Closure part for a barrel (glass, rubber, wood, ceramic, plastic, silicone) that is inserted into the bunghole. To allow gas to escape or ventilation, the bung can also be inserted loosely or it has a corresponding device (valve) that only allows this in one direction. This is also called a fermentation bung (see fermentation bung). In this case, the barrel is stored so that the bunghole is at the top. If you want to ensure that no ventilation can take place during the barrel expansion, then the barrel is...
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Roman Horvath MW
Domäne Wachau (Wachau)