Control device for an hydraulic actuator, comprising: - a pump for feeding an operating fluid; - a delivery line connected to said pump; - a distributor of the operating fluid connected to said delivery line; - a discharge line connected to said distributor and intended for connection to a discharge of the operating fluid; - a bypass line arranged between said delivery line and said discharge line; - pressure control means arranged in said bypass line and configured to open at a first pressure value to allow a flow of fluid from said delivery line towards said discharge line; - a hydraulic line connected to said distributor and intended for connection to an hydraulic actuator; - control valve means arranged in said hydraulic line and comprising at least one first position in which it allows a supply flow from said distributor towards the hydraulic actuator and at least one second position in which it allows a discharge flow from the hydraulic actuator towards said distributor; - a pilot line arranged to pilot said control valve means and intended for connection to command means; - a safety line connecting said pilot line with a first portion of said hydraulic line between said control valve means and the hydraulic actuator; - safety valve means arranged in said safety line; characterized in that: - said safety valve means is configured to open at a second pressure value higher than said first pressure value to allow a flow of fluid from said first portion of said hydraulic line towards said pilot line; - said control device comprises an anti-vibration line connecting said pilot line with a second portion of said hydraulic line between said control valve means and said distributor; - said control device comprises anti-vibration valve means arranged in said anti-vibration line, wherein said anti-vibration valve means is normally closed to interrupt a flow of fluid in said anti-vibration line through said anti-vibration valve means and wherein said anti-vibration valve means is configured to open at a third pressure value lower than said first pressure value to allow a flow of fluid from said second portion of said hydraulic line towards said pilot line. - a pump for feeding an operating fluid; - a delivery line connected to said pump; - a distributor of the operating fluid connected to said delivery line; - a discharge line connected to said distributor and intended for connection to a discharge of the operating fluid; - a bypass line arranged between said delivery line and said discharge line; - pressure control means arranged in said bypass line and configured to open at a first pressure value to allow a flow of fluid from said delivery line towards said discharge line; - a hydraulic line connected to said distributor and intended for connection to an hydraulic actuator; - control valve means arranged in said hydraulic line and comprising at least one first position in which it allows a supply flow from said distributor towards the hydraulic actuator and at least one second position in which it allows a discharge flow from the hydraulic actuator towards said distributor; - a pilot line arranged to pilot said control valve means and intended for connection to command means; - a safety line connecting said pilot line with a first portion of said hydraulic line between said control valve means and the hydraulic actuator; - safety valve means arranged in said safety line; - said safety valve means is configured to open at a second pressure value higher than said first pressure value to allow a flow of fluid from said first portion of said hydraulic line towards said pilot line; - said control device comprises an anti-vibration line connecting said pilot line with a second portion of said hydraulic line between said control valve means and said distributor; - said control device comprises anti-vibration valve means arranged in