Standard Torques For Vsti Screw Plugs - Kohler KD62V12 Operation And Maintenance Manual

Appendix
Standard tightening torques
Series
4
5
6
8
10
12
16
16
20
24
28
32
Tab. 57: Standard torques for triple lock flange joints
Information
To tighten the screwed socket, proceed like following:
u Hold screwed socket instead.
u Unscrew union nut until noticeable resistance (without wrench extension).
u Tighten union nut according torque above.

8.4.13 Standard torques for VSTI screw plugs

Fig. 117: VSTI screw plugs with ED seal (left), with o-ring (right)
Size
M8x1
M10x1
M12x1.5
170
Pipe diam. X
mm inch
6 1/4 7/17-20
8 5/16 1/2-20
10 3/8 9/16-18
12 1/2 3/4-16
14, 15, 5/8 7/8-14
16
18, 20 3/4 1 1/16-12
22 7/8 1 5/16-12
25 1 1 5/16-12
28 1 5/8-12
30, 32 1 1/4 1 5/8-12
35 1 7/8-12
38 1 1/2 1 7/8-12
42 2 1/4-12
2 2 1/2-12
Tightening torque
VSTI ED VSTI o-ring
1)
10 Nm 10 Nm
7 ft-lb 7 ft-lb
12 Nm 20 Nm
9 ft-lb 15 ft-lb
25 Nm 35 Nm
18 ft-lb 26 ft-lb
© 2019 by Kohler Co. All rights reserved.
Operation and Maintenance Manual
Thread Z Nm
UN/UNF Steel
15
20
30
60
75
110
135
175
260
260
340
340
380
450
Size
G 1/8
G 1/4
G 3/8
ft/lb Nm ft/lb
Stainless steel
11.06 30 22.13
14.75 40 29.5
22.13 60 44.25
44.25 115 84.82
55.32 145 106.95
81.13 180 132.76
99.57 225 165.95
129.07 255 188.08
191.77 295 217.58
191.77 295 217.58
250.77 345 254.46
250.77 345 254.46
280.27 400 295.02
331.9 470 346.65
Tightening torque
VSTI ED VSTI o-ring
1)
13 Nm -
10 ft-lb
30 Nm -
22 ft-lb
60 Nm -
44 ft-lb
KD62V12 33521030301_6_1 EN_US
2019-02