Equipment for pasteurisation of beverages. Very simple pasteurizer designed as vat. Bottles with beer or other beverage cider are shortly submersibled in hot water. This pasteurizer has advantage that also bottles are well cleaned from outside during the pasteurizing process. The pasteuriser is an integral part of the beer or other beverage production process. Keeping the right method of pasteurisation is incredibly important for managing of beverage product quality and achieving low production costs.