VALVE SEAL Russian patent published in 2023 - IPC F16K1/226 F16K1/26 F16K1/46 

FIELD: power engineering systems.

SUBSTANCE: invention relates to valve seals or gates in the structural units of units for various purposes in power engineering systems. The sealing assembly contains an annular sealing element located in the cavity formed by the following surfaces: the stem and bushing installed on the gate, the gate end face and the collar of the bushing. On both planes of the annular sealing element, a torus-shaped protrusion is symmetrically made. One protrusion to interact with the seat when closing, and the second protrusion is constantly pressed by the force of the spring of the unit by the shoulder of the sleeve to the tapered walls of the groove made on the surface of the gate end face.

EFFECT: increase in service life.

1 cl, 2 dwg