Fisher Controls International LLC

Thomas A Imsland

Jeffrey Dean Seyller

Philip D Nelson

Apparatus and methods to characterize fluid valves are disclosed. An example apparatus includes a fluid valve having a valve seat and a flow control member to sealingly engage the valve seat. The apparatus includes a sensor to detect a change in position of the flow control member. The apparatus includes a processor to determine at least one of a seating point or a breakout point corresponding to the flow control member based on the change in position.

Apparatus and methods to characterize fluid control valves

Position sensor mounts for mounting one or more position sensors to one or more various fluid control valves and/or actuators for such valves. One such position sensor mount includes a base, a toggle clamp fixedly attached to the base, and an engagement assembly. The base has a mount for coupling to a position sensor and a first clamp jaw. The toggle clamp has a second clamp jaw that opposes the first clamp jaw. The toggle clamp automatically adjusts to provide a fixed clamping force at different distances between the first clamp jaw and the second clamp jaw. The engagment assembly is carried by the second jaw and includes at least a first clamp pad having a distal end that directly faces the first clamp jaw and swivels relative to the second clamp jaw.

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Marshalltown, IA, United States of America

Thomas A Imsland