CONTROL VALVE Russian patent published in 2022 - IPC F16K1/00 

FIELD: valve building.

SUBSTANCE: invention relates to valve building, in particular to control valves used in industrial pipeline fittings. The control valve comprises a body with inlet and outlet branch pipes, a cover with a cover seal, a plunger having a cylindrical protrusion at the lower end, a seat with a seat seal, a plunger seal made in the form of a chevron package with control gaskets, fixed by a clamping nut, in which the wiper is placed. To the lower surface of the plunger around the cylindrical protrusion in the radial planes there are plates of a triangular shape. One side of the plates is attached to the lower surface of the plunger, and the second - to the side surface of the cylindrical ledge. On the surface of the plates there are holes arranged in one row, parallel to the lower surface of the plunger.

EFFECT: implementation of the proposed invention makes it possible to prevent the occurrence of cavitation.

1 cl, 3 dwg