A packaging process comprising: providing an evacuation station having a first chamber , a second chamber , and a dividing wall , the dividing wall separating the first chamber from the second chamber and having a gap fluidly connecting the first chamber and the second chamber , the second chamber being fluidly connected to a vacuum source configured to apply a controlled vacuum pressure to the second chamber , the evacuation station being provided with a control unit configured to control the vacuum source ; providing a package containing a product to be packaged, the package being made from a film and having an open end; arranging the package in the evacuation station such that: - a terminal portion of the open end is positioned within the second chamber , - a non-terminal portion of the open end and the product are positioned within the first chamber , and - an intermediate portion of the open end passes through the gap , the intermediate portion extending between the terminal portion and the non-terminal portion of the open end, the open end putting an inner volume of the package in fluid communication with an inner volume of the second chamber ; controlling, by the control unit , a pressure differential between a first internal pressure in the first chamber and a second internal pressure in the second chamber to cause aspiration of gas from the inner volume of the package , characterized in that the step of controlling the pressure differential comprises increasing the pressure differential, the step of increasing the pressure differential including decreasing the size of the gap ; or the step of controlling the pressure differential comprises decreasing the pressure differential, the step of decreasing the pressure differential including increasing the size of the gap . providing an evacuation station having a first chamber , a second chamber , and a dividing wall , the dividing wall separating the first chamber from the second chamber and having a gap fluidly connecting the first chamber and the second chamber , the second chamber being fluidly connected to a vacuum source configured to apply a controlled vacuum pressure to the second chamber , the evacuation station being provided with a control unit configured to control the vacuum source ; providing a package containing a product to be packaged, the package being made from a film and having an open end; arranging the package in the evacuation station such that: - a terminal portion of the open end is positioned within the second chamber , - a non-terminal portion of the open end and the product are positioned within the first chamber , and - an intermediate portion of the open end passes through the gap , the intermediate portion extending between the terminal portion and the non-terminal portion of the open end, the open end putting an inner volume of the package in fluid communication with an inner volume of the second chamber ; - a terminal portion of the open end is positioned within the second chamber , - a non-terminal portion of the open end and the product are positioned within the first chamber , and - an intermediate portion of the open end passes through the gap , the intermediate portion extending between the terminal portion and the non-terminal portion of the open end, the open end putting an inner volume of the package in fluid communication with an inner volume of the second chamber ; controlling, by the control unit , a pressure differential between a first internal pressure in the first chamber and a second internal pressure in the second chamber to cause aspiration of gas from the inner volume of the package , characterized in that <EOS>