ARRANGEMENT FOR MOVING THE SPINDLE OF A VALVE, AND A VALVE

摘要

A spindle of a valve includes a frame part, with a bore having a valve spindle arranged in a movable manner within the bore. The valve spindle is fitted to be moved with an adjustment member that is connected to the frame part and can be rotated with respect to the frame part. The adjustment member includes an aperture, through which the valve spindle extends. The adjustment member includes an internal thread part that is fitted to the counterthreads of the spindle part wherein when the adjustment member is rotated the valve spindle moves along with the rise of the threads. Rolling members are fitted between the frame part and the adjustment member. The rolling members are positioned in an aperture or embedded into the first frame part or the adjustment member. A rolling groove is provided in the second frame part or the adjustment member.