ЗАПОРНОРЕГУЛИРУЮЩЕЕ УСТРОЙСТВО

摘要

FIELD: valving systems. ^ SUBSTANCE: control valving device comprises housing that receives gate valve provided with the sealing surface, passage, and opening in the seat and connected with the rod of the drive and valving member. The valving member is made of a ball plug mounted in the opening of the gate valve and provided with a spindle. The spindle has lever with pin. The housing receives the stop having a grove for permitting interaction of the pin of the lever of the ball plug spindle with the groove. ^ EFFECT: enhanced reliability and prolonged service life. ^ 3 dwg