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A Woodward PID electric hydraulic cabinet actuator governor system.

7C.jpg A first generation hydraulic HR (horizontal relay valve) governor still in operation.Thumbnails7.A first generation hydraulic HR (horizontal relay valve) governor still in operation.Thumbnails7.A first generation hydraulic HR (horizontal relay valve) governor still in operation.Thumbnails7.A first generation hydraulic HR (horizontal relay valve) governor still in operation.Thumbnails7.