ES211807U - Perfected passing key for fluids. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improved stopcock for fluids, characterized by consisting of a body of cylindrical walls in which a cylindrical distributor is housed, which remains supported on the flat seat of the bottom thereof and guided and maintained in its correct working position by the action of two upper curved bands, between which it is included; whose cylinder comprises a transverse passage orifice and two lateral recesses, diametrically opposed, provided with a central perforated projection, on which are adapted two springs that are covered by respective shutter buttons, whose buttons, in the closed position and by the action of their respective springs, support and make a closure are co on the O-rings fitted in the same valve body, next to the inlet and outlet mouths, so that the central, and enhanced part of the sealing buttons are it enters the calibrated steps of said entrance and exit, obtaining the opening of the key with the manipulation of a crosshead, mounted on the upper part of the body and equipped with a stem with a quadrupole truncated end which is inserted in the upper part of the sealing cylinder, whereby it rotates totally or partially the latter, so that the buttons slide on the cylindrical walls of the body po, thanks to the action of its springs and the curvature of its raised central areas, facilitating in any case the manipulation in both directions. (Machine-translation by Google Translate, not legally binding)