Sätt och anordning för rengöring av hydraulventiler

摘要

The valve detects a contamination such as accumulated dirt, a control signal is sent to the valve actuator and a stroke with a predetermined amplitude is produced for at least one piston-cylinder device connected to the valve in order to generate an alternating flow of fluid through the valve. - An INDEPENDENT CLAIM is also included for the cleaning apparatus, comprising a control device which can operate the valve actuator either manually or automatically.