A hydraulic valve, in particular a hydraulic transmission valve including a magnetizable housing which envelops a magnet coil at an outer circumference and at least at one face of the magnet coil; a pole cap arranged in an interior of the housing, wherein the pole cap includes a pole core and a pole tube arranged in an axial sequence towards a face of the magnet coil, wherein the pole core and the pole tube are integrally connected in one piece by a connection bar, wherein the pole core is connected with the connection bar by a pole core cone and/or the pole tube is connected with the connection bar by a pole tube cone, and wherein the pole tube includes an end that is closed with a termination plate at a face of the pole tube that is oriented away from the connection bar.