US Patent 11054844 Sanitary insert part and use of such an insert part

A sanitary insert part (1), including a main body (2) which provides a radially oriented outer surface (3), and an elastic regulating body (4), wherein the base body (2) forms a regulating core (5) having a regulating profile (6) and a regulating gap (7) is formed between the regulating body (4) and the regulating profile (6), such that an opening cross section (8) of the regulating gap (7) can be varied by a pressure-dependent loading of the regulating body (4), characterized in that the main body (2) forms a radially outwardly open receptacle (9), the regulating body (4) is arranged in the receptacle (9), and an external diameter (10) of the regulating body (2) is matched to an outer diameter (11) of the outer surface (3).