ES293815U - Valve for the supply of liquid and semi-finished products (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Valve for the supply of liquid and semi-liquid products, especially for the supply by gravity from a container tank, characterized in that it comprises a valve body that defines two chambers, one anterior and one posterior, interconnected with each other and crossed both by a stem or axially displaceable needle; whose anterior chamber has a radial entrance hole to which a line from the product container tank is connected, and opens out frontally into an opening in which a nozzle equipped with a calibrated outlet opening is mounted, running inside said nozzle the axial rod, which is terminated at its end in a tip capable of sealing the nozzle outlet hole; while in the camera; a piston mounted integrally on the stem is housed thereon; whose plunger is displaceable, together with the shank, between two limit positions, an anterior one, in which said shank closes, the exit orifice of the nozzle, and a later one, in which said orifice opens; the piston being constantly driven towards its previous position by a spring, the rear chamber further having a radial inlet located in front of the piston, to which a conduit from a source of supply of air pressure is connected, for the displacement of the piston. Plunger towards its rear position. (Machine-translation by Google Translate, not legally binding)