date:Jan 23, 2014
one when seeking to accelerate the packaging speed, claims the product manager. The time saving is achieved by way of a stable vacuum and adequate dimensioning; the goal is to provide a central vacuum with a constant, maximum reserve of 4 mbar, depending on the necessary residual oxygen values. When the air is evacuated from the pack in the machine's sealing station, the pressure is suddenly equalised in a pre-evacuated space. Other design modifications have been made concerning the valve arrang