SHUT-OFF VALVE Russian patent published in 2022 - IPC F16K17/18 F16K17/26 F16K1/12 

FIELD: valve industry.

SUBSTANCE: invention relates to the valve industry and is intended for use as a shut-off body to shut off the flow of the working medium in the pipelines of power plants. Shut-off valve contains a body with branch pipes, a cover, a shut-off element fixed on a stem sealed by a bellows and interacting with a sealing seat. The cover is made in the form of a cylindrical bushing, in the inner cavity of which there is a rod with a bellows and a shut-off body, forming a locking block with them, installed in the body as a single assembly unit with sealing through an additional sealing element. The outer end of the lower end of the cover is provided with a sealing seat, the bellows is welded to the outer end of the upper end of the cover, and a passage channel is made in the side wall of the cover.

EFFECT: improved maintainability.

1 cl, 1 dwg