Patent ID: 9010729
Filing Date: 2015-04-21
Classification: F16K

Abstract:
1. A membrane valve comprising a first and a second valve housing part and having a membrane clamped between the valve housing parts, wherein the second valve housing part has an essentially planar portion at least in the region of a parting plane of the two valve housing parts, and a recess is provided on the first valve housing part, wherein the membrane comprises a peripherally surrounding bead fixed and supported between the first and the second housing parts and a thin and an axially movable membrane portion adjacent thereto dividing the bead in a protruding upper portion and a protruding lower portion, the protruding lower portion of the bead contacting the essentially planar portion of the second housing part in the region of the parting plane and being provided with an undercut side face at its radial inner side, wherein the recess on the first valve housing part receives the protruding upper portion of the bead and wherein at least one fluid channel opens into the second valve housing part.