Bottle Filling Machine

We manufacture bottle filling machines at our factory in Foshan, China, for water, juice, sauces, oils, cosmetics, chemicals, and pharmaceutical liquids. Tell us your product, bottle size, and target output, and our engineers will specify the right filling method and bottle filling machine for your production needs.

Industrial filling machine with transparent safety enclosure

Fully automatic liquid filling and capping machine

Automatic bottle filling machine with rotary filler and capping station

High-tech filling station with multiple nozzles for precise liquid filling

Advanced multi-nozzle filling machine in an industrial setting

Automated bottle filling machine with stainless steel construction and conveyor belt system.

Automatic liquid filling machine with multiple nozzles, ready for bottling production.

Bottle Filling Machines Built Around Your Liquid

A bottle filling machine doses a measured volume of liquid into each bottle, then passes it to capping and labeling. What determines the right bottle filling machine is not the bottle. It is the liquid.

Thin, free-flowing products fill differently from thick creams. Foaming products need a nozzle that fills from the bottom up rather than dropping liquid from above. Products with particulates need a piston rather than a pump. At Foshan Popper Technology, we select the filling method based on your product, then build the bottle filling machine around it.

Bottle Filling Machine

From Filling to Sealing

A filled bottle is not a finished bottle. It has to be sealed before it leaves the line, and on most of our bottle filling machine builds, the capper sits directly after the filler so bottles move from one to the next without being handled.

Running them together matters more than it sounds. Conveyor height, bottle pitch, and control signals have to match across both machines, which is straightforward when one supplier builds them and a negotiation when two do.

At Foshan Popper Technology, our capping machines apply screw caps and press-on caps and handle round and square bottles on the same frame. Tell us your closure type and bottle format at the enquiry stage, and we specify the bottle filler machine and capper together.

Which Filling Method Does Your Product Need?

Viscosity, foaming behaviour, and whether the product carries particles decide the filling method for your bottle filling machine. Get this wrong and no amount of machine quality will hold your fill accuracy.

Method	Best for	How it doses	Watch for
Gravity	Thin, free-flowing, non-foaming liquids. Water, spirits, thin juice.	Liquid falls from a tank by gravity for a timed period.	Accuracy drifts if tank head pressure changes.
Overflow	Thin liquids in clear bottles where a level line matters.	Fills to a set level and returns the excess to the tank.	Fills to level, not to volume. Bottle volume variation shows.
Piston	Thick products and anything with particles. Sauces, creams, gels.	A piston draws a set volume and pushes it through the nozzle.	Slower than gravity. Tooling per volume range.
Pump	Medium-viscosity products across a wide range. Oils, shampoos, lotions.	A pump moves a metered volume per cycle.	Pump type must match the product chemistry.
Pressure	Carbonated products and fast lines.	A pressurised tank forces liquid into the bottle.	Needs a sealed fill point.
Vacuum	Fragile containers, hazardous or volatile liquids.	Vacuum draws liquid in and returns overflow.	Only suits rigid, sealed containers.

Nozzle choice sits alongside the filling method of a bottle filling machine. Bottom-up diving nozzles reduce foaming, anti-drip nozzles stop product stringing between fills, and nozzle bore is sized to viscosity. Our guide to filling machine nozzle types covers the options, and how to stop foaming when filling liquids covers the most common cause of rejected bottles.

For thick products specifically, see our viscous liquid filling machine guide, and for a side-by-side comparison of the methods used in bottle filling machines, see comparing different types of liquid filling machines.

Automatic and Semi-Automatic Bottle Filling Machines

Choosing between a semi-automatic and automatic bottle filling machine depends mainly on production volume, bottle handling, product changeovers, and the level of line integration required.

	Best for	How it doses
Bottle handling	Operator places and removes bottles	Conveyor infeed and discharge, no manual handling
Typical output	Low to moderate	Moderate to high
Suits	Small batch, frequent product changes, startups	Continuous production, single or few SKUs
Line integration	Standalone	Runs inline with capping, labeling, and packing
Relative cost	Entry	Higher, with faster payback at volume

Starting small? Our guide to the best automatic liquid filling machine for your production line covers what changes as volume grows. Where bottles arrive loose rather than upright, a bottle unscrambler feeds them to the bottle filling machine in the right orientation.

Flexibility for Round and Square Bottles

Our bottle filling machines run both round and square bottles. For round bottles, the centring guides hold the bottle under the nozzle. For square and rectangular bottles, the guides align the flat faces so the bottle cannot rotate and catch on the nozzle as it lifts.

