Valve upper part for controlling discharge of media from armature, has sealing device exhibiting sealing ring, where outside of sealing ring is provided with circulating groove, and sealing rims are formed by side walls of groove

摘要

The part has a head piece (1) centrically interspersed by using a spindle (2), where a valve is operatable by the spindle. A sealing device (5) is arranged between the valve and a valve seat (61), where the sealing device exhibits a sealing ring. The outside of the sealing ring is provided with a circulating groove, where sealing rims are formed by side walls of the circulating groove. The side walls of the circulating groove are formed in a diagonally outward running manner.