Manufacturer of drying, cooling, classification and related vibratory process equipment


You’ve seen Witte plastics equipment featured on the Plastics News front cover. In serving the plastics industry for the past 50 years, we have constantly endeavored to make our equipment second to none in performance, ease of cleaning and reliability.

Witte is the choice of the industry’s most respected plastics companies including:

If you manufacture or compound plastic pellets, micropellets, powders or flakes, rely on Witte for:

  • Meeting exacting specifications for pellet classification, temperature and/or moisture content
  • Easy personnel access to entire system for cleaning
  • Decades of dependable, whisper-quiet operation with negligible maintenance
  • Energy savings
  • Instant access to skilled personnel

Integrate Pellet Dyring, Cooling, Screening in One Unit

Combine dewatering, drying, cooling, dedusting and screening into a single unit with the Witte 400, the first ever integrated, multi-step system for pelletizing both commodity and engineering resins.

Witte 400 diagram dryer cooler dassifier