Abstract: A discontinuous shaft assembly includes a first shaft arranged for rotation about a first axis and including an end arranged for placement adjacent the wall at a first desired location disposed on a first side of the wall, with a magnetic portion carried by the first shaft. The assembly also includes a second shaft arranged for rotation about a second axis and including an end arranged for placement adjacent the wall of the enclosure at a second desired location disposed on a second side of the wall, with a magnetic portion carried by the second shaft. The first magnetic portion is arranged to cooperate with the second magnetic portion so that rotation of the first shaft about the first axis causes rotation of the second shaft about the second axis.

Abstract: A valve target assembly includes a longitudinally-extending valve shaft having a first portion coupled to a flow control element. The valve target assembly also includes an enclosure having a plurality of walls cooperating to define a sealed interior portion, and a second portion of the shaft is disposed within the interior portion. A first detection member is disposed with the interior portion of the enclosure. A target support is coupled to a third portion of the valve shaft, and the target support is disposed outside of the interior portion. A first target is coupled to the target support, and in a first shaft position, the first target is adapted to be within a detection range of the first detection member. In a second shaft position, the first target is adapted to be outside of the detection range of the detection member.