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Valtek GS
14 Torque Requirements
Valtek GS
Presssure
Class
PN 16 / 40
Class 150
Nm
Class 300
PN 16 / 40
Class 150
ft lb
Class 300
Valtek GS
Presssure
Class
PN 16 / 40
Nm
Class 150 / 300
PN 16 / 40
ft lb
Class 150 / 300
Valtek GS
Presssure
Class
PN 16 / 40
Class 150
Nm
Class 300
PN 16 / 40
Class 150
ft lb
Class 300
Valtek GS
Presssure
Class
PN 16 / 40
Nm
Class 150 / 300
PN 16 / 40
ft lb
Class 150 / 300
15 Lubricants
Valve:
Static
lubrication
/
release agents
Actuator: Threads of the stem bushing flange bolting
Valve:
Initial
lubrication
Actuator: O-ring's (6.17, 6.50, 6.10, 6.51) and guide
on sliding
surfaces
20
FCD VLEEIM0300-05 (EN/A4) November 2022
Torque Requirements for
15
20
25
1/2"
3/4"
1"
12,5
7,3
9,2
9.2
5.4
6.8
Torque Requirements for
15
20
25
1/2"
3/4"
1"
40
30
Torque Requirements for
15
20
25
1/2"
3/4"
1"
13
10
9.6
7.4
Torque Requirements for
15
20
25
1/2"
3/4"
1"
40
30
Application site
Threads of the stem (2.2/2.4) and twist-lock
of the stem (2.3), thread of the seat (2.1) and
hex nut (2.6);
Bonnet-bolting (1.3/1.4) and head-bolting
(3.17/3.16)
Threads of the packing-follower (3.4), coupling
(5.2, 5.1, 5.3, 5.5) and yoke locknut (5.10)
(6.45), O-ring (6.9, 6.45), threads of the
stem (6.12) and actuator casing bolting
(6.3.1, 6.3.2, 6.4)
Guide of the plug (2.2), V-ring balancing (2.12)
Bellows anti-twist device (2.4)
(6.8.2)
BONNET NUTs (58)
32
40
50
-
1 1/2"
2"
26
19
17
22
-
21
27
19.2
14.0
12.5
16.2
-
15.5
19.9
SEAT RINGs (20)
32
40
50
-
1 1/2"
2"
100
162
74
120
HEAD NUTs (110)
32
40
50
-
1 1/2"
2"
22
14
-
12
16.2
10.3
-
8.9
PLUG and STEM (50, 6)
32
40
50
-
1 1/2"
2"
Valve - working temperature
Standard
Low
-40°C to
-60°C to
+400°C
-41°C
Klüberpaste HEL 46-450
[Chesterton 785 (FG) ]
N/A
without
HEL 46-450
[785 (FG)]
N/A
per nominal diameter
65
80
100
-
3"
4"
51
78
26
46
-
43
76
38
58
19.2
34
-
32
56
per nominal diameter
65
80
100
-
3"
4"
457
841
337
620
per nominal diameter
65
80
100
-
3"
4"
30
-
25
22
-
18.4
per nominal diameter
65
80
100
-
3"
4"
80
59
Actuator - ambient temperature
Oxygen
Standard
Oxygen
-40°C to
-40°C to 80°C
+160°C
Klüberalfa
N/A
YV 93-1202
Klüberalfa
Klüber
YV 93-1202
Unisilikon
[Fuchs
L250L
Gleitmo 599]
N/A
N/A
Klüber
Klüberalfa
Unisilikon
YV 93-1202
L250L
[Gleitmo 599]
125
150
-
6"
110
140
76
-
146
81
103
56
-
108
125
150
-
6"
1046
1653
772
1219
125
150
-
6"
44
24
-
46
17.7
-
34
125
150
-
6"
170
125
Optionally
-60°C to
+80°C
Klüber
Unisilikon
L250L
Klüberalfa
YV 93-1202
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