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Double flight conveying elements are the most widely used design in twin screw compounding. They provide the best balance between free volume and torque transmission.

Best suited for:

• Feeding sections

• Venting zones

• Pressure control sections

Barrel with side feeding port for controlled addition of fillers, fibers or additives during processing.

Best suited for:

• Fiber reinforcement

• Filler addition

• Multi-component compounding

C-Clamp Barrel | Berstorff Type Twin Screw Barrel

Transition elements are designed to connect different screw element geometries while minimizing dead zones and material retention.

Best suited for:

• Transition between single and double flight elements

• Connection between SK and standard conveying elements

• Geometry change zones within complex screw configurations

CKE elements combine conveying and mixing functions, providing gentle material exchange with low shear and reduced energy consumption.

Best suited for:

• Heat-sensitive materials

• Low-shear compounding processes

• Applications requiring stable conveying with mild mixing

Single flight conveying elements provide higher conveying efficiency than standard double flight elements. Their wider flight design reduces leakage flow and increases pressure-building capability.

Best suited for:

• Feeding sections

• Extrusion zones

• Applications requiring strong conveying force