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Can One Glass Jar Washing Machine Handle Different Jar Sizes?

24 Feb, 2026

In industries such as honey, jam, sauces, and canned goods, enterprises frequently require the use of wide-mouth jars in multiple specifications for filling production. Consequently, procurement personnel commonly inquire: Can a single glass jar washing machine accommodate different jar sizes without complex structural modifications?

For glass and bottle washers employing mesh belt conveyor cleaning systems, the answer is typically affirmative: yes, and adjustments prove simpler with more stable operation.

Glass jar washing machine workflow

This glass bottle washing machine type employs no gripping or flipping mechanisms. Instead, stainless steel mesh belts convey bottles continuously through the cleaning zone. The typical process includes:

1. Automatic bottle loading and smooth conveyance

Bottles are placed directly onto the conveyor mesh belt to enter the glass jar washing machine. Due to the stable base and low centre of gravity of wide-mouth jars, they maintain an upright position during conveyance, enabling stable operation without gripping devices.

2. Multi-angle high-pressure spray cleaning

During transit, high-pressure nozzles from above, the sides, and even below simultaneously flush the interior and exterior surfaces:

  • Removing dust and debris
  • Eliminating grease and residues
  • Rinse the bottle mouth and threaded areas

This cleaning method avoids complex mechanical movements, simplifying maintenance.

Glass Jar Washing Machine

3. Multi-stage rinsing

Following primary washing, bottles proceed into a clear water spray zone to thoroughly remove cleaning solution, ensuring no impact on subsequent filling quality.

4. Sanitisation and drying

Optional hot water or sterilisation stages can be integrated, followed by moisture removal via powerful air knives or hot air systems, leaving bottles ready for immediate use.

Why does it accommodate multiple sizes without a gripping system?

The advantage of the mesh belt conveyor glass jar washing machine lies in its open-through design. Its dimensional adaptability stems primarily from:

✔ Wide-width conveyor mesh belt

Bottles of varying diameters pass stably provided their base dimensions fall within the belt's load capacity, without requiring component replacement.

✔ Open cleaning chamber

The spray zone lacks fixed gripping points, meaning variations in bottle size do not affect the cleaning path.

✔ Extensive spray coverage

Multiple rows of nozzles create a dense water curtain, ensuring thorough cleaning regardless of bottle height or diameter variations.

✔ Absence of inversion mechanisms

No need to adjust inversion angles or clamping dimensions, reducing changeover time and mechanical wear.

This configuration is particularly suited to multi-product manufacturers.

High Pressure Spray System

Are any adjustments required?

Typically, only minor adjustments to the following items are needed:

  • Conveyor speed
  • Spray pressure
  • Guide plate position (if applicable)

For standard wide-mouth bottle size variations, no part replacement or downtime modifications are generally required.

Will cleaning effectiveness be affected by size variations?

Provided the glass jar washing machine is properly designed, the cleaning quality remains unaffected. Key factors include:

  • Sufficient spray density
  • Stable water pressure
  • Maintaining upright bottle positioning
  • Adequate cleaning duration

Conveyor belt systems, with their continuous, uniformly covered cleaning zones, are actually better suited to handling varied bottle specifications.

How to determine if the glass and bottle washer suits your products?

When selecting a model, confirm:

  • Maximum and minimum bottle diameters accommodated
  • Maximum bottle height
  • Conveyor belt width and load capacity
  • Whether spray coverage extends to the interior bottle areas
  • Capability for continuous production

Clarifying these parameters prevents future incompatibility with new product specifications.

Lonkia's application recommendations

Lonkia's glass jar washing machine employs stable mesh belt conveyance and multi-angle spray design, handling common wide-mouth jar specifications without complex adjustments. It is particularly suited for multi-product production lines. The equipment features a streamlined structure and reliable operation, helping reduce maintenance costs and enhance production efficiency.

Conclusion

For equipment employing mesh belt conveyance, a single glass jar washing machine can effectively process wide-mouth bottles of varying dimensions.

Its core advantage lies in achieving high compatibility and stability through open-loop continuous cleaning, without requiring gripping or flipping mechanisms.

Where production lines necessitate handling multiple bottle specifications, such container washers typically represent a more efficient, economical, and dependable solution.

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