An assembly for dispensing a beverage, said assembly (1,1') comprising: at least one pressure chamber; a dispensing line; a dispensing tap; a beverage container made of a collapsible material, said beverage container comprising a curved bottom, a cylindrical wall, a curved shoulder, a neck part having an outlet and a connecting element arranged at the outlet, a heat transfer system, said heat transfer system being adapted to provide cooling to said pressure chamber; said pressure chamber being adapted during use to accommodate said beverage container, said pressure chamber comprises a wall and a lid defining the accommodation for the beverage container), said lid is detachable from or pivotably attached to said wall, said beverage container is connected to said lid of said pressure chamber by means of said connecting element, thereby obtaining a sealing between the lid and beverage container; said pressure chamber is furthermore provided with a pressure source, said pressure source being adapted to provide a predetermined pressure to the pressure chamber; and during use of the assembly (1, 1') said dispensing line is connectable with an outlet of said beverage container and extends from the outlet through an opening in the lid of the pressure chamber to said dispensing tap, whereas during transportation, said dispensing line is coiled up and placed inside said connecting element, a dispensing valve is arranged in connection with said dispensing line and a cover is arranged over a bottom of said connection element for protecting said dispensing line, wherein the dispensing of beverage is carried out by providing the predetermined pressure to the pressure chamber and as the dispensing line is being opened at the dispensing tap the pressure source will apply a pressure to the exterior of the beverage container, which will start to collapse, whereby the beverage will be forced out of the beverage container into the dispensing line and out at the dispensing tap without said beverage per se being supplied with or being in contact with any gas during the dispensing. at least one pressure chamber; a dispensing line; a dispensing tap; a beverage container made of a collapsible material, said beverage container comprising a curved bottom, a cylindrical wall, a curved shoulder, a neck part having an outlet and a connecting element arranged at the outlet, a heat transfer system, said heat transfer system being adapted to provide cooling to said pressure chamber; said pressure chamber being adapted during use to accommodate said beverage container, said pressure chamber comprises a wall and a lid defining the accommodation for the beverage container), said lid is detachable from or pivotably attached to said wall, said beverage container is connected to said lid of said pressure chamber by means of said connecting element, thereby obtaining a sealing between the lid and beverage container; said pressure chamber is furthermore provided with a pressure source, said pressure source being adapted to provide a predetermined pressure to the pressure chamber; and during use of the assembly (1, 1') said dispensing line is connectable with an outlet of said beverage container and extends from the outlet through an opening in the lid of the pressure chamber to said dispensing tap, whereas during transportation, said dispensing line is coiled up and placed inside said connecting element, a dispensing valve is arranged in connection with said dispensing line and a cover is arranged over a bottom of said connection element for protecting said dispensing line, wherein the dispensing of beverage is carried out by providing the predetermined pressure to the pressure chamber and as the dispensing line is being opened at the dispensing tap the pressure source will apply a pressure to the exterior of the beverage container, which will start to collapse, whereby the beverage will be forced out of the beverage container into the dispensing line and out at the dispensing tap without said beverage per se being supplied with or being in contact with any gas during the dispensing.