A mixer for mixing and conveying different fluids for a beverage filling plant, with at least one first container section for receiving a first starting fluid, with a second container section for receiving a second starting fluid. A first pump is disposed in a first conduit leading out of the first container section for supplying the first starting fluid to a mixing area, and a second pump is disposed in a second conduit leading out of the second container section for supplying the second starting fluid to the mixing area. The first pump and the second pump are driven by one synchronous motor each and each synchronous motor is connected to a frequency converter, and the first and the second container sections are in one common container. Also, a beverage filling plant with such a mixer and a method of operating such a beverage filling plant are disclosed.
