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TS separator
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TS separator


The TS drum screen removes long streamers, “bird’s nests” and agglomerations. It is suitable for continuous operation and easy to clean.

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TS separator

Reliable separation of streamers and bird’s nests

The drum screens are used to clean plastic pellets by removing streamers (angel hairs) and bird’s nests.

This cleaning ensures the highest bulk material quality for plastic pellets before they are processed further. Using drum screens eliminates problems that can typically arise in downstream processes, caused by the presence of streamers and bird’s nests.

The drum screen can also be used for process applications such as the removal of agglomerations in plastic powder processing.


  • Reliable removal of streamers and bird’s nests from plastic pellets
  • Suitable for continuous operation thanks to automatic screen cleaning
  • Drum screen available in optional smoothed and electro-polished variants
  • Suitable for use with various operation modes (pressure, vacuum or circuit operation)
  • Screening drum can be removed easily
  • Front maintenance port for cleaning and inspection
  • Optionally available with side maintenance ports for cleaning and inspection
  • Customized design based on the product and service


  • Compact design
  • Outstanding separation efficiency, with cleaning that is gentle on products
  • Removal of long streamers, bird’s nests and agglomerations


  • Throughput up to 120 metric tons per hour
  • Designed to meet customer requirements
  • Flange drill pattern compliant with DIN 2501 PN10, ANSI 150# or client’s standard

Operating principle

Plastic pellets contaminated with streamers or bird’s nests are gravimetrically fed into a rotating drum screen. The screen’s mesh size allows plastic pellets to flow through the screen, while the streamers and bird’s nests are kept back. These streamers are then transported to the streamer discharge by means of the drum rotation in conjunction with a targeted airstream. This airstream is applied locally to the surface of the screen, cleaning away any streamers that adhere to screen openings during operation.