Sampling apparatus

An apparatus for extracting a sample of a liquid or a gas product from a product chamber, comprising a sample chamber which is arranged in a housing or movement between a position projected into the product chamber and a position extracted from the product chamber, said housing being connected to a lateral side of the product chamber such as to surround an opening thereof in a sealing relation and having a product outlet as well as a plunger, the latter including said sample chamber and being supported for axial movement within said housing which is configured as a cylinder, characterized in that during normal operation said sample chamber is in a position projected into the product chamber and is movable toward the region of the product outlet only for collecting a sample of product, and that the plunger is sealed against the housing between the product outlet and the end of the housing protruding into the product chamber by means of a sealing ring and that said sealing ring is inserted in a recess in the lateral side of said housing.