METHODS AND APPARATUS FOR ESTIMATING A CONDITION OF A SEAL OF A ROTARY VALVE
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Sep 19, 2014
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Sep 19, 2012
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Methods and apparatus for estimating a condition of a seal of a rotary valve are disclosed. An example apparatus includes a housing and a processor positioned within the housing. The processor is to determine a seal wearing cycle of a flow control member of a rotary valve, the seal wearing cycle includes movement of the flow control member between a first position in contact with a seal and a second position. The processor is to determine a torque of an actuator operating the flow control member for the seal wearing cycle and estimate a condition of the seal based on the torque.
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