Define the format family
Group bottles by neck finish, diameter, height, label and pack style to identify shared and dedicated parts.
Bottle compatibility
PET Bottle Size Compatibility Guide
Bottle volume alone is not enough to confirm line compatibility. Diameter, height, neck finish, cap, body stiffness, base design, label area and pack pattern affect change parts and performance from bottle feeding through packing.
Bottle Data Sheet for Supplier Review
Measurements and Why They Matter
| Bottle Detail | Buyer Should Provide | Affected Equipment |
|---|---|---|
| Nominal volume | 330ml, 500ml, 1L, 1.5L, 2L or custom. | Filling time, rated output and pack pattern. |
| Overall height | Dimension drawing and tolerance if available. | Guides, filler height, labeler and packer. |
| Maximum diameter/width | Round diameter or square/rectangular dimensions. | Star wheels, guides, conveyor and pack lane. |
| Neck finish | Neck drawing or standard plus support-ring details. | Air conveyor, neck handling and rinser grippers. |
| Cap | Diameter, height, thread, tamper band and sample. | Cap sorter, track and capping head. |
| Empty bottle weight | Preform/bottle specification. | Blowing, transfer stability and handling. |
| Label panel | Label dimensions and application position. | Sleeve, OPP or adhesive labeler setup. |
| Pack format | Bottle count, rows, tray/carton and film style. | Collation, shrink wrapper or carton packer. |
How Bottle Format Affects Each Line Section
- Air conveying depends heavily on neck geometry and empty-bottle stability.
- Star wheels, guides and rinser/filler handling parts must match the bottle path.
- Large-volume bottles can change the output assumption and filling time.
- Label application depends on body shape, panel position and surface condition.
- Packing depends on bottle stiffness, pack count and the required finished bundle.
Planning Multiple Bottle Sizes on One Line
A multi-format line should be evaluated as a changeover system, not only as a list of compatible volumes.
List every change part
Ask for stars, guides, spacers, labeler parts and packer adjustments by SKU.
Estimate changeover work
Identify tool requirements, adjustment points, recipe changes and verification checks.
Plan production campaigns
Longer runs by bottle family can reduce repeated changeover loss.
Best Evidence to Send
A dimensioned bottle drawing is best. Clear photos beside a ruler and a physical sample can support early discussion, but final change parts should be confirmed against controlled dimensions or approved samples.
Prepare a Bottle Data Pack for Every Launch SKU
Bottle volume alone is not enough to confirm compatibility. The supplier needs controlled geometry, samples and downstream packaging information for each format that must run on the line.
PET Bottle Data Pack
| Bottle Data | What to Provide | Equipment Decision Affected |
|---|---|---|
| Controlled drawing | Overall height, body diameters, neck finish, support ring, base and label panel dimensions. | Guides, star wheels, grippers, sensors and change parts. |
| Physical samples | Production-intent bottles or preforms, caps and approved variation where available. | Transfer stability, cap fit, filling, labeling and packing trials. |
| Bottle material and weight | PET specification, target weight and relevant production process information. | Blowing setup, bottle stiffness, heat exposure and conveyor behavior. |
| Neck and cap | Neck finish, support ring, cap drawing, tamper band and closure requirement. | Air conveyor, rinsing transfer, cap sorter, chute and capper. |
| Base and stability | Base geometry, contact ring and expected filled-bottle stability. | Conveyors, accumulation, labeling, coding and packing. |
| Label area | Label type, panel, artwork orientation and application dimensions. | Labeler model, container control and inspection. |
| Code position | Required content, print area, orientation and product or pack coding level. | Coder type, mounting, trigger and inspection. |
| Pack pattern | Bottle count, row pattern, film or carton, handle and finished-pack orientation. | Collation, packer change parts, discharge and pallet handling. |
Trace Every Format Change Across the Complete Line
A new bottle may run through the filler but fail at labeling or packing. Use one format-impact review before approving a new SKU or ordering change parts.
Format Change Impact Matrix
| Line Zone | Compatibility Check | Possible Change |
|---|---|---|
| Blowing and bottle supply | Preform, mold, bottle cooling, discharge and buffer behavior. | Mold or setup, cooling, guides and format recipe. |
| Air conveyor | Neck finish, support ring, bottle swing, rail setting and discharge height. | Rail, guides, setup and air-flow adjustment. |
| Rinser filler capper | Transfer diameter, neck handling, fill behavior, cap and discharge. | Star wheels, guides, grippers, cap parts and recipe. |
| Flat conveyors | Bottle stability, back pressure, turns and accumulation. | Guide width, speed zones and transfer geometry. |
| Labeler and coder | Container control, label panel, orientation, code area and speed basis. | Change parts, label station setup, mounts and recipe. |
| Packer | Collation, bottle stability, row pattern, material and pack dimensions. | Lane guides, collation parts, film or carton settings and recipe. |
| Inspection and controls | Sensor position, thresholds, recipe and reject behavior. | Sensor setup, new recipe and validation checks. |
Buyer questions
Questions Buyers Ask Before Quotation
Can one machine fill 330ml and 2L bottles?
It may be possible, but output, guide settings, change parts, labeler and packer compatibility must be checked against the actual bottle designs.
Is a bottle photo enough for quotation?
It can support an initial discussion. A dimensioned drawing or approved sample is better for confirming neck handling, star wheels, guides and packing.
Can different bottles use the same cap?
Only if the neck finish and cap specification match. Confirm thread, diameter, height, tamper band and capping requirements.
Why can a lightweight bottle be difficult on conveyors?
Low stiffness, unusual shape or a small base can reduce stability during transfer, labeling and accumulation. Conveyor and guide design should be reviewed.
Can one bottled water filling line run several PET bottle shapes?
Often yes when the formats fall within the confirmed machine range and the required change parts, recipes and setup are supplied. Compatibility must be checked across bottle supply, air conveyor, monoblock, flat conveyors, labeler, coder, inspection and packer rather than at the filler alone.
Request a Bottled Water Filling Line Configuration
Send your bottle size, target capacity and country. We will prepare a bottled water filling line configuration and quotation.