STF 120

Romaco Siebler STF 120 Rigid Tube Filling Machines

These fully automatic rigid tube fillers combine high speed production with optimal process control and premium quality. The fragile effervescent tablets are gently filled according to the rotation principle. Transfer modules with pick & place permit a safe transport of the tubes through the packaging process enabling high output and reproducibility. Only a small number of format parts are required to retool this versatile machine ready for production. The Romaco Siebler STF 120 series is the ideal solution for large batches and blockbuster products.

Benefits of the STF 120

  • Efficient product feeding facilitates high filling rates
  • Gentle filling of effervescent tablets
  • Safe handling even of very short tubes
  • Advanced level of automation provides total process control
  • Compact machine with a very small footprint
  • Very high line compatibility
  • Ready for Remote Assist
  • OPC UA interface for production data acquisition (PDA)

High Automation

  • Pick & place modules transfer the tubes to the filling station and discharge
  • Top performance because the tubes are transferred to the filling station in clusters
  • Integral servo technology
  • Various options for process monitoring
  • Controlled tube transfer to downstream line components

Gentle Product Handling

  • Unique rotation principle enables gentle filling of fragile effervescent products
  • Fast rotating filling cartridges allow controlled rotation and erection of the tablets
  • Safe processing of even very small, thin and soft effervescent tablets
  • Lateral stoppers permit stress-free separation of the filling volume

Short Retooling Times

  • Very easy to clean
  • Designed with only a small number of compact format parts
  • Filling volume on the tablet infeed conveyor can be adjusted independently of specific formats
  • Reproducible processes because parameters are precisely defined
  • Simple adjustment of the conveyor belt for tube transfer


  • Bespoke feed and transfer solutions
  • Inkjet printing
  • Various stations for dust aspiration and eliminating breakage
  • Level indication

Unique Feeding

  • Reproducible adjustment of the tablet thickness
  • Tablet conveyor belt can be exchanged without tools in a matter of minutes
  • No need to secure the product feed rails to the conveyor

Technical Data

Output tubes/minute max.120
Feed rate tablets/hour max.100,000
Tablet lanes8
Tablet diameter (min. – max.), in mm16 – 33
Tablet thickness (min. – max.), in mm3 – 12
Tablet hardness, in N≥ 40
Tablets per tube (min. – max.)5 – 30
Tube length (min. – max.), in mm60 – 200
Tube diameter (min. – max.), in mm18 – 35
Remote Assist connectionEthernet
PDA interfaceOPC UA
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