Section 11
Specifications
20413013
8-2012/Rev 10
11-11
11.6 Torque Specifications
Measurements are made with lubricated components and a certified, calibrated torque wrench.
Inconsistencies in wrench settings, lubrication and technique may not produce a leak free seal. If
leakage occurs, the torque can be increased to seal the components. However, do not exceed the
recommended torque value by more than 15 percent. If leakage persists, there is a component
problem.
Excessive torque can cause component damage or failure, resulting in potential
hazards to equipment and personnel.
Torque Specifications
7/8 inch (22 mm)
Diameter Plunger
1-1/8 inch (29 mm)
Diameter Plunger
Hard Seal End Cap
Jackbolts 6 (7/16”) each 8 (7/16”) each
1st Stage Hand Tight Hand Tight
2nd Stage 20 ft-lbs (27 Nm)
Crossing Pattern
20 ft-lbs (27 Nm)
Crossing Pattern
3rd Stage 32-35 ft-lbs (43-47 Nm)*
Crossing Pattern
32-35 ft-lbs (43-47 Nm)*
Crossing Pattern
4th Stage 32-35 ft-lbs (43-47 Nm)*
Clockwise Pattern From Bolt 1
32-35 ft-lbs (43-47 Nm)*
Clockwise Pattern From Bolt 1
Socket Wrench Size 3/8 inch 3/8 inch
6-Bolt Crossing Pattern 8-Bolt Crossing Pattern
* Note: A maximum torque of 38 ft-lbs (51 Nm) is etched on the hard seal end cap. This represents
the maximum allowable torque, not the recommended torque.
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