Operation and Maintenance Manual
Standard torques
Tube
diameter X
Thread Y
WH TH SWVE
Nm ft lb Nm ft lb Nm ft lb
25 M 33 x 2.0 360 270 360 270
30 M 42 x 2.0 540 400 540 400
38 M 48 x 2.0 700 520 700 520
Tab. 40
Imperial flange joints, series L (light)
Tube
diameter X
Thread Y
Form A with sealing ring Form B with edge seal Form E with flat (ED) seal
Nm ft lb Nm ft lb Nm ft lb
6 G 1/8A 9 6.6 18 13 18 13
8 G 1/4A 35 26 35 26 35 26
10 G 1/4A 35 26 35 26 35 26
12 G 3/8A 45 33 70 52 70 52
15 G 1/2A 65 48 140 100 90 66
18 G 1/2A 65 48 100 75 90 66
22 G 3/4A 90 66 180 130 180 130
28 G 1A 150 110 330 240 310 230
35 G 1 1/4A 240 180 540 400 450 330
42 G 1 1/2A 290 210 630 470 540 400
Tab. 41
Tube
diameter X
Thread Y
WH TH SWVE
Nm ft lb Nm ft lb Nm ft lb
6 G 1/8A 18 13 18 13 18 13
8 G 1/4A 45 33 45 33 40 29
10 G 1/4A 45 33 45 33 40 29
12 G 3/8A 70 52 70 52 65 48
15 G 1/2A 120 88 120 88 90 66
18 G 1/2A 120 88 120 88 90 66
22 G 3/4A 230 170 230 170 125 92
28 G 1A 320 240 320 240
35 G 1 1/4A 540 400 540 400
42 G 1 1/2A 700 520 700 520
Tab. 42
KD27V12 33521029401_3_1 en 2017-07-01
© 2017 by Kohler Co. All rights reserved.
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