VALVE ACTUATOR, VALVE AND METHOD FOR ACTING A VALVE

摘要

Valve actuator, valve and valve method for operating a valve this invention refers to a valve actuator that comprises a screw element attached to a valve rod and a sleeve, so that the mango rotation causes the valve rod to be translated. The sleeve has a first end which is rotated coupled to a dwelling, which is fixed to a valve body,And a second end projecting out of the accommodation. The valve rod is partially arranged inside the sleeve and extends into the valve body. A transmission is attached to the accommodation and attached to the sleeve. An engine is coupled to the transmission so that the operation of the engine causes the sleeve to rotate.