FIELD: valves.
SUBSTANCE: invention relates to valve nozzle (3) comprising drive (5), rod (6) connected to actuator (5), and control module (11) for controlling actuator (5). Actuator (5) is designed to displace rod (6), valve nozzle (3) being designed to be attached to valve body (2) so that displacement of rod (6) also causes valve element (9), located in valve body (2), if rod (6) is adjacent to stem (8) located in valve body (2). Stem (8) is connected to valve element (9). Novelty of the invention is that valve packing (3) comprises at least one reactance sensor (16, 18, 22) for detecting the presence of gap (15) between rod (6) and stem (8).
EFFECT: technical result is to increase the accuracy of the valve operation regulation, since the resistance sensor prevents the gap between the rod and the stem from occurring.
14 cl, 8 dwg
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