Thermatic® Groove Feed Extruder

Davis-Standard’s groove feed extruder technology and patented DSB® barrier screw design offer processors a fully engineered solution for high output applications. These high-performance extruders are based on Davis-Standard’s popular Thermatic® design. Davis-Standard has made significant advancements in groove feed section design and barrier screw design to enable processing high-output low-melt temperature, improved mixing and homogenization, and linear output.


  • Rugged, wear resistant, unitized groove feed housing with a removable and replaceable groove feed section.
  • Groove feed technology for pipe and profile applications.
  • Extruders available in sizes from 2 to 6 inches (50 to 150mm) in 42:1 L/D sizes.
  • Advanced spiral groove feed section designed for processing HDPE, PP and other thermoplastic resins.


  • 40-70% higher output rate at lower processing temperatures.
  • Improved energy efficiency resulting in approximately 25% savings.

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