From bottle sorting through to high-sensitivity PET flake separation – Sesotec covers the complete range of contaminant separation and material flow sorting systems. Sesotec systems feature a modular design, which means that for every application the optimal components can be combined in a system.



The FLAKE PURIFIER C is a colour sorting system, developed to sort PET flakes and used to separate differently coloured PET flake streams into pure colour fractions. The FLAKE PURIFIER series is based on a modular concept in which up to three sensors can be combined. In addition to colour separation, the FLAKE PURIFIER can also perform metal separation and contamination detection (e.g. different types of plastics).
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The FLAKE PURIFIER M is a metal separation system, developed to analyse PET flakes and used to separate metal particles. New micro processor technology enables precise localisation of metal particles and separation with minimal loss of good material. The FLAKE PURIFIER series is based on a modular concept in which up to three sensors can be combined. In addition to metal separation, the FLAKE PURIFIER can also perform colour separation and contamination detection (e.g. different types of plastics).
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The FLAKE PURIFIER N is a contamination separation system, developed to sort PET flakes and used to separate different types of plastics. PET flakes can now be separated from PVC flakes or organic material such as PLA (previously known to lower the quality of the recycling material dramatically or making high quality recycling impossible). The FLAKE PURIFIER series is based on a modular concept in which up to three sensors can be combined. In addition to contamination detection, the FLAKE PURIFIER can also perform colour separation and metal separation.
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The VARISORT C uses an advanced optical sensor capable of differentiating optically different materials precisely and consistently at high speed. It is particularly applicable in the separation of plastic bottles by colour and metals.
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The VARISORT M metal contamination separator consistenly and accurately reliably removes all kinds of metals from mixed material s. Some metal separators can have difficulty separating, for example, stainless steel, this is absolutely no problem with the VARISORT M – irrespective of the type of metal. A major application is the recovery of metal from light shredder fractions. In electronic scrap processing the VARISORT M is a cost effective and economic solution to the problem of recovering metals from crushed feedstock.
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The VARISORT N, utilising multiple spectrum analysis based on reflected light, separates out of specification contaminants from plastic material flows. High quality, high purity plastic fractions are the result, ready for subsequent processing is a high-quality plastic fraction.
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The split able tunnel detector DLS is used to analyse smalls and bulk materials on a conveyor belt or material chutes. Preferably used for high material. It detects all magnetic and non-magnetic metal contaminations (steel, stainless steel, aluminium) – even if enclosed in the product. On detection of metal, a signal device and a separation system can be activated or a signal can be send to process controlling.
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ELS

The single-layer, single-face ELS detector is used for examining individually packed products and bulk materials on a conveyor belt or a material chute, preferably with a low material height. It detects all magnetic and non-magnetic metal contaminations (steel, stainless steel, aluminium) – even if enclosed in the product. On detection of metal, a signal device and a separation system can be activated or a signal can be sent to process controlling.

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GLS
The metal detector GLS with closed detection head and rectangular opening is mainly used to analyse bulk material on conveyors or material chutes. It detects all magnetic and nonmagnetic metal contaminations (steel, stainless steel, aluminium) – even if enclosed in the product. On detection of metal, a signal device and a separation system can be activated or a signal can be send to process controlling. The closed design of the detector has the advantage to guarantee high metal sensibility within the detection head. Consequently, this metal detector is mainly used for highly precise detection tasks (e. g. in the food industry).
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OM
To protect crushers, hammer mills and other recycling machinery from damage caused by tramp iron parts the overband magnets are a often used separation equipment. For a thorough removal of ferrous contamination the magnet is placed above the flat or trough conveyor either across or inline. Overband magnets are self cleaning separation systems and can therefore be used for continuous product flows. The magnetic pack is protected by a wear-resistant stainless steel cover. All OM are equipped with belt guards on both sides to prevent belt damage due to entrapment of steel between magnet and belt. Furthermore a electric drive and eye bolts are to be supplied. As a option S+S can also offer a control unit or hydraulic driven systems for mobile plants.
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For the separation of ferrous contaminants, plate magnets are installed in a continuous material flow above conveyor lines, in free fall, under chutes and slides, etc.

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PRM
This magnetic separation system is predominantly used for the removal of ferrous contaminations from fibrous products and materials that tend to ‚bridging’. Also for higher throughput capacities inline chute magnets prove a good separation result. This magnet system is particularly suitable for the removal of tramp iron e. g. bolts, nuts, washers, a.s.o.. But also smaller particles are attracted by the strong magnetic flux field.
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RM
Tubular inline magnetic separators are used in pipeline conveyors to thoroughly separate ferrous metals from bulk materials. The housing as well as the conical top of the magnetic core are made of corrosion-resistant stainless steel (1.4301). There is sufficient clearance between the magnetic core and the housing to ensure free product flow, even when metal contaminants are adhering to the core.
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Inline magnet system for inspection of bulk goods that tend to bridge or cake. The rotating action of the magnetic rod matrix, driven by an electromotor, prevents blockages of the separator and ensures that the product remains in close contact with the magnets.
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The inline magnet ROTOBOX AUTO-CLEAN is installed in process lines when ferrous contami-nations or magnetised stainless steel particles shall be separated from material that tends to bridging or showing non-free-flowing characteristics. Due to the rotation of the magnetic rods the unit prevents blockage, but still offers best separation results.
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SM
Permanent magnetic filter bars can be installed anywhere in the bulk material stream. The extremely high magnetic forces separate even weakly magnetized stainless steel particles from the product stream.
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TM

Applying efficient neodymium magnet with a remanence of 1.200 mT (12.000 Gauß) ferromagnetic particles are reliably separated,which reduces the risk of expensive repairs and plant downtimes. The rotating drum shell is equipped with cleats that continuously strip off all the magnetic contaminants from the system. The rotary motion of the drum shell transports these ferrous materials out of the magnet range where they fall off via a diverter shield.

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TMG
This system is suitable for a continuous separation of tramp iron and midsized ferrous contamination from various dry bulk materials. A adjust-able 180° magnetic section inside the rotating drum shell attracts the ferrous contaminants and rotates them out of the material flow. After leaving the terminated magnetic field all separated particles fall off the system. Non-ferrous materials pass the drum separator unaffected.
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WM

Permanent magnetic head rollers are designed to replace the drive roller at the discharge end of belt conveyors. This primary system removes coarse and medium-sized ferrous contaminants.

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