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Product Details
Conical Twin Screw PVC Pelletizing Line is designed for PVC resin powder compounding and recycling granulation. The line uses an SJZ80/156 conical twin screw extruder, hydraulic screen changer, die-cut pelletizing system, air-blow conveyor, horizontal vibrating screen and air-blow storage silo to process PVC resin powder, stabilizer, calcium powder, lubricant and additives into stable PVC pellets.
Materials to be processed




Finished Products



PVC powder formulaRaw Material
350-450 KG/HrOutput Capacity
SJZ80/156Extruder Model
PVC pelletsFinal Product
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Applications



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Core Advantages
PVC-focused Twin Screw Structure
Optimized screw design improves plasticizing stability.
Accurate Temperature Control
PLC touch control simplifies operation and monitoring.
ABB Inverter Feeding
Reliable drive control keeps operation stable.
Flexible Output Adjustment
Stable output supports efficient continuous production.
Full Series Configuration
Stable output supports efficient continuous production.
Stable Continuous Production
Stable output supports efficient continuous production.
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Machine Video
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Production Process

01
Conical Twin Screw Extruder

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Hydraulic Screen Changer & Die-cut Pelletizing System

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Air-blow Conveyor

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Horizontal Vibrating Screen

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Air-blow Storage Silo
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The Production Line Consists Of
SJZ 80/156 Conical Twin Screw Extruder
1 PCHydraulic Screen Changer & Die-cut Pelletizing System
1 PCAir-blow Conveyor
1 PCHorizontal Vibrating Screen
1 PCAir-blow Storage Silo
1 PC08
Technical Parameters
| Extruder Model | Extruder Motor Power | Heating Power | Feeding Motor Power | Max. Output |
|---|---|---|---|---|
| SJZ51/105 | 18.5 KW | 12 KW | 0.37 KW | 80~120 KG/H |
| SJZ55/110 | 22 KW | 16 KW | 0.55 KW | 150-180 KG/H |
| SJZ65/132 | 37 KW | 24 KW | 0.55 KW | 200-250 KG/H |
| SJZ80/156 | 55 KW | 32 KW | 0.75 KW | 300-350 KG/H |
| SJZ92/188 | 110 KW | 52 KW | 1.1 KW | 750~850 KG/H |
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Factory Strength
20+Years Experience
20MAnnual Sales
72hPre-delivery Test
CE & ISOCertified Machines
Integrated factory and exporter with independent R&D, mould machining, complete machine inspection, and overseas commissioning support.






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Delivery & Container Loading
Polestar Machinery arranges machine packing, container loading checks, and export delivery coordination for plastic extrusion lines and auxiliary equipment.






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Customer Projects






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Frequently Asked Questions
Q1: What is the main extruder model for PVC pelletizing?
The core PVC pelletizing extruder is the SJZ series conical twin screw extruder, including SJZ51/105, SJZ65/132, SJZ80/156 and SJZ92/188. The popular SJZ80/156 model uses a 55kW main motor and supports about 350-450kg/h output.
Q2: What is the hourly production capacity of this line?
Capacity depends on the raw material formula. Virgin low-filler rigid PVC can reach the upper range, while high-calcium filled PVC and mixed recycled PVC normally run at a lower stable capacity.
Q3: How much power does the whole line consume?
Taking SJZ80/156 as an example, the main motor is 55kW, barrel heating is 32kW, feeding motor is 0.75kW and auxiliary cutting or cooling units add about 10-15kW. Total installed power is around 100-110kW, and actual running power is usually 70%-85% of installed power.
Q4: How many barrel heating zones are configured?
Small and medium models such as SJZ51, SJZ65 and SJZ80 use 4 independent heating zones. Large SJZ92/188 uses 5 heating zones. Standard cooling is forced air cooling with multiple fans.
Q5: What inverter brand is used for the feeding system?
The standard configuration uses an ABB inverter for the feeding motor, supporting stable speed adjustment and anti-jam feeding for high-calcium powder and recycled PVC materials.


