Vacuum Exhaust Chamber for extruders

The vacuum exhaust chamber/device on an extruder is typically installed in the middle or rear section of the barrel of a twin-screw or single-screw extruder, and is used to remove volatiles and gases during the melt compounding process.

Vacuum Exhaust Chamber for extruders

Design

The exhaust chamber is made of SUS304 and features a special anti-backflow design (to prevent materials from being sucked into the stainless steel pipeline). Vacuum degree is adjustable.

Advantage

  • Vacuum removes gases and volatiles (e.g., moisture, additives) to prevent defects like bubbles and pinholes.
  • Optimizes plasticization and mixing for uniform melt.
  • Stabilizes melt pressure to ensure consistent production and dimensional accuracy.
  • Suits sensitive materials (PVC, TPE) by reducing corrosive gas damage and residual volatiles.

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