The sliding element includes a sliding plate and a sealing device that includes at least one sealing element, which forms a sealing frame that is arranged on a rear side of the sliding plate and that extends peripherally along an edge of the sliding plate. The sliding plate includes a base plate and a flange plate, which is offset from the base plate, which is connected in one piece to the base plate and which is separated at its edge from the base plate by a circumferential anchor groove, which anchor groove serves for holding the at least one sealing element, which at least one sealing element includes an anchor member that is inserted into the anchor groove and that is connected via a connection body to a compression member.