Patent ID: 9683664
Date: 2017-06-20
CPC Classifications: F16K

Claim:
1. A double seat valve comprising a valve housing having a first valve seat and a second valve seat, a first closing element and a first displacement rod that is connected to the first closing element for moving the first closing element into sealing abutment with the first valve seat, a second closing element and a second displacement rod that is connected to the second closing element for moving the second closing element into sealing abutment with the second valve seat, and a leakage chamber arranged intermediate the first and second closing elements, wherein the closing elements can be lifted independently of one another from their sealing abutment with the respective valve seat, and the second closing element is connected to the second displacement rod via spokes that extend radially outwards from the second displacement rod to the second closing element, such that interspaces are formed between the spokes for allowing fluid to flow from the leakage chamber and into a drain passage, wherein at least one of the spokes comprises