Dresser/Cooper Three Piece Ball Valves - Torque Charts
Maximum Expected Breakaway torque
(Runnign torques approximately 1/3 value
shown)
| Standard
Port |
|
Valve
Size
(inches)
|
Torque
(inch pounds)
|
|
1/4
& 3/8
|
30
|
|
1/2
|
30
|
|
3/4
|
40
|
|
1
|
90
|
|
1-1/4
|
190
|
|
1-1/2
|
280
|
|
2
|
390
|
|
2-1/2
|
600
|
|
3
|
800
|
| Full
Port |
|
Valve
Size
(inches)
|
Torque
(inch pounds)
|
|
1/4
& 3/8
|
30
|
|
1/2
|
40
|
|
3/4
|
90
|
|
1
|
190
|
|
1-1/4
|
280
|
|
1-1/2
|
390
|
|
2
|
600
|
|
2-1/2
|
800
|
|
3
|
1100
|
