Industrial measurement technology from Fagus-GreCon – precision that improves processes.

Over 50 years of experience
Customised industry solutions
In use worldwide

Our systems create the basis for efficient, safe and sustainable production – proven for decades in the wood-based materials industry and far beyond.

Measurement technology that sets standards in numerous industries – discover where GreCon systems make processes measurably better.

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Our industry-specific solutions form the basis for successful measurement technology applications in your company.
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Insulation
Transformerboard
Plastics
Wood-Based Materials
Animal Feed
Sugar
Nonwoven

Fagus-GreCon – Innovation is a tradition at our company!
For over 100 years, we have been developing technologies that make industrial processes safer, more precise and more efficient – worldwide, at home in a UNESCO World Heritage Site.

With our global service network and subsidiaries, we are on hand to assist you locally – quickly, efficiently and reliably.

Since its founding in 1911, the company has set standards through groundbreaking inventions and developments.

Discover how companies worldwide use Fagus‑GreCon solutions to make production processes safer, more efficient and more reliable.

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Fagus-GreCon is aware of its responsibility and actively works toward a better future.

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Fagus-GreCon – A Family-Owned Company with Tradition.

Operating Globally
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As a family-owned business, we place great value on a supportive atmosphere and long-term relationships. Our employees are part of the Fagus-GreCon family and play a vital role in our success.

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Hydro Aluminium Recycling: Spark Extinguishing for Safe Recycling Processes

How GreCon spark detectors and automatic extinguishing units detect and extinguish ignition sources in aluminium processing - before they can endanger the filter system and production.

Published 10 April 2026

"Safety always"

This is the guiding principle of the Norsk Hydro Group. To fulfil this principle, the subsidiary Hydro Aluminium Recycling Deutschland GmbH, which specialises in the reprocessing of aluminium scrap; relies on the GreCon Spark Extinguishing System.

Safety has top priority for Hydro. The spark extinguishing system and the records performed by the control console give us security that no sparks reach the filters.Gregor Kurth | Plant Manager Hydro Aluminium Recycling Deutschland

We would take this step again and again.Gregor Kurth | Plant Manager Hydro Aluminium Recycling Deutschland

A man is fitting a spark detector to the pipe — In the recycling process, mechanical work such as shredding is particularly at risk.

Our solution for Hydro Aluminium Recycling

Control console CC 7016
Highly sensitive FM 1/8 spark detectors
Overall 9 detection and extinguishing units
Automatic extinguishing system

Risks of fire and explosion

The risks of fire that the reprocessing of aluminium hold represent a big challenge. The mechanical recycling processes like shredding, conveying or filtering are at special risk.

Spark extinguishment for the aluminium reprocessing

At the Dormagen recycling specialist, all areas at risk are monitored by spark detectors. Besides the highly sensitive FM 1/8 spark detectors, detectors of the type DLD 1/8, that are insensitive to light, are used in areas with light ingress. Dirt accumulation on the optics of the spark detectors is prevented by means of air purge adapters. If sparks are detected, the automatic extinguishing system will be activated. A fine water mist spray extinguishes danger potentials within milliseconds. The low amount of water reduces the influence on downstream production processes to a minimum. The investment in additional safety was judged very positively by the approval authorities and the property insurer.

The Hydro Aluminium Recycling Deutschland GmbH specialises in the processing of aluminium scrap.

Buildings and a crane in front of a mountain of recyclables — At the Dormagen site, where the customer operates a recycling plant, research and development is also carried out in the field of recycling technologies.

Hydro Aluminium Recycling Deutschland – Safety Always

The company is specialising in the reprocessing of aluminium. At the Dormagen site, 36,000 tons of aluminium scrap are shredded and processed to secondary raw material per year.