The invention relates to a solid matter valve for pressurized cans, in particular for the dispensing/discharging of assembly foams, with a valve disk (1), a valve body (2) arranged in the valve disk (1), a stem (3) mounted in a central cuts out (21) of the valve body (2) and having at least one inlet opening (33) for the contents of the pressurized can, said opening being cleared by actuation of the stem (3), with at least one discharge opening, a duct (34) connecting the inlet opening (33) with the discharge opening, at least one sealing element (23) acting between the valve body (2) and the stem (3), as well as a spring element (40), wherein the stem (3) is designed so as to form two parts, the upper part (3a) being connected to the lower part (3b) in a form-closed or force-closed manner, a circumferential elastic diaphragm (22) integrally connecting the valve body (2) to the upper part (3a) of the stem (3), and the two parts (3a, 3b) of the stem (3) forming a functional unit which accommodates the duct (34).