| 摘要 |
Tap valve arrangement for tapping drink from a vessel, such as a beer barrel, into a glass or the like, with cooling of the tap valve arrangement, characterized in that a transparent chamber is connected to the valve or to the valve holder arrangement and cooling water runs through this chamber for the purpose of cooling the valve, and in that the arrangement is provided with members for admixing air in the form of visible air bubbles into the water running through the chamber, so that the flow of air bubbles through the chamber can be observed. <IMAGE> |
