Abstract: A control valve (1) with a valve housing (13) through which a flow channel (14) runs with a flow cross section changeable by a closure unit consisting of a valve seat and a valve cone which is adjustable relative to the valve seat. An adjusting device has a sliding unit (2) with a sliding rod (21) adjusting the valve cone over an adjustment path and a drive device acting on the sliding rod and controlled by a controller. The controller has a measuring unit (4) which detects the adjustment path via a transmission unit. The transmission unit is provided with an adapter unit (3) comprising a replaceable structural unit, between the sliding unit (2) and the measuring unit (4), said adapter unit converting the adjustment stroke into a measurement stroke specified by the measuring unit (4) in a manner corresponding to a transmission ratio specified by the adapter unit.

Abstract: A control valve (1) with a valve housing (13) through which a flow channel (14) runs with a flow cross section changeable by a closure unit consisting of a valve seat and a valve cone which is adjustable relative to the valve seat. An adjusting device has a sliding unit (2) with a sliding rod (21) adjusting the valve cone over an adjustment path and a drive device acting on the sliding rod and controlled by a controller. The controller has a measuring unit (4) which detects the adjustment path via a transmission unit. The transmission unit is provided with an adapter unit (3) comprising a replaceable structural unit, between the sliding unit (2) and the measuring unit (4), said adapter unit converting the adjustment stroke into a measurement stroke specified by the measuring unit (4) in a manner corresponding to a transmission ratio specified by the adapter unit.