Automatic Inline Gravity Filling Machine
The Automatic Inline Gravity Filling Machine is engineered for the accurate and efficient filling of free-flowing, low-viscosity liquids into bottles, jars, and other rigid containers. A product reservoir positioned above the filling nozzles allows liquid to flow naturally under gravity, while precisely timed valves regulate the quantity delivered during each filling cycle.
Its inline configuration guides containers through separation, positioning, filling, and discharge in a smooth and coordinated sequence. Multiple filling heads operate simultaneously, combining dependable output with a simple filling principle that is economical to operate and easy to maintain.
The machine is well suited for water, beverages, vinegar, light sauces, cleaning liquids, solvents, and other products with stable flow characteristics. It can operate as an independent filling station or integrate with bottle feeding, capping, sealing, labeling, coding, inspection, and collection equipment.
Core Technical Highlights
Time-Controlled Gravity Filling
Each nozzle opens for a programmed period, allowing liquid to flow naturally from the elevated reservoir into the container.
Consistent Volumetric Output
Individually adjustable filling parameters help maintain repeatable volumes across multiple filling heads.
Multi-Head Filling Configuration
The machine can be equipped with different numbers of nozzles to satisfy a wide range of production capacities.
Ideal for Free-Flowing Liquids
The gravity-fed principle is especially suitable for water-like products and liquids with low, stable viscosity.
Anti-Drip Nozzle Design
Positive shut-off nozzles help reduce dripping, trailing, splashing, and contamination around the container opening.
Adjustable Filling Speed
The flow rate and filling time can be optimized according to the liquid characteristics, container opening, and target volume.
Bottom-Up Filling Option
The nozzles can descend into the containers and rise gradually during filling to help control foam and splashing.
Stable Container Positioning
Bottle sensors, guide rails, and indexing devices ensure that each container is accurately positioned beneath the filling nozzles.
Easy Changeover
Adjustable guides, nozzle positions, filling parameters, and stored settings simplify transitions between container formats.
Efficient Line Integration
The inline structure connects easily with upstream and downstream equipment for coordinated automatic production.
Technical Specifications
| Parameter |
Specification |
| Model No. |
DT-GS1000 |
| Filling Range |
50-1000ml (Liquid) |
| Filling Speed |
40-60 BPM |
| Filling Accuracy |
±1% |
| Filling Nozzles Quantity |
8-10 (cans/min) |
| Bottle Height Range |
80-180mm (customized) |
| Bottle Width/Diameter Range |
60-100mm (customized) |
| Bottle Minimum Diameter |
Φ38mm (customized) |
| Material Supply Method |
Diaphragm pump/stainless steel pump |
Frequently Asked Questions
1. What is an inline gravity filling machine?
It is an automatic liquid filler that moves containers along a straight conveyor and uses gravity to transfer liquid from an elevated reservoir into each container.
2. What products can the machine fill?
It is suitable for water, beverages, vinegar, cleaning liquids, solvents, light sauces, and other free-flowing liquids with stable viscosity.
3. Is it suitable for thick or highly viscous products?
No. Piston or pump filling systems are generally more suitable for products that cannot flow efficiently under gravity.
4. How is the filling volume controlled?
The volume is controlled by adjusting the opening time of each filling valve and regulating the liquid flow rate.
5. What is the difference between gravity and overflow filling?
A gravity filler dispenses a controlled volume based mainly on filling time, while an overflow filler fills every container to the same visible liquid level.
6. Can each filling nozzle be adjusted independently?
Yes. Individual nozzle timing can be adjusted to improve consistency across all filling positions.
7. Can the machine handle foaming liquids?
Light foaming can be controlled through slower flow settings, staged filling, and optional bottom-up nozzle movement.
8. Can it fill different bottle sizes?
Yes. The guide rails, nozzle height, bottle sensors, indexing devices, and conveyor settings can be adjusted for different containers.
9. Can the machine be connected to an existing production line?
Yes. It can integrate with bottle unscramblers, capping machines, sealers, labelers, coders, inspection systems, and conveyors.
10. Can the machine be customized?
Yes. The nozzle quantity, filling range, reservoir capacity, valve structure, conveyor dimensions, operating direction, and contact materials can be customized.
