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Metal detection systems for pneumatic conveyance

Metallic contaminants in plastic granulate, regrind, flour or breadcrumbs can lead to blocked nozzles and filters, damaged machines or impure final products. Our metal detectors for pneumatic applications provide optimum protection against interruptions to production, downtime and customer complaints.

That's what distinguishes our products
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Easy to use

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Highest detection accuracy

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Easy cleaning and maintenance

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Easy installation

The benefits in detail

  • Thanks to quick-lock couplings and flanges, our metal detectors are extremely easy to integrate into piping systems, regardless of whether they are positioned vertically, horizontally or at an angle.
  • They remove metallic contaminants without interrupting the flow of the conveyed material or reducing the conveying speed.
  • They function reliably even at high conveying speeds and temperatures.
  • The two-channel technology provides the highest sensitivity to all metals, regardless of whether they are magnetic or not, even when they are embedded in the product.
  • Digital signal processing guarantees optimum security in line with EU directives.
  • Preset operating parameters mean the control units are extremely easy to operate.
  • An exportable, password-protected system logbook or the option of directly connecting to the company network ensures the necessary exchange of data.
  • Our metal detection systems feature an auto-learn function to best compensate for the intrinsic conductivity of the inspected material.
  • ATEX-compliant versions up to zone 20 are available. 


Functional principle



Product example GF


Design and alternative configurations 

Simple and easy assembly

All components come pre-assembled, and the assembly frame ensures quick and easy installation. A compact design also helps you save space.

Separation system

Thanks to its responsive shutter flap, the “Quick-Flap” separation unit safely removes metal particles even at high conveying speeds without interrupting the flow of the conveyed material. It also prevents leak air from entering the conveyor pipes. The entire separation mechanics, junctions and separation flap are made out of stainless steel (1.4301).

Different pipe diameters

Integration into already existing conveyor pipe systems with standard nominal widths up to 150 mm is possible without any issue thanks to quick-lock couplings and ventilation flanges.


Products

GF
Metal separator for pneumatic conveyor pipes
Product Brochure

GF 4000
Metal separator for pneumatic conveyor pipes with high hygienic requirements
Product Brochure

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White Paper

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Intuitive operation of a metal detector and its influence on the total cost of ownership

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The circular economy: Challenges and opportunities for Recyclers and plastics processors

The plastics industry is under pressure. Between climate change, excessive consumption of finite resources, and vast amounts of plastic waste in the world’s oceans, plastics are coming to be seen in a different light by politicians, businesses, and consumers alike. Read in our e-book about the most important factors of a functioning circular economy, especially which challenges and opportunities exist for recyclers and plastics processors.

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Using recycled materials in plastics processing

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  • … the differences between post-consumer and post-industrial recyclate
  • … the problems plastics processors may face when using recyclate
  • … how to future-proof your processes to effectively handle increasing volumes of recyclate

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White Paper

Automated conformity testing processes for inspection systems
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Case Studies

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Case Studies

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OPC UA for production without machine downtime

SITRAPLAS GmbH is a producer of high-performance engineering plastic compounds. Unplanned downtime is a nightmare for every company, but especially for continuous production facilities. When metal separators are networked with plastic processing machines, the flow of information between machines can be monitored.

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Case Studies

German metal detection technology for American flour mill

Pneumatic conveying is common within the milling industry to move large volumes of products. This firm was looking for a metal detection solution to provide enhancements to their food safety initiatives (GFSI) within the challenge of pneumatically conveying the finished product to bulk carriers.

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Safe bread and rolls from the Austrian Waldviertel

The Backwelt Pilz produces pre-baked and pre-cooked deep-frozen baked goods, for the food retail trade, petrol station shops and system gastronomy. In order to ensure that bread and rolls are absolutely free of foreign bodies, the Backwelt Pilz decided, in addition to the existing metal detectors, also to install RAYCON D+ X-ray inspection equipment for packaged products.

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Pure spice mixtures in pneumatic conveyor pipes

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How one mill achieved the best possible metal detection for all processing stages

For more than 335 years and 14 generations, Rubinmühle has been managed by the Rubin family. Customers in Europe and beyond benefit from their reliable and flexible supply of innovative, high-quality grain products. As quality requirements have become more stringent over time, Rubinmühle commenced a search for a solution that could inspect grain flakes with the best possible detection rates.

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Fruit experts rely on a daily routine check for optimal quality assurance

Many customers face the problem of lacking the knowledge of which setting parameters can cause a significant change in product safety and process relevance. A validation process can aid these customers to overcome this challenge and take a successful path towards compliance with food safety standards. Such as process can also be used as a service.

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Product safety has top priority in the dairy industry

Milchwerke Schwaben processes 410 million kilograms of milk and whey each year. Metal detection must be installed at various checkpoints to control for the quality of dairy products. Butter and rice pudding, for example, are transported through pipelines prior to filling. In order to ensure these packaged products are free of metallic contaminants, metal detectors are used.

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Metall-Separator für pneumatische Förderleitungen

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