Of the screen valve technology to improve or improve technology related to this

摘要

Flow control for the screen valve includes a valve plate of multi-opening, the valve plate is configured to perform a sliding against the multi-opening of the valve seat in the closed structure and open structure. Also, the valve plate includes an opening in one array, the openings are separated from one another by the elongate intermediate element, the intermediate element has an angle of 15~45 ° relative motion axis. Valve plate controls the movement via the actuator frame 274, is operatively connected to the actuator to perform a sliding against the valve seat. In addition, to allow the floating movement of the valve plate in the direction to be vertical to valve plate and connected to the actuator via an elastic support element 272. Initial state or the end state of the sliding is attenuated by at least one of the damping mechanism. Screen valve is configured to perform a lateral reciprocating motion, and a piston compressor or used for gas compression and / or expansion equipment, such as the expander.