4-in-1 Monoblock for Both Glass Bottle and PET Bottle

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A filling machine is specified from the product and the package, and every other number follows: viscosity and carbonation pick the valve, the neck finish picks the capper. However, Sunswell can customize and design based on clients’ request, such as 4-in-in, 5-in-1, etc.

4-in-1 Monoblock for Both Glass Bottle and PET Bottle

Key facts at a glance
What is includedFilling, capping and closing equipment
Filling principlesGravity, volumetric, isobaric, piston, load cell
Rated output2,000-48,000 BPH by configuration
Accuracy basisVolume, weight or fill level
Wetted partsSUS 304 product contact, CIP-ready
Key controlFill accuracy, closure integrity, CIP time

Which filling principle fits this product?

Filling principle comes from the product, not from the target BPH. Still liquid at a steady density runs gravity or volumetric; carbonated product needs isobaric; thick product with solids needs a piston; product sold by weight runs a load cell. Fix the product first; a machine chosen before it is a machine chosen twice.

4-in-1 filling monoblock, combined with rinsing, filling, screw capping and ROPP capping.

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.

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

The specification sheet for the Gravity Filling Machine for Still Water carries the utility figures quoted here.

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.

The Volumetric Filling Machine for Still Water is the reference unit for this configuration.

What does CIP take out of production time?

A CIP cycle is measured in tens of minutes to over an hour depending on the circuit and the soil. It is not production time, and a plan that counts it as production will miss its daily output every day. The number belongs in the capacity calculation, not in the shift handover.

The same question is worked through from another angle in How to Maintain Semi-Automatic Fillers for Long-Term Use.

How to read the numbers. Capacity is quoted as a reference range from the product specification. Changeover, CIP and downstream stops sit outside a rated BPH, so plan on 0.65-0.85.

Frequently asked questions

How accurate is a filling machine?

It depends on the principle and the product. A volumetric or load cell filler holds a tighter band than gravity on a variable bottle. The tolerance belongs in the acceptance protocol, measured by weight on a defined sample.

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.

What spare parts should be kept in stock?

Valve seals, piston seals, capping head inserts, guide rail blocks and one set of change parts for the second format. These are the items that stop a line for days when they fail.

Key takeaways
  1. The product picks the filling principle; the output only picks the size.
  2. Each closure family needs its own capping head.
  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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