an electromagnetic valve is provided with an elongated tappet guided axially displaceably in a tappet guide , and with a sealing body , embodied on the tappet , that can seal against a sealing seat . so that the valve can be produced more economically yet can be regulated more precisely , the sealing seat and the tappet guide are embodied in one piece . the adjustability of the valve is assured in particular by an adjusting ring .