Ensuring correct weight for stable filling and compliant production

Weight variations during production of rigid plastic packaging can lead to downstream instability, filling deviations, product waste, and regulatory non-compliance. Manual sampling only checks a small fraction of production and misses defects until it’s too late.

Delta Engineering’s fully automated checkweighing systems measure every bottle or container at line speed, detecting underweight or overweight units before they enter the next process. This ensures stable filling, reduces scrap, and maintains full quality consistency across all batches.

In-line checkweighing

Our checkweighers measure every container with high-resolution accuracy, rejecting out-of-spec units automatically. Fast recipe changeovers, stable conveying, and clear result dashboards ensure consistent weight control at full line speed with minimal operator effort.
THE BEST CHOICE FOR CONSISTENT WEIGHT CONTROL IN PLASTIC PACKAGING

Precision

Accurate down to 0.5 g for empty plastic containers.

Speed

High throughput up to 12,000 BPH with stable spacing and smooth weighing.

Usability

Fast, tool-free adjustments and clear dashboards for easy operation.

Compliance

Automatic rejection and traceable logging ensure reliable conformity.

WHY DELTA ENGINEERING?

Reliable weight inspection across all speeds, formats, and container types

1.

Single point of responsibility

2.

Broad experience

3.

Worry-free operation

4.

Fast payback thanks to improved efficiency

SPECIALIST IN TURNKEY PROJECTS FOR DOWNSTREAM SOLUTIONS

Total solution partner for the plastic packaging industry

Design

Engineered for your production reality

Our engineering teams design every system in-house, combining mechanical, electrical and software expertise. We create layouts that fit the available floor space, product range and speed requirements, ensuring stable flow, safe operation and seamless integration with existing equipment.

Manufacturing

Built in-house for lasting performance

All machines are manufactured in our own facilities for full quality control. From precision machining to assembly and testing, every step is handled in-house. This guarantees long-term reliability, consistent output and equipment that meets demanding industrial standards.

Installation

Smooth installation, minimal downtime

Our specialists install and commission our equipment efficiently, with minimal disruption to the customer’s production. We fine-tune settings on site, integrate controls, and train operators so automation runs safely, smoothly, and at full performance from day one.

Service

Reliable service, global support

Our multilingual service teams provide remote assistance, preventive maintenance and fast spare-parts delivery. Whether it’s troubleshooting, upgrades, or audits, we keep automation systems running reliably and ensure maximum uptime worldwide.

Case studies

Insights and cases on in-line checkweighing

Case study

From transporting empty plastic jars to fully integrated production

Read More

Case study

Sustainable blow molding through smart downstream automation

Read More

FAQ

The top 5 questions regarding
in-line checkweighing of rigid plastic packaging

What are the benefits of in-line checkweighing for plastic bottles and containers?

It monitors process quality and enables early detection of process deviations. This prevents downstream errors, reduces scrap, and improves overall process stability while supporting regulatory and customer quality requirements.

Can checkweighing keep up with high-speed production lines?
How accurate are Delta Engineering’s checkweighers?
Can the system integrate with other quality checks?
Can checkweighing be integrated with production monitoring systems?

Subscribe to the newsletter