Apparatus and method for testing motor operated valves

Details Apparatus and method for testing motor operated valves Apparatus and method for testing motor operated valves

G - Physics

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M

G01M 99/00 (2011.01) F16K 37/00 (2006.01) G01D 5/165 (2006.01) G01N 3/00 (2006.01) G21C 17/00 (2006.01) G21C 17/017 (2006.01) G01M 19/00 (2006.01)

Patent

CA 2142955

An apparatus, for testing a spring pack of a valve operator, includes a hollow housing with a coupling for attaching to the valve operator. A slider is received within the housing and moves therein when driven by a bolt that extends through a threaded aperture in the housing. A load sensor is attached to the slider and extends through the coupling and engages a valve operator component that is connected to the spring pack. As a technician turns the bolt, the apparatus compresses the spring pack within the valve operator and the load sensor produces an electrical signal that indicates how much force is exerted by the spring pack. At the same time, a transducer produces another electrical signal indicating the displacement of the spring pack.

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