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Dispositivo graduador del caudal de un fluido a través de un elemento valvular, que se caracteriza por constituirse esencialmente de un disco fijado, mediante atornillado, a la base de dicho elemento valvular y dotado en su borde de un cuarto de vuelta con dentado perimetral, más una palanca giratoria, solidaria del eje valvular, provista de otra palanca impulsada por un resorte helicoidal, con la que se fija en el indicado dentado la posición gradual elegida para la apertura de la válvula.
ES1982268039U1982-10-211982-10-21"dispositivo graduador del caudal de un fluido a traves de un elemento valvular".
PendingES268039U
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