Welcome to ExtruderX Extrusion Machine Manufacturing Facility
Underwater Pelletizing System
Underwater Pelletizing System Manufacturer
ExtruderX’s underwater pelletizing systems merge advanced tech & rugged build, ideal for uniform, high-quality pellets from materials including modified plastics, masterbatches, thermoplastic elastomers. Precision-engineered, they deliver fast cooling, consistent particle size, minimal dust—perfect for sensitive/high-demand formulations. Trusted in plastics processing, packaging, automotive supply chains, our systems cut waste, boost productivity, ensure reliable results. Partner with ExtruderX for customized solutions for your specific production goals.

99.6%
Particle Uniformity
98.5%
Run Uptime
46%
Energy Savings
99.7%
Pellet Pass Rate
ExtruderX Solve Your Production Challenges
The ExtruderX Underwater Pelletizer uses die-cutter sync + precise temp control, delivering consistent pellets for masterbatches, TPE, bioplastics. Fits high-fill/thermosensitive formulas, ensuring uniform dimensions and reliable downstream process.
Our system has an ergonomic modular die head + tool-free quick-change parts, cutting changeover time by 40% for flexible production needs. It enables non-stop production, boosting throughput 35-40% vs. traditional models to lower operational costs.
Our system features advanced sealed cutting + built-in dust collection, minimizing dust during the pelletizing process. It meets global eco-standards, keeping workshops clean while ensuring stable pellet quality and safe operations.
The system integrates variable frequency drive + closed-loop cooling, saving 20% energy for long-term operational efficiency. It raises material utilization by 6-8% via precise dosage control, effectively reducing waste and operational costs.
Visit the ExtruderX Underwater Pelletizer Factory
ExtruderX Underwater Pelletizers, craftsmanship exceeding industry standards, ensure consistent pellet sizes, uniform cooling, and stable granulation for masterbatches, TPE, bioplastics. Adapting to high-fill, thermosensitive, delicate formulas, they deliver even particles and reliable material performance.



Underwater Pelletizer Pricing
Underwater Pelletizers for Sale
ExtruderX Underwater Pelletizers prioritize pellet size consistency, uniform cooling, and formula compatibility, with reliable performance tailored to meet diverse production needs for masterbatches, TPE, and bioplastics.

$14,000 to $185,000
PP/PE General-Purpose Underwater Pelletizer
Built for PP/PE (packaging film, injection grans) production, it enables high-speed, stable granulation. Equipped with prec temp control + cutting system, it guarantees consistent pellet size, uniform density, fits melt-flow PP/PE—ideal for packaging & injection molding industries.

$16,000 to $190,000
PA/PC Plastic Underwater Pelletizer
Tailored for PA/PC (auto parts, electronic housings) production, it features a modular die head + quick-change design for efficient switching. Precise shearing ensures smooth pellet surfaces and stable properties, adapting to rigid engineering plastics.

$18,000 to $170,000
PCR Recycled Plastic Underwater Pelletizer
Designed for PCR (recycled PP/PE/PS) production, it uses an optimized screw + multi-zone temp control for uniform plasticization. A precision cooling system guarantees consistent pellet performance, supporting sustainable recycling manufacturing.
What Type of Underwater Pelletizer Do You Need?
Beyond the three Underwater Pelletizer models (PP/PE, PA/PC, PCR) above, we also offer multiple other custom configurations for your selection. If you’d like to learn more details, feel free to contact us for inquiries anytime.
Underwater Pelletizer Product Specifications
ExtruderX offers high-quality underwater pelletizers, tailored to meet diverse plastic pellet needs — including color/functional masterbatches, TPE cable compounds, bioplastic pellets, and recycled plastic granules. Whether you need solutions compatible with high-fill, thermosensitive, or recycled plastics, or require production capacity ranging from small-batch to large-scale operations, our products can meet your specific requirements.
Below are the detailed specifications for the Underwater Pelletizer.
| Model | Diverter Hole No. | Knife No. | Knife Movement System | Water System | Output Capacity |
|---|---|---|---|---|---|
| EX300 | D35 | 10-12 | Manual | WP300 | 60-350 kg/h |
| EX500 | D45 | 25-35 | Manual | WP500 | 250-800 kg/h |
| EX1000 | D55 | 45-90 | Hydraulic | WP1000 | 2.2 ton/h |
| EX2000 | D65 | 110-170 | Hydraulic | WP2000 | 2.5-7 ton/h |
| EX4000 | D65 | 110-170 | Hydraulic | WP2000 | 3.5-9 ton/h |
| EX250 | D75 | 750-1050 | Hydraulic | PCWP250 | 11-22 ton/h |
| EXP300 | D125 | 1050-2100 | Hydraulic | PCWP300 | 22-38 ton/h |
| EXP400 | D165 | 2100-3100 | Hydraulic | PCWP400 | 35-55 ton/h |
Flowchart of the Underwater Pelletizing System

