This general resource corp SP23991 rotary valve 3-1/4" bore 1-7/16" shaft dia is a flow-control valve. It regulates or directs the flow of fluid or air within a fluid power circuit, switching or metering flow as its actuator or solenoid is energized. Key specifications noted on this listing include 3-1/4" Bore. It is commonly in hydraulic power units, pneumatic control panels, and industrial process piping.
