Transfer device for contamination-protected transfer of flowable process material between a first container and a second container, comprising: a) a guide tube having an axial passage for the flow of the process material, which guide tube has a connection means at one end and terminates with a tube edge at the other end; b) a transfer unit opening into the guide tube, which transfer unit permits engagement into the guide tube and on which at least one use-section is stored, which is provided with a first crimping and which can be peeled off from a tubular liner supply; c) a first tensioner with the temporary function to fix in a sealed manner: ca) a residual end of a liner residue originating from a previous transfer operation, forming a bag shape, is closed at the other end with a second crimping; or cb) a free open end of a new liner piece leading into the second container as a bag-shaped inner liner; d) a second tensioner, arranged circularly on the guide tube and concentric to the first tensioner, with the temporary function to fix in a sealed manner: da) the residual end; or db) the free end of the new liner piece; and e) a pressing unit which can be moved axially in accordance with the longitudinal extension of the guide tube on a lifting linkage and comprises an axial passage for temporarily accommodating the liner residue and/or the new liner piece internally, and a seal which has the temporary function to fix in a sealed manner solely the residual end resting against the tube edge or said end together with the free end of the new liner piece resting thereon or solely the free end of the new liner piece resting against the tube edge, characterized in that f) the pressing unit has a base part firmly connected to the lifting linkage and a pressing part elastically supported on the base part by means of a spring suspension and having the seal arranged thereon. a) a guide tube having an axial passage for the flow of the process material, which guide tube has a connection means at one end and terminates with a tube edge at the other end; b) a transfer unit opening into the guide tube, which transfer unit permits engagement into the guide tube and on which at least one use-section is stored, which is provided with a first crimping and which can be peeled off from a tubular liner supply; c) a first tensioner with the temporary function to fix in a sealed manner: ca) a residual end of a liner residue originating from a previous transfer operation, forming a bag shape, is closed at the other end with a second crimping; or cb) a free open end of a new liner piece leading into the second container as a bag-shaped inner liner; ca) a residual end of a liner residue originating from a previous transfer operation, forming a bag shape, is closed at the other end with a second crimping; or cb) a free open end of a new liner piece leading into the second container as a bag-shaped inner liner; d) a second tensioner, arranged circularly on the guide tube and concentric to the first tensioner, with the temporary function to fix in a sealed manner: da) the residual end; or db) the free end of the new liner piece; and da) the residual end; or db) the free end of the new liner piece; and e) a pressing unit which can be moved axially in accordance with the longitudinal extension of the guide tube on a lifting linkage and comprises an axial passage for temporarily accommodating the liner residue and/or the new liner piece internally, and a seal which has the temporary function to fix in a sealed manner solely the residual end resting against the tube edge or said end together with the free end of the new liner piece resting thereon or solely the free end of the new liner piece resting against the tube edge, characterized in that f) the pressing unit has a base part firmly connected to the lifting linkage and a pressing part elastically supported on the base part by means of a spring suspension and having the seal arranged thereon.