Change parts are supplied for every bottle format you run, and settings are saved per format on the bottle filling machine control panel, so a changeover is a selection and guide adjustment rather than a recalibration.

Automation speeds up the process, boosting production output by helping businesses complete repeated tasks faster and with better control. In production and packaging environments, delays often happen when workers must handle every step manually. Automation reduces these delays by allowing machines to perform routine actions at a steady pace. This helps products move through each stage more smoothly, whether the task involves filling, sealing, labeling, wrapping, packing, or stacking. Because automated systems follow the same process again and again, they support consistent workflow and make it easier to manage higher order volumes. The main benefit is simple: when the process becomes faster and more organized, total production output can increase without placing the same level of pressure on manual workers.

Faster Processing: Automation speeds up the process, boosting production output. Machines can complete repetitive tasks more quickly than manual methods, allowing more products to move through the line in less time.
Reduced Delays: Automated systems help keep production moving by reducing slowdowns caused by repeated handwork. This supports a smoother workflow and helps teams maintain steady progress during daily operations.
Higher Output: When tasks are completed faster, businesses can produce, package, or prepare more units within the same working period. This is useful for companies managing growing demand or regular high-volume schedules.
Better Workflow Control: Automation helps each production stage stay more organized. Workers can monitor machines, check quality, prepare materials, and manage the line instead of handling every task manually.
Consistent Performance: Because machines repeat the same action with controlled timing, production becomes more predictable. This consistency helps businesses improve output while maintaining stable process quality across regular production runs and busy working schedules. It also helps operators plan daily targets, reduce idle time, and keep production capacity aligned with customer requirements during every shift cycle more reliably overall.

Sauces, dressings, honey, oils and pastes. Thick products and anything carrying particulates need piston filling. See our sauce filling machine for that configuration specifically.

Shampoo, lotion, serum, hand wash and sanitiser. Medium viscosity products that foam readily, which makes nozzle selection more important here than filling method. Bottom-up diving nozzles are usually specified.

Cleaning products, agricultural chemicals, solvents and pharmaceutical liquids. Contact material grade and chemical compatibility drive the build here. For thin chemical liquids across a range of container types, see our liquid filling machine range.

Frequently Asked Questions

Which filling method do I need for my product?

It depends on viscosity, whether the product foams, and whether it carries particles. Thin, non-foaming liquids suit gravity or overflow filling. Thick products and anything with particulates need piston filling, while medium-viscosity products suit a pump. Send us a product sample, and we confirm the right filling method for your bottle filling machine before quoting.

What is the difference between gravity and overflow filling?

Gravity fills a set volume by letting liquid fall from a tank for a timed period. Overflow fills to a set level and returns the excess. Overflow is chosen when bottles are clear and every bottle must show the same fill line because bottle volume varies slightly even within one batch.

Can a bottle filling machine fill thick or viscous products?

Yes, with piston or pump filling rather than gravity. Our viscous liquid filling machine guide covers what changes as viscosity rises.

Why is the fill volume varying between bottles?

On gravity fillers, it is usually changing tank head pressure as the tank empties. On piston fillers, it is usually air trapped in the cylinder. Our troubleshooting tips for liquid filling machines covers diagnosis in order.

How do you stop the product foaming during filling?

Bottom-up diving nozzles descend into the bottle and fill from the base upward so the liquid does not drop through air. Fill speed is also reduced at the start and end of each cycle. Our guide on how to stop foaming when filling liquids covers the full set of causes.

Can one bottle filling machine fill both round and square bottles?

Yes. Centring guides hold round bottles under the nozzle, and face guides align square and rectangular bottles so they cannot rotate. Change parts are supplied for each bottle format you run.

What nozzle type should I use?

Nozzle choice follows the product, not the bottle filler machine. Diving nozzles are used for foaming liquids, anti-drip nozzles for products that string or drip between fills, and nozzle bore is sized to viscosity. Our guide to filling machine nozzle types explains the options.

Why choose Foshan Popper Machinery?

With 10+ years of experience, Foshan Popper Technology manufactures reliable bottle filling machines for different liquids, bottle formats, and production requirements. From machine configuration and run-testing to installation support, training, and spare parts, we support your filling line from specification through production.

Need Help Choosing the Right Bottle Filling Machine?

Send us your product, bottle size, and target output. Our engineers confirm the right filling method for your bottle filling machine against a sample, then return a machine specification with pricing. Contact us or email info@fillingmachinepp.com.