Patent ID: 8430377

Claim:
A valve comprising: a cup-shaped element having an outer surface on which a driver element is mountable and a flange having a surface for connecting the valve to a dispensing unit and a re-entrant portion defining a housing for a seal gasket, the re-entrant portion having a substantially circular configuration with a radial protuberance, the protuberance being superposed on a dispensing hole for the fluid when the valve is mounted on the dispensing unit; a core inserted in the cup-shaped element, the core comprising at least one seal element arranged to block a first fluid passage provided in a bush, the core being movable within the cup-shaped element against the action of an elastic element between a first position in which the seal element rests on the bush to close the first fluid passage and a second position in which the seal element is detached from the bush to open the first fluid passage, the bush being associated with a closure element for the cup-shaped element, the closure element cooperating with an inner surface of said cup-shaped element to fix the closure element to the cup-shaped element, wherein the core, the bush and the closure element are disposed on the same side of the surface of the flange for connecting the valve to the dispensing unit.