Liquid Negative Pressure Filling Machine

Equipment overview:

Negative pressure filling is also called vacuum filling, which was originally used for filling non-carbonated beverages.

When filling, the spool valve rises first, the vacuum chamber communicates with the beverage bottle, and the air in the bottle is drawn out to form a negative pressure. At the same time, the filling port is opened, the vent hole is opened, and the beverage flows into the bottle under the action of gravity.

The liquid filled in the bottle is raised to the level of the liquid level of the filling machine through the exhaust pipe, and the excess liquid flows into the buffer chamber, and then returns to the liquid storage tank, and the filling is completed. The slide valve then descends and the liquid remaining in the air tube flows into the bottle and the filling port closes.

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