172-65742MA-01 (CT20/CT20D) 7 Oct 2021
18
Table of Tightening Torques
Part
Size
Torque
Distance Across Flats
mm
(in)
N·m
(lbf·ft)
mm
(in)
Guide Bushing
15 to 80
(
1
/
2
to 3)
50
(37)
24
(
15
/
16
)
100, 150
(4, 6)
80
(59)
27
(1
1
/
16
)
Valve Bonnet Nut
15 to 25
(
1
/
2
to 1)
30
(22)
16/17
1)
(
5
/
8
/
21
/
32
)
1)
40, 50
(1
1
/
2
, 2)
50
(37)
18/19
1)
(
11
/
16
/
3
/
4
)
1)
65, 80
(2
1
/
2
, 3)
100
(73)
24
(
15
/
16
)
100, 150
(4, 6)
150
(110)
30
(1
3
/
16
)
Valve Seat
15 to 25
(
1
/
2
to 1)
170
(124)
Special tool required
2)
40, 50
(1
1
/
2
, 2)
500
(368)
65, 80
(2
1
/
2
, 3)
1050
(774)
100
(4)
1550
(1143)
150
(6)
2600
(1918)
Fixing Nut
15 to 150
(
1
/
2
to 6)
150
(110)
Special tool required
2)
Stem Connector
Nut, Locknut
15 to 80
(
1
/
2
to 3)
50
(37)
16/17
1)
(
5
/
8
/
21
/
32
)
1)
100, 150
(4, 6)
120
(88)
24
(
15
/
16
)
Stem Bracket
Bolt
240 cm
2 3)
(0.37 in
2
)
3)
5
(4)
8
(
5
/
16
)
350 cm
2 3)
(0.54 in
2
)
3)
9
(6.5)
9
(
11
/
32
)
700 cm
2 3)
(1.08 in
2
)
3)
9
(6.5)
9
(
11
/
32
)
Drain Plug
4)
15 to 150
(
1
/
2
to 6)
50
(37)
1)
Size depends on bolt specifications.
(1 N
m
10 kg
cm)
2)
Contact TLV for details.
3)
Actuator area
4)
Rc(PT)
1
/
2
, other standards available. Torque values with sealing tape wrapped 3 to 3.5
turns around the threads
NOTE: -Coat all threaded portions with anti-seize.
-If drawings or other special documentation were supplied for the product, any torque
given there takes precedence over values shown here.
