A device for adjusting and removing a closing means (27, 29) in a final part (13) of a tubular element (3), comprising: a) a container (1) provided with a cover (4)； said container (1) having a lower part (16) and perimeter walls (17) extending from said lower part (16) to said cover (4), to thereby define an external lateral surface (40) of the container ( 1) and the lateral surface (24) of an internal chamber (18) of said container (1)； b) at least one connection (11) extending from said outer side surface (40) of the container (1) to couple said inner chamber (18) to the tubular element (3) of specified diameter； c) a rotating platform (19) inside said chamber (18) in the lower part (16) thereof, d) a pin (22) incorporated into said rotating platform (19)； e) an actuator (5) for rotating said pin (22)； f) at least one closing means (27, 29), which has a pointed end (30) intended to be received in said end part (13) of the tubular element (3) and a tail end (31) opposite the tip end (30)； g) a receiving housing (26) that is capable of receiving and retaining a first closing means (27) from said final part (13) of the tubular element (3)； and a release housing (28) that is capable of containing and releasing a second closing means (29), within said final part (13) of the tubular element (3)； each of said receiving and releasing housings (26, 28) provided with an opening for the passage of the closing means (27, 29) and being fixed on said rotating platform (19) with said opening rotated towards said perimeter walls ( 17).Un dispositivo para ajustar y retirar un medio de cierre (27, 29) en una parte final (13) de un elemento tubular (3), que comprende: a) un contenedor (1) provisto de una cubierta (4)； teniendo dicho contenedor (1) una parte inferior (16) y paredes perimetrales (17) que se extienden desde dicha parte inferior (16) hasta dicha cubierta (4), para de este modo definir una superficie lateral externa (40) del contenedor (1) y la superficie lateral (24) d
