The PVC pelletizing extrusion line boasts particularly prominent advantages, with high efficiency as its core trait. It enables continuous and large-scale production, significantly shortening the production cycle; meanwhile, through optimized processing procedures, it reduces energy consumption and notably lowers enterprises’ production costs. This dual “time-saving + cost-reducing” advantage allows enterprises to focus more energy on core business areas like product R&D and market expansion, enhancing overall operational efficiency. Hence, the PVC pelletizing line is currently favored by numerous customers.
In the fierce market competition, Blesson’s PVC pelletizing line has consistently maintained a leading position, driven by high-quality R&D, and stands as an ideal partner for industry development.

What is a PVC pelletizing line?
PVC pelletizing is a key process that converts polyvinyl chloride powder into homogeneous pellets through the processes of melt extrusion, hot cutting, and cooling.

Applications of PVC Pelletizing Line:

PVC raw materials/recycled materials → pelletizing → PVC pellets → extrusion plasticization → pipe forming → finished PVC pipes, PVC cables, PVC injection-molded pipe fittings, etc.

Market trend:
In the production of extruded products such as soft PVC pipes and various PVC injection-molded products, equipment usually uses pelletized materials as raw materials. This method not only effectively ensures the stable operation of production equipment but also, for formula systems containing calcium carbonate, can significantly reduce the wear of injection molding machine screws and molds, thereby helping enterprises lower overall production costs and equipment maintenance expenses. Our company’s PVC pelletizing production line provides professional solutions for customers based on such market demands.

Applications of PVC Pelletizing Extrusion Line:

Soft PVC Pelletizing, Cable Insulation Material Preparation, Soft Film Raw Material, Medical Equipment Base Material, Automotive Seal Raw Material, Rigid PVC Pelletizing, Various PVC Injection-Molded Products

Videos of PVC Pelletizing Extrusion Line

Advantages and Highlights
❶ Durability and Wear Resistance Guarantee
Screws/barrels are made of 38CrMoAlA nitrided steel (hardness HRC65+), with honing and polishing treatment, improving corrosion and wear resistance by 3 times.

❷ Energy-Saving Power System
Premium combination of  WEG permanent magnet motor + ABB ACS580 frequency converter, saving 30% more electricity than asynchronous motors and increasing torque by 20%.

❸ Intelligent Temperature Control Technology

Closed-loop temperature control of screw core heat conduction oil (precise adjustment between 80-110℃)
Vacuum exhaust with powder filtration device
Real-time monitoring by die pressure sensor

❹ Flexible Production Design

Adjustable operation direction (left/right)
Center height adaptive device
Optional vibrating screen/lifter to form an intelligent connected line

Basic Configuration and Core Values

Conical Twin-Screw Extruder
Function: Realize high-temperature shear plasticization of PVC powder.
Technical Advantages:
✓ Nitrided screw for full melting of raw materials
✓ Four-zone cast aluminum heating + fan cooling, with temperature control accuracy of ±1℃ (50-300℃)
✓ Permanent magnet motor with 20% increased torque, ensuring no speed drop under high-load extrusion

Hot-Cut Pelletizing Die
Function: Precisely shape the geometric dimensions of pellets.
Technical Advantages:
✓ 40Cr die body with hard chrome plating, corrosion-resistant and anti-material accumulation
✓ Ø3.5mm uniformly distributed hole design, with pellet diameter error ≤0.1mm. Customizable pellet sizes available.
✓ Quick-release flange bolt structure, enabling die replacement within 30 minutes

Hot-Cut Pelletizing Device
Function: Realize on-line cutting of molten materials.
Technical Advantages:
✓ Motor-driven blade with adjustable cutting frequency (0-120Hz)
✓ 3D adjustment mechanism (front/back, height, tilt angle) to adapt to raw materials of different viscosities
✓ Water-cooled blanking sleeve to prevent adhesion of high-temperature molten materials

Pelletizing Air Tank Group
Function: Cooling and conveying of pellets.
Technical Advantages:
✓ Three-tank combined cooling
✓ Ø127 stainless steel pipeline, corrosion-resistant and non-material-accumulating
✓ Intelligent frequency conversion adjustment of wind speed, ensuring uniform cooling without thermal stress

Optional Intelligent Connected Line System
Resonance Screen: 304 stainless steel three-layer gradient screen mesh, with 98% removal rate of overlong pellets.
Lifter: Spiral air cooling + bottom vibration reduction, with a lifting height of 3100mm (MS02).
Storage Silo: 1.7m³ capacity, with pneumatic butterfly valve for precise discharging.

PVC Pelletizing Extrusion Line of Model list:

WARRANTY AND CERTIFICATE OF CONFORMITY

Guangdong Blesson Precision Machinery Co., Ltd. provides a one-year warranty service. During the use of the product, if you have any questions about the product, you can directly contact us to obtain professional after-sales service. Guangdong Blesson Precision Machinery Co., Ltd. provides a product certificate of conformity for each sold product to ensure that every product has been inspected by professional technicians and commissioning personnel.

BLESSON-High Technology Expertise Certificate

We have successively passed the international GB/T19001-2016/IS09001:2015 Quality Management System Certification, CE certification, etc. And we have been awarded the honorary titles of “China Famous Brand”,”China Independent Innovation Brand” and “National High-tech Enterprise”. Many of our products have obtained various patent certificates.

Adhering to the business philosophy of “Integrity and Innovation, Quality First and Customer Centered”, we provide high-quality extrusion machines and outstanding service for our valuable customers.

Guangdong Blesson Precision Machinery Co., Ltd. focuses on plastic extrusion molding and automated equipment. Integrating research and development, manufacturing, sales, and service, it spares no effort in creating high-quality plastic machinery.

Blesson has been deeply involved in the plastic processing machinery industry for decades. With profound technical accumulation, it has unique expertise in the R & D and manufacturing of extrusion casting film equipment. By leveraging advanced technology and exquisite craftsmanship, it produces high – performance, precise and stable mechanical products. The brand collaborates with customers in many parts of the world and is highly favored by them.