22 Feb 30 kg Destoner Installation in Gimpo

Today we would like to introduce a case in which we installed an additional large-capacity 30 kg destoner at a roastery in Gimpo, Gyeonggi Province, that specializes in supplying roasted beans.
What makes this installation especially meaningful is that an existing customer who already uses our roaster came back to us once again, purely out of trust in the brand.
We believe that a ‘repeat purchase,’ in which a customer entrusts us with a destoner after a roaster, is the most reliable indicator of our products’ performance and after-sales service.
Off we go!

Since SIEBENSTER mainly handles large-scale roasting equipment, an installation of this size is quite simple for us.




Why Should You Use a Destoner?
- Risk Management in Roasted Bean Supply: “A Single Stone Can Destroy a Company’s Credibility”
What do roasteries that handle large-volume roasting and supply fear most? Foreign-matter contamination.
Stones and metal fragments that are not fully removed during the green coffee import process are nearly impossible for a roaster to catch one by one by eye.
If the beans are delivered as they are: Beyond the financial loss of damaged burrs on a client’s (cafe’s) expensive grinder, the brand image suffers a critical blow.
The role of the destoner: Using differences in density, it thoroughly filters out stones and foreign matter heavier than the roasted beans, guaranteeing ‘zero-defect quality’ for beans intended for supply.
- For HACCP Certification: “Can Replace a Metal Detector”
As standards for food safety management have risen recently, more and more roasteries are preparing for HACCP certification. Here, the destoner plays a key role that goes beyond that of a simple sorting machine.
Metal sorting with a magnetic bar: By installing a high-performance magnet at the bottom of the destoner or at the discharge outlet, fine iron powder and metal contaminants are thoroughly blocked as a first line of defense.
HACCP response strategy: Systematic operation of a destoner provides strong grounds for supplementing or replacing the metal detector step in the process, and serves as an indicator that demonstrates the professionalism of your process to the outside world.
Why Choose ‘SIEBENSTER’ Again?
The reason this Gimpo customer chose a destoner from the same brand to match their existing 30 kg roaster is clear.
- Proven performance: Density-based sorting capability as accurate as our roasting data.
- Service satisfaction: Stability is the lifeblood of roasted bean supply, which is why we offer prompt and thorough after-sales service for stable equipment operation.
- Ongoing partnership: Not a relationship that ends after installation, but an after-sales management system that helps solve the concerns of the production floor together.
Roasting Expertise Is Decided by ‘Detail’
The larger the roastery, the more likely a single mistake is to lead to a serious accident. The 30 kg destoner installed this time will not only raise the customer’s production efficiency but also serve as a reliable insurance policy, giving their clients confidence that these are ‘beans you can trust.’
We do not simply sell machines; we design ‘safety and trust’ so that your roastery can achieve sustainable growth.

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