Industrial Plastic Extruder – Johnstech 50mm, 28:1 L/D, Variable Speed

🏭 Manufacturer Info

Manufacturer: Johnstech
Model: XJ50-28D
Screw Diameter: 50mm
L/D Ratio: 28:1
Motor: 22kW AC Motor, 415V
Drive Type: Variable Speed Drive (VSD)
Year Built: 2000
Condition: Used
Previous Use: Manufacturing 10mm Micro Poly Tube

📝 Description

This used Johnstech XJ50-28D single screw extruder is a compact and reliable extrusion machine ideal for small-diameter tube, pipe, and profile production. With a 50mm screw diameter and 28:1 L/D ratio, this extruder offers excellent melt homogeneity and output consistency, driven by a powerful 22kW AC motor (415V) and variable speed drive that provides a speed range of 10 to 150 RPM.

Previously used to manufacture 10mm micro poly tubing, this extruder is well-suited for polyethylene, polypropylene, PVC, and other thermoplastics. Comes complete with electrical panel and control system for turnkey operation.

⚙️ Specifications

• Model: XJ50-28D

• Screw Diameter: 50mm

• L/D Ratio: 28:1

• Motor: 22kW AC motor

• Voltage: 415V

• Drive: Variable Speed Drive

• Speed Range: 10 – 150 RPM

• Control Panel: Included

• Last Used For: 10mm micro poly tubing

• Build Year: 2000

• Condition: Used

🧪 Applications

• Micro tubing and small-diameter pipe extrusion

• Plastic profile manufacturing

• Polyethylene and polypropylene extrusion

• PVC and other thermoplastic material processing

• Laboratory or pilot-scale extrusion lines

• Custom tubing and wire coating lines

✅ Product Use Cases (Bulleted)

• Producing 10mm micro polyethylene tubing

• General-purpose plastic extrusion with small die heads

• Pilot production of new plastic materials

• Low to medium throughput extrusion lines

• Educational or R&D extrusion applications

• Compact single screw extrusion setups

• Precision control of output via variable speed drive

• Manufacturing plastic tubing for irrigation or lab use

• Controlled melt flow for thin-wall tubing production

• Extruding thermoplastics like PE, PP, or PVC

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