Polystyrene Foaming Machine
Hangzhou Fuyang Dongshan Plastic Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of polystyrene foaming machine in China, also supports customized service with low price. Welcome to wholesale