Customer equipment selection guide

Bottle, jar and cap compatibility

Pack-supplier tolerance, neck finish, closure torque, wall strength and leak testing before line specification.

Where this equipment or process fits

Pack-supplier tolerance, neck finish, closure torque, wall strength and leak testing before line specification. The product name alone is not enough to select machinery: viscosity, particles, foam, temperature, aeration, chemical compatibility and pack tolerance can change the correct solution.

Applications to investigate

  • bottle lines
  • jar lines
  • trigger and pump packs
  • tamper-evident closures

Issues to challenge in a trial

  • neck-finish drawing
  • torque
  • container strength
  • supplier-batch variation

Configurations to compare

ConfigurationSelection note
pack samplesConfirm the final specification using the real product, pack, output and cleaning method.
torque testingConfirm the final specification using the real product, pack, output and cleaning method.
leak testingConfirm the final specification using the real product, pack, output and cleaning method.
closure inspectionConfirm the final specification using the real product, pack, output and cleaning method.

Build the specification around sustained production

Record the complete dose range, product condition at the point of filling, container and closure drawings, real samples, intended labels, target output and every planned recipe or pack change. State whether output is a maximum instantaneous speed or a sustained sellable rate after refilling, minor stops, rejects and operator intervention.

Review the full process rather than the filler in isolation. Container preparation, feeding, dosing, filling, capping or sealing, labelling, coding, inspection, reject handling, conveying, accumulation and secondary packaging can each become the bottleneck. The layout also needs guards, maintenance access, cleaning access, utilities, raw-material movement and finished-goods movement.

Use representative samples and measurable acceptance criteria

A useful machinery trial challenges the difficult edges of the requirement: minimum and maximum dose, warmest and coldest product, largest expected particles, highest foam risk and packs from more than one supplier batch. Record settings, output, accuracy or presentation results, cleaning observations and open points. Those results should feed into a written factory acceptance test.

Common questions

What applications should be considered for bottle, jar and cap compatibility?

The strongest starting applications include bottle lines, jar lines, trigger and pump packs and tamper-evident closures. The final choice still depends on a representative product and pack trial.

What information is needed to specify bottle, jar and cap compatibility?

Provide product behaviour at the real filling temperature, minimum and maximum dose, target sustained output, container and closure samples, cleaning method, utilities and available space.

What should be tested before equipment is ordered?

Test neck-finish drawing, torque, container strength and supplier-batch variation, together with achievable output, repeatability, changeover and cleaning.

Should the complete packaging line be reviewed?

Yes. Container preparation, filling, closing, labelling, coding, inspection, reject handling and accumulation need to work as one balanced process.

Can the equipment be expanded later?

Often it can, but future container formats, nozzle pitch, conveyor height, controls, guarding and upstream or downstream automation should be considered during the first specification.

Technical planning note · Updated 2026-09-01
This guidance should be confirmed with the real product, complete pack, sustained-output target, cleaning method and site risk assessment. Read how the guidance is produced.