Product details
The SJ150/35 is a high-capacity single screw extruder designed for industrial plastic processing, commonly used in the production of PE, HDPE, and PP pipes or sheets. The model designation "SJ150/35" signifies a 150 mm screw diameter and a 35:1 Length/Diameter (L/D) ratio, which provides enhanced melting and mixing efficiency for high-output operations.
1. Technical Specifications Overview
1) Screw Diameter: 150 mm
2) L/D Ratio 35:1 (High-ratio design for superior homogenization)
3) Motor Power: Typically 186 kW - 317 kW (250 - 425 HP), often using Siemens brands
4) Output Capacity: 400 - 1,180 kg/h, depending on material density and screw RPM
5) Gearbox: High-torque, low-noise precision transmission system
6) Cooling Method: Air-cooled or water-cooled barrel zones
2. Key Performance Features
1) Precision Processing: The 35:1 L/D ratio allows for a longer residence time, ensuring the plastic is thoroughly melted and degassed, which is critical for high-pressure pipe applications.
2) Durable Construction: Screws and barrels are typically manufactured from 38CrMoAlA nitrided steel with bimetallic coatings for high wear resistance.
3) Automation: Modern units feature PLC control systems (e.g., Siemens or Omron) for precise temperature and speed monitoring.





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Step 1
Payment and order readiness
Minimum order: 1 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
90 days
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Step 3
Packaging and dispatch
Ocean freight via Maersk · Approx. shipping fee: $ 0.84 for 1 unit · Transit time: Est. 17-24 days
Final packing, freight, and delivery dates are confirmed before dispatch.
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