)
35 Nm (26 ft-lb)
70 Nm (52 ft-lb)
140 Nm (103 ft-lb)
100 Nm (74 ft-lb)
180 Nm (133 ft-lb)
330 Nm (243 ft-lb)
540 Nm (398 ft-lb)
630 Nm (465 ft-lb)
Form B with sealing ring
55 Nm (41 ft-lb)
55 Nm (41 ft-lb)
90 Nm (66 ft-lb)
90 Nm (66 ft-lb)
150 Nm (111 ft-lb)
130 Nm (96 ft-lb)
270 Nm (199 ft-lb)
340 Nm (251 ft-lb)
540 Nm (398 ft-lb)
700 Nm (516 ft-lb)
Appendix
Standard tightening torques
Form E with flat sealing
18 Nm (13 ft-lb)
35 Nm (26 ft-lb)
35 Nm (26 ft-lb)
70 Nm (52 ft-lb)
90 Nm (66 ft-lb)
90 Nm (66 ft-lb)
180 Nm (133 ft-lb)
310 Nm (229 ft-lb)
450 Nm (332 ft-lb)
540 Nm (398 ft-lb)
Form E with flat sealing
40 Nm (30 ft-lb)
40 Nm (30 ft-lb)
80 Nm (59 ft-lb)
80 Nm (59 ft-lb)
115 Nm (85 ft-lb)
115 Nm (85 ft-lb)
180 Nm (133 ft-lb)
310 Nm (229 ft-lb)
450 Nm (332 ft-lb)
540 Nm (398 ft-lb)
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