Table #1b, Table #1a, Table #2 – Flowserve G4 Marathon Sleeveline Plug Valves User Manual
Page 12
Table #1b
*Apply Loctite
®
242 to fastener threads, top cap only.
Torque Required On Top Cap Fasteners Of Class 300 G4 Marathon Valves
VALVE SIZE
1
/
2
-
3
/
4
"
1"
1
1
/
2
"
2"
3"
4"
6"
8"
MAX TORQUE (ft-lbs)
7
13
13
20
31
62
125
115
SECTION V
B. VALVE ASSEMBLY – 1"-8" G4 MARATHON, G4R MARATHON
12
Flow Control Division
Section 1.0
Table #1a
*Apply Loctite
®
242 to fastener threads, top cap only.
Torque Required On Top Cap Fasteners Of Class 150 G4 Marathon Valves
VALVE SIZE
1
/
2
-
3
/
4
"
1"
1
1
/
2
"
2"
3"
4"
6"
8"
8N
MAX TORQUE (ft-lbs)
7
7
7
12
21
31
62
62
105
Table #2
Torque On Plug Adjusters Of G4 Marathon Valves, 150# And 300#
VALVE SIZE
1
/
2
-
3
/
4
"
1"
1
1
/
2
"
2"
3"
4"
6"
8"
8N
MAX TORQUE (in-lbs)
10
35
35
35
50
80
180
372
480
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®
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