Fecha de publicación: -- Fuente: WIPO "wine" The invention relates to wine making, in particular to fermentation plants for preparation of wine material according to “red” and “white” methods. A plant for fermentation of sugar-containing media, which involves at least two fermentation chambers, which are connected between them, and valve for alternate discharge of fermentation gases from them, which consists of disposed in one of fermentation chambers float with rod equipped with two limit stops and body with disposed therein two shutoff elements and two coaxial saddles, which divide body cavity into three sections disposed one above another, the middle of them is equipped with outlet nipple, one of extreme ones is connected to upper parts of unpaired fermentation chambers, and another one is connected to upper parts of paired ones, at that shutoff elements are fixed on rod, and float is placed on it with a possibility of axial movement between limit stops.