Sourcing Filling Line from China

Views: 283 Author: Howie SUN Publish Time:
The same frame can carry gravity, volumetric or isobaric valves, which is why two machines that look alike can behave differently on the same product. Sunswell has commissioned lines in Kazakhstan (3 lines at once), the Maldives, Syria, and Turkey— see project references.

12,000 BPH 500ml Bottling Line for Liquid Vitamin Syrup

Key facts at a glance
Supply scopeFilling, capping and closing equipment
Filling principlesGravity, volumetric, isobaric, piston, load cell
Capacity range2,000-48,000 BPH by configuration
Accuracy basisVolume, weight or fill level
Contact materialSUS 304 product contact, CIP-ready
Key controlFill accuracy, closure integrity, CIP time

What actually decides fill accuracy?

Four variables sit behind a fill number: the dosing principle, the product temperature, the bottle geometry, and the condition of the valve or piston seal. A machine that holds its tolerance on the factory test can drift in the plant when the product arrives warmer or the bottle wall gets thinner.

Witness or commission a third party to verify speed, fill accuracy (±0.5–1%), CIP effectiveness, and safety.

How does the closure change the filler specification?

The capping head is built for one closure family. A screw cap, a crown and a ROPP cap need different heads, different heights and different checks. Changing closure after the line is ordered means a new head, and sometimes a new bottle finish, not a setting change.

Sourcing from China can cut CAPEX by 30–60% versus European brands—but only if the process is managed.

PrincipleDoses byFails when
GravityFill level in the bottleBottle geometry varies
VolumetricChamber volumeValve seal wears
IsobaricVolume under counter-pressurePressure or temperature drifts
PistonDisplacementProduct carries solids
Load cellNet weightProduct temperature moves

For the same duty in another bottle format, the Gravity Filling Machine for Still Water is specified separately.

What should the acceptance test measure?

Rated output at the specified format, fill accuracy on a defined sample, closure torque or seal measurement, and a timed changeover with the buyer watching. Anything not measured before sign-off becomes a discussion after the final payment.

Sunswell has commissioned lines in Kazakhstan (3 lines at once), the Maldives, Syria, and Turkey— see project references.

Valve count, utility schedule and footprint sit on the Volumetric Filling Machine for Still Water page.

Which documents belong in the handover pack?

Wiring and pneumatic diagrams, the spare parts list with lead times, the changeover checklist, the CIP recipe and the acceptance record. A line handed over without those five is a line that depends on the engineer who installed it.

The same question is worked through from another angle in How Semi-Automatic Fillers Benefit Small Beverage Manufacturers.

How to read the numbers. The capacity figures here are reference ranges taken from the product specification. Changeover, CIP and downstream stops sit outside a rated BPH, so plan on 0.65-0.85.

Frequently asked questions

What is the difference between volumetric and gravity filling?

Gravity fills to a level set by a tube, so accuracy depends on the bottle. Because volumetric filling doses by chamber volume, accuracy holds across bottle sizes. Gravity is simpler and cheaper; volumetric is more repeatable when the bottle changes.

Can one filler run different bottle sizes?

Yes, with change parts: star wheels, guide rails, grippers and a recipe. The parts are cheap compared with the changeover time, which is why most plants specify one dominant format.

What is a monoblock?

A single frame carrying the rinser, the filler and the capper, driven and controlled together. It removes two transfers and the floor space between three separate machines.

How long does a CIP cycle take?

From tens of minutes to over an hour, set by the circuit volume and the soil. It is a fixed cost per production day and should be planned as downtime, not squeezed into the shift.

Key takeaways
  1. The product picks the filling principle; the output only picks the size.
  2. Fill accuracy is a temperature and wear question as much as a machine question.
  3. CIP is downtime; it belongs in the capacity plan, not in the maintenance schedule alone.
  4. Of everything in a line enquiry, the neck finish is the item most often left blank.
About the author
Written by the Sunswell engineering team - led by Howie SUN, Founder & CEO, with 14 years in filling and blow-moulding equipment R&D and turnkey project delivery across 71+ countries.
Last reviewed: 2026-08-28 . Reviewed by Sunswell engineering team
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