Kohler KD83V16 User Manual

Operation and Maintenance Manual Appendix
Standard tightening torques
8.4.8 Standard torques for imperial thread unions S series (up to 800
bar/11603 Psi)
Pipe diam.
X
Thread Y Form A with sealing
ring
Form B with sealing
edge
Form E with flat
sealing
Nm ft/lb Nm ft/lb Nm ft/lb
6 G 1/4A 35 25.81 55 40.57 40 29.5
8 G 1/4A 35 25.81 55 40.57 40 29.5
10 G 3/8A 45 33.19 90 66.38 80 59
12 G 3/8A 45 33.19 90 66.38 80 59
14 G 1/2A 65 47.94 150 110.63 115 84.82
16 G 1/2A 65 47.94 130 95.88 115 84.82
20 G 3/4A 90 66.38 270 199.14 180 132.76
25 G 1A 150 110.63 340 250.77 310 228.64
30 G 1 1/4A 240 177.01 540 398.28 450 331.9
38 G 1 1/2A 290 213.89 700 516.29 540 398.28
Tab. 52: Standard torques for imperial thread union S series, part 1 – see figure above
Pipe diam. X Thread Y WH TH SWVE
Nm ft/lb Nm ft/lb Nm ft/lb
6 G 1/4A 45 33.19 45 33.19 40 29.5
8 G 1/4A 45 33.19 45 33.19 40 29.5
10 G 3/8A 70 51.63 70 51.63 65 47.94
12 G 3/8A 70 51.63 70 51.63 65 47.94
14 G 1/2A 120 88.51 120 88.51 90 66.38
16 G 1/2A 120 88.51 120 88.51 90 66.38
20 G 3/4A 230 169.64 230 169.64 125 92.2
25 G 1A 320 236.02 320 236.02
30 G 1 1/4A 540 398.28 540 398.28
38 G 1 1/2A 700 516.29 700 516.29
Tab. 53: Standard torques for imperial thread union S series, part 2– see figure above
8.4.9 Standard torques for metric thread unions L series (up to 500 bar/
7252 Psi) for aluminum
Pipe diam. X Thread Y Form A with sealing
ring
Form B with
sealing edge
Form E with flat
sealing
Nm ft/lb Nm ft/lb Nm ft/lb
6 M 10 x 1,0 15 11.06 12 8.85
8 M 12 x 1,5
KD83V16 33521030601_0_1 EN_US
2018-07
© 2018 by Kohler Co. All rights reserved.
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Kohler KD83V16 Specifications

General

Brand	Kohler
Model	KD83V16
Category	Engine
Language	English