Patent ID: 8746657
Filing Date: 2014-06-10
Classification: F16J,F16K,Y10T

Abstract:
1. A multi-piece valve disk of a sliding and/or seat valve for the flow control of beverages, food, pharmaceutical or biotechnical products, the valve disk being shiftable in a linear direction of adjustment in relation to a wall of a seat and comprising at least one ring seal disposed in a ring groove of the valve disk, the ring seal including: a backup ring including an indentation ring groove facing radially outwards or being oriented one of axially or obliquely outwards with axial and radial direction components, the indentation ring groove including a base disposed between two substantially parallel ring ribs; an elastic sealing ring with an approximately C-shaped cross-section including: a second sealing ring disposed on a respective backup ring, wherein the backup rings are oriented in different rotational positions and the sealing rings have the same shape.