VALVE Russian patent published in 2013 - IPC F16K1/12 F16K15/02 

FIELD: machine building.

SUBSTANCE: valve includes a body with inlet and outlet branch pipes, an element with a sleeve on ribs and a seat, which is installed in the housing, a spring-loaded gate with a seal, which contacts the seat and is made in the form of a cap with a central groove, which interacts with the sleeve through inner diameter of the groove. The body consists of two parts of body 1 and inlet body 2, which are rigidly attached to each other. The sleeve on ribs and the seat are integral parts of body 1. Piston 4 is installed on end part of the sleeve. The central groove in the gate is stepped. Tight cover plate 8 is installed on end part of the central groove of the gate. Outer diameter of piston 4 interacts with a blind central groove of the gate of larger diameter.

EFFECT: invention allows enlarging the possibility of using the valve in parts of machine-building industry and simplifying the design.

5 cl, 1 dwg