Actuator for valve, in particular turbine valve
A technology of regulating mechanism and valve stem, which is applied in the direction of valve details, valve operation/release device, valve device, etc., can solve the problems of troublesome maintenance measures, high cost, poor stability, etc., and achieve the effect of reliable operation
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[0049] figure 1 A longitudinal sectional view of the adjusting mechanism 1 of a valve, in particular a turbine valve, is shown. The adjustment mechanism extends along a longitudinal axis 37, and along the axis 37 there are successively one for adjusting figure 1 Valve rod 3 , an energy storage device 7 and a drive element 5 in the opening position of the valve, not shown in detail. The drive part 5 , the energy storage device 7 and the valve rod 3 are here arranged at least partially in a housing 29 . The energy storage device has a spring element 21 , wherein the spring element 21 is assembled from a plurality of disk springs 23A, 23B arranged along a longitudinal axis 37 adjacent to each other. The driving part 5 is coupled to the valve stem 3 via an energy storage device 7 . The energy storage device 7 is coupled to the valve stem 3 via a damping piston 27 formed on the bottom 5 of the energy storage device 7 . To this end, the valve stem 3 is connected to the damping p...
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