Fisher Controls International LLC

Bret Dahme

Aaron Shelly

Methods and apparatus to analyze valve characteristics are disclosed. A disclosed example apparatus to determine at least one characteristic of a valve includes at least one memory, machine readable instructions, and processor circuitry to at least one of instantiate or execute the machine readable instructions to partition a valve stroke curve of the valve to define bins thereof, the valve stroke curve corresponding to stroke data of the valve, filter data points associated with a seat contact portion of the valve stroke curve, fit curves of the bins to define fitted curves, and characterize a seat contact of the valve based on the fitted curves.

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Tama, IA, United States of America

Bret Dahme