FIELD: machine building.
SUBSTANCE: control valve includes body determining the position of longitudinal axis and having the inlet, the outlet, as well as fluid medium channel passing from inlet to outlet. Besides valve has in fact cylindrical seat located inside the valve body and chosen as to the size to arrange the gate valve in it. At that, valve seat has at least one hole including at least a section of flow passage for fluid medium, and some part of valve seat is located near the valve body section at the contact zone. There provided is the sealing having C-shaped section and located at the contact zone between valve seat and body. Besides there is the stopper located near the contact surface and serving to prevent the offset of the sealing along longitudinal axis.
EFFECT: enhanced operating reliability.
36 cl, 9 dwg
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