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Metal detection systems for material columns

Minute metal particles in polymer melt can lead to costly breakdowns during injection moulding, extrusion and blow moulding. The risk is further increasing with the growing practice in the plastics-processing and recycling industries of processing regranulate and regrind. Our metal separators efficiently and reliably remove contaminants right at the material inlet above the machine.

Our metal detectors are installed directly before injection-moulding machines, extruders and blow-moulding machines to inspect slow-moving or standing material columns. Positioning our metal detectors there enables you to remove all magnetic and non-magnetic metals − even if they are embedded in the product − while ensuring minimal loss of material. More information on how Sesotec metal detectors and separators work is available here.

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

  • The detection coil’s 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.
  • At the same time, our systems exhibit the highest resistance to interference from vibrations and electrosmog.
  • The patented PROTECTOR metal separator guarantees secure, reproducible operation, even when dealing with high levels of dust.
  • Minute metallic particles are detected even under large mechanical loads in tall structures.
  • Preset operating parameters mean the control units are extremely easy to operate.
  • Our metal detection systems feature an auto-learn function to best compensate for the intrinsic conductivity of the inspected material.
  • The “Quick-Valve” separation unit ensures minimal loss of material.
  • Our metal detection systems can be used with machines from other manufacturers with the help of adapter plates.
  • Thanks to UL and CSA certification, they have also been approved for the North American market.


Functional principle (Example PROTECTOR)



Product example PROTECTOR


Design and alternative configurations 

Simple and easy assembly

The compact, space-saving design facilitates quick assembly.

Separation systems

Metallic contaminants are removed through the “Quick-Valve” separation unit and a venturi nozzle or the proven quick separating slide for high levels of material throughput.

Special designs

We offer designs for bulk good temperatures up to 140 ̊C and special mains voltages. The SAFEMAG magnet separator or a hopper magnet for the pre-separation of ferrous metals can also be integrated. Regarding manual separation and functional testing, buttons are available for custom placement in own housing.

Self-monitoring

Our systems have visual and acoustic signalling units, a digital event counter and a compressed-air monitoring system.


Products

PROTECTOR
Metal separator for extruders, injection moulding and blow moulding machines
Product Brochure

PROTECTOR MF
Metal separator for extruders, injection moulding and blow moulding machines with coarse-grained material
Product Brochure

PROTECTOR PROFESSIONAL
High-performance metal separator for extruders, injection moulding and blow moulding machines
Product Brochure


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fremdkoerperdetektion fleisch wp vorschaubild blog en

White Paper

Contaminant Detection in the Meat Industry

Unser White Paper beschreibt einige der Herausforderungen, die sich in der Fleischindustrie hinsichtlich der Produktreinheit und -sicherheit ergeben und erklärt die verfügbaren Technologien, die für die Detektion von Fremdkörpern zur Verfügung stehen.

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White Paper

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

Our White Paper informs you about the criteria that need to be considered when you choose machines and systems for the protection against contaminants and for metal detection.

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White Paper

Metal Detection steps up

Our White Paper describes the development of technologies in contaminant detection in the food industry.

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Important factors when buying a metal detector for plastics processing machines

How easy is it to install the metal detector in the production line – and how easy is it for your staff to operate the device?

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Detection of Plastics with X-Ray Systems in the Food Industry

Lecture by Sesotec X-ray Product Manager Uli Hurzlmeier concerning the "Food Safety" IFFA focus.

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Metal contamination in plastics processing – causes and countermeasures

In our white paper, we provide a detailed outline of the issues, their causes and the necessary countermeasures for eliminating metal contamination in the plastics processing industry.

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E-Book: Driving Impact - Safe food and saving food

In our e-book we show you, amongst others, what challenges the development of the world's population and especially food safety pose for manufacturers and processors and how they can still be mastered.

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Case Studies

Sesotec Convince Manufacturer of Pharmaceutical Packaging
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Case Studies

Aptar Relies On Sesotec Metal Separators For Machine Protection
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Sesotec metal separators optimise injection moulding process at leading medical technology company
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Metal-free granulate for SUZUKI motorcycle parts
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Quality assurance in the plastics industry with Sesotec metal detectors
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Case Studies

Added value with metal detectors in the plastics industry
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Maximale Produktivität der Spritzgießmaschine ohne Stillstand
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Double protection by metal separators and OPC-UA
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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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Industry Brochures

Product Purity. Optimal contaminant detection in the food industry.
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Complete product range for consistent contaminant inspection in the meat industry
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Optimum Productivity in the Plastics Industry
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Industry Brochures

All about PET
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Product Brochures

PROTECTOR PROFESSIONAL

Hochleistungsausführung Metallseparator für Extruder, Spritzgieß- u. Blasformmaschinen

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Product Brochures

PROTECTOR

Metall-Separator für Extruder, Spritzgieß- und Blasformmaschinen

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Product Brochures

PROTECTOR MF

Metall-Separator für Spritzgießmaschinen, Extruder und Blasformmaschinen

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