Instruction Manual
D101554X012
Vee-Ball Valves
March 2021
11
Replacing the Ball Seal
Disassembly
Perform this procedure if the control valve is not shutting off properly or if seal inspection is necessary. If you find upon
inspection that the ball, shaft, or bearings need to be replaced, use this procedure to remove the ball seal. Then,
proceed to the Bearing and Ball Maintenance procedures. Then, return to this procedure and begin with the assembly
of the ball seal steps.
While the actuator/valve assembly must be removed from the pipeline, the actuator may remain mounted on the
valve as you replace the ball seal.
Key numbers are shown in figures 24, 25, and 26, unless otherwise indicated. Ball Seal assembly details (with key
numbers) are also shown in figures 8, 9, and 10.
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