Styrofoam Expansion Equipment
Hangzhou Fuyang Dongshan Plastic Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of styrofoam expansion equipment in China, also supports customized service with low price. Welcome to wholesale high quality styrofoam expansion equipment for sale here from our factory. Contact us for pricelist.
High Output EPS beads expanding machine Expandable Polystyrene Pre-Expander for Large Scale Styrofoam Production

As a premium EPS pre-foaming machine, this product redefines the standards of precision and efficiency in the EPS processing industry. Meticulously crafted in accordance with CE standards, it integrates cutting-edge technology and high-end components to deliver unparalleled performance and reliability. The intelligent control system with a touchscreen interface allows for precise adjustment of temperature, pressure, and density, ensuring consistent foam bead quality batch after batch. The advanced steam circulation system maximizes energy utilization, while the noise-reducing design creates a comfortable working environment. Made of high-grade stainless steel, the machine is corrosion-resistant, wear-resistant, and designed for long-term heavy-duty operation. It also features a self-diagnostic function that alerts operators to potential issues, minimizing downtime and maintenance costs. Ideal for high-end packaging, high-performance insulation, and precision molding applications, this premium EPS pre-foaming machine is the first choice for enterprises pursuing excellence and quality.

Features
- Stable density control with ≤ ±3% tolerance;
- Closed constant- pressure foaming, suitable for high altitude areas;
- High- quality hot air drying system for uniform beads;
- International brand components ensure long service life;
- Easy operation with PLC & recipe memory Advantages.

Frequency spindle
The spindle rotation speed can be adjusted according to the raw material process, for ensuring that the material leve can control the expanding weight precisely.
Steam system
Adopt relief valve from YOSHITAKE,Japan, with high- precision drainage valve and filter to ensure steam pressure more stable.
Pressure control
International pressure sensor, German BATTON angle- seat valve and multi- valve exhaust system are used to ensure constant temperature and pressure expanding in the bucket, make sure the expanding process more stable and accurate.
Temperature control
The international temperature sensor and German BATTON steam and air dual proportional valve are used to control the temperature, so maintain the precise expanding temperature, for high – density expanding.
Weighing and feeding
Electronic weighing for feeding, and the feeding weight is setup on the touch screen. The weighing device will automatically weigh to achieve accurate feeding.
Material level control
Adopt the vibration sensor from Korea to control expanding material level precisely, ensuring the uniform density of raw material particles.
Material level of fluidizer bed: the height of material level can be adjusted to ensure the aging effect of expanded particles.
Flap feeding device of fluidizer bed ensure the high efficiency of expanding particle feeding .
Crushing device at bottom of fluidizer bed: to ensure convenient clean of fluidizer bed.
Mark
1. automatic weighing system of density is optional.
2. X-1400, X- 1670 second expandable function is optional.




Technical Specifications
| Item | Unit | DSMAX1100B | DSMAX1400B | DSMAX1670B | |
| Expand Chamber | Chamber | mm | φ1100×1700 | φ1400×1800 | φ1670×2240 |
| Volume | m³ | 1.3 | 2.7 | 4.8 | |
| Effective Volume | m³ | 1 | 2 | 3.5 | |
| Steam | Inlet | inch | 2"(DN50) | 2"(DN50) | 2.5"(DN65) |
| Consumplion | kg/cycle | 6-9 | 8-11 | 11~14 | |
| Pressure | Mpa | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | |
| Compressed Air | Inlet | inch | 2"(DN50) | 2"(DN50) | 2"(DN50) |
| Consumplion | m³cyce | 0.5-0.8 | 0.6-0.9 | 0.7-1.1 | |
| Pressure | Mpa | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | |
| Drainage | Upper Vent | inch | 4"(DN100) | 5"(DN125) | 6'(DN150) |
| Down Vent | inch | 4"(DN100) | 5"(DN125) | 6'(DN150) | |
| Capacity | 12g/m³ | KG | 400 | 640 | 960 |
| 16g/m³ | KG | 500 | 840 | 1700 | |
| 20g/m³ | KG | 700 | 1000 | 1900 | |
| 25g/m³ | KG | 800 | 1250 | 2100 | |
| Total Power | KW | 21.4 | 24.9 | 31.9 | |
| Expanding Pipe | mm | φ150 | φ200 | φ250 | |
| Expanding Tolerance(20Kg/m) | % | ±2% | ±2% | ±2.5% | |
| Overall Size(L×W×H) | mm | 6400×3800×5200 | 8300×3300×5700 | 11000×4000×6000 | |
| Weight | KG | 3500 | 5500 | 6500 | |
Product Applications
Building Insulation Field
Packaging Industry
Advertising and Decoration Industry
Cold Chain Logistics Field
Other Fields

Why Choose Us

Certifications and Awards

the final view of project

Exhibitions with Global Customers

Our Service
Dongshan EPS Machine ServicesProfessional Pre-Sales, In-Sales & After-Sales Support for Global EPS Manufacturers
Pre-Sales
Technical Consultation
Customized Solutions
Quotation & Project Planning
In-Sales
Factory Tour
Installation Guidance
Operation Training
After-Sales
Technical Support
Spare Parts Supply
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Turnkey EPS Production Line layout design service:

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