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Controlling Foam & Dosing Errors in Automatic Liquid Filling Lines | Vicanpacking
release time:
2026-09-19
Prevent foaming, spilling, and dosing inaccuracies in automatic liquid filling equipment using servo-driven bottom-up diving nozzles.
In industrial liquid packaging—whether for edible oils, daily chemical detergents, or liquid food—foaming during high-speed discharge is a primary cause of bottle overflow and inaccurate volumetric dosing. Upgrading to advanced liquid filling equipment is critical for maintaining clean bottle surfaces and strict weight compliance.
Why Liquid Foaming Ruin Packaging Efficiency
When liquid is discharged at high speed into a rigid container, air entrainment creates surface foam. This leads to two major production bottlenecks:
1. False Level Filling: Optical sensors register foam instead of liquid, resulting in under-filled bottles.
2. Bottle Surface Contamination: Spilled liquid on bottle necks ruins capping and labeling, causing high rejection rates.
Servo Bottom-Up Diving Nozzles Technology
Modern automatic filling machines utilize servo-motor-controlled nozzle plunging. The nozzle lowers to the bottom of the bottle before liquid flow begins and gradually ascends in synchronization with the liquid level rise. This submerged filling method eliminates splash, aeration, and surface foam.
Dosing Accuracy via Peristaltic vs. Servo Piston Systems
For low-viscosity liquids, peristaltic pumps offer rapid sanitization without contact parts. For viscous or foaming liquids, servo-driven piston pumps provide an exact metering tolerance of ±0.5%.
Explore Our Solution: Learn more about our heavy-duty Sauce & Liquid Filling Machine designed for zero-splash liquid dosing.
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