VALVE GATE ASSEMBLY TO BE USED WITH HYDRAULIC VALVES (VERSIONS)

摘要

FIELD: machine building.SUBSTANCE: sealing units to be used with hydraulic valves are described. The proposed version of the valve gate intended for use with hydraulic valves comprises a cage (328) and a sealing unit (330) which shall be installed at least either in the cage or in the cage locking member (326) or in the plunger (322). The sealing unit includes the first seal and the first wiper. The first seal shall press the first wiper to prevent dirt from entering the dynamic sealing surface to which the first seal is pressed. The sealing unit additionally comprises the second seal and the second wiper. The second seal shall press the second wiper. The sealing unit also includes a spacing gasket between the first and the second seals.EFFECT: improved seal.18 cl, 16 dwg