Patent attributes
An aseptic valve device for the separation of hostile media including a housing which has connection pieces, each of specific opening cross section, for at least two pipelines which can communicate with one another in the housing via a connecting orifice of specific opening cross section, and a valve arrangement for the selective closing and release of the connecting orifice, the valve arrangement having at least one valve seat and at least one valve disk, the valve disk having a sealing face cooperating with the valve seat and a middle connecting portion which is connected to a valve stem, and the valve disk having a tubular extension which serves for the outflow of a medium, and a drainage portion extending obliquely or orthogonally with respect to the plane spanned by the sealing face of the valve disk and has a plurality of drainage orifices.