Flowchart of the Underwater Pelletizing System
Why Choose ExtruderX Underwater Pelletizer Solutions

What Our Clients Say
Below, you’ll find genuine feedback from clients using the ExtruderX Underwater Pelletizer. We’re proud to provide professional, top-tier Pelletizer solutions to clients in plastic granulation sectors—including plastic modification, recycled plastic, packaging industries.
We switch between color masterbatch and functional additive formulas daily—our old pelletizer left tons of residual material, slowing changeovers. ExtruderX transitions smoothly, no extra cleanup. Their team helped tweak knife settings in half a day, cutting our trial time by weeks.

Lila Carter, Technical Process Engineer
Before ExtruderX, our recycled plastic pellets had inconsistent size—customers kept rejecting batches. This machine controls pellet diameter within ±0.2mm, and it runs 24/7 without glitches. Complaints dropped to zero in the first month.

Jake Miller, Production Operations Manager
Last month, masterbatch orders spiked—our old pelletizer kept shutting down mid-run. ExtruderX ran steadily the whole week; the floor team says it’s far more reliable. We cut 2 overtime shifts that month, saving labor costs.

Zara Torres, Plant Production Supervisor
We tested 4 pelletizers for bioplastic production—ExtruderX was the clear top pick. Operators mastered controls in a day (the last one took 3 weeks!) and monthly energy costs dropped 12%—finance’s thrilled with the savings.

Ethan Cole, Procurement & Cost Supervisor
Latest Blog
Learn about the latest technical analysis and industry insights in the field of underwater pelletizers.

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Thermoplastic Rubber (TPR) is a category of polymer materials that combines the elasticity of rubber with the processability of plastics. Thanks to the advantages of reprocessability and customizable performance it has become an ideal alternative to traditional rubber. Understanding TPR helps optimize product material selection and reduce production costs. This article breaks down the core…
Frequently Asked Questions (FAQs)
A: An underwater pelletizer system is equipment for producing plastic pellets. It converts molten plastic into uniform granules. ExtruderX models cover various capacities, adapt to multiple materials, and enhance pellet quality & production efficiency.
A: Molten plastic is extruded through a die, cut by rotating knives, then cooled and solidified in water. ExtruderX systems use precise temperature control and knife adjustment to ensure uniform pellet size and stable forming.
A: Wear parts (e.g., knives, seals) of ExtruderX’s system last 3000–5000 hours, depending on material hardness and production intensity. We provide matching spare parts and replacement guidance.
A: ExtruderX’s system adapts to PP, PE, PA, PC, TPE and recycled plastics—covering general, engineering and modified plastics. Different models match materials’ melting properties.
A: ExtruderX’s underwater pelletizer system has a 12-month warranty, covering manufacturing defects of main components. We offer free troubleshooting and spare part replacement (non-human damage).
A: Standard models of ExtruderX’s system have a 2–4 week lead time; custom models take 4–6 weeks (based on modification complexity). We update production progress timely.
A: ExtruderX provides on-site installation and commissioning. Our professional team assists with equipment positioning, wiring, parameter calibration to ensure the system meets production targets.
A: ExtruderX’s underwater pelletizer supports customization. We adjust core configurations (screw specs, capacity, knife systems) after evaluating your requirements to provide a suitable plan.




