Used PTI 4.5" Trident Series Extruder, Model 4500. (6) barrel sections; water cooled; 24:1 L/D ratio; 13.976:1 gear ratio. Components include: PTI Model CPF-2000S crammer; Dynisco Model EH-60 screen changer; Gala Model 8.2 BF dryer; PTI Model CPF2000S pelletizer; 1750 RPM Flender Type SZNE 305 gearbox. 300 HP; 3/60/460V. Built 1999. Primarily ran HIPS, occasionally PP, HDPE, LDPE.
USED EQUIPMENT FACTS ABOUT THIS MACHINE
๐ญ Manufacturer Info
Manufacturer: Processing Technologies International (PTI)
Model: 4500 โ Trident Series
Year Built: 1999
Condition: Used
Line Type: Single Screw Extruder with Auxiliary Components
๐ Description
This used PTI 4.5โ Trident Series Extruder (Model 4500) is a high-capacity single-screw extrusion line ideal for a variety of thermoplastics, including HIPS, PP, HDPE, and LDPE. Featuring a 24:1 L/D ratio across six water-cooled barrel sections, the system is powered by a 300 HP motor and driven by a Flender Type SZNE 305 gearbox (1750 RPM) with a 13.976:1 gear ratio.
The complete extrusion line includes essential components for pellet production and material handling, such as a PTI CPF-2000S crammer, Dynisco EH-60 screen changer, Gala 8.2 BF dryer, and PTI CPF2000S pelletizer. Built in 1999 and maintained in production-ready condition, this system is ideal for compounders, recyclers, and resin manufacturers.
โ๏ธ Specifications
Screw Diameter: 4.5"
L/D Ratio: 24:1
Barrel Sections: 6 (water-cooled)
Gear Ratio: 13.976:1
Main Motor: 300 HP
Electrical: 3 Phase / 60 Hz / 460V
Gearbox: Flender SZNE 305 (1750 RPM)
Included Components:
Crammer: PTI Model CPF-2000S
Screen Changer: Dynisco Model EH-60
Dryer: Gala Model 8.2 BF
Pelletizer: PTI Model CPF2000S
Materials Processed:
High Impact Polystyrene (HIPS)
Polypropylene (PP)
High-Density Polyethylene (HDPE)
Low-Density Polyethylene (LDPE)
๐งช Applications
Polymer compounding
Resin pellet production
Plastic recycling and reprocessing
Masterbatch and color concentrate production
Thermoplastic blending and pelletizing
Sheet or profile pre-processing for extrusion
โ
Product Use Cases
Pelletizing HIPS, PP, HDPE, and LDPE resins
Compound production for custom plastic formulations
Filtering melt through screen changer to remove contamination
Cramming lightweight or low bulk density materials
In-line pellet drying and moisture reduction with Gala dryer
Producing uniform pellets for further extrusion or molding
Reprocessing and upgrading plastic scrap
Extrusion line for toll compounding facilities
Flexible operation for multiple thermoplastics
Industrial-scale extrusion with automated downstream equipment
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