This series of products can meet the requirements of dosing pressure cover of various packaging containers within 1 to 5 liters. Different filling amounts can be obtained by adjusting the filling speed and the metering panel through the throttle valve. The machine adopts the volumetric measurement and carefully adjusts the measuring tray. The error of the one-liter container can be guaranteed to be less than 5 grams, while the error of the manual filling is generally more than 30 grams.  Low energy consumption; air consumption: 0.3m3/min.