Valve positioning device

The utility model relates to the technical field of automatic control, and discloses a valve positioning device. The valve positioning device comprises a feedback disc A and a feedback disc B, and is characterized in that a fixing installment hole is fixed at the center of the feedback disc A, the diameter of the fixing installment hole is larger than that of a valve rod of an adjustment valve, and further a positioning clamping groove is arranged on the feedback disc A. A connection hole is arranged at the center of the feedback disc B and fits a fracture surface of a positioning rod of a valve positioner, the feedback disc B is further provided with a metal rod, and the outer diameter of the metal rod is smaller than the width of the positioning clamping groove on the feedback disc A. When the valve positioning device is used, the feedback disc A is sleeved on the valve rod of the adjustment valve and is fixed through a screw; the feedback disc B is sleeved on the positioning rod of the valve positioner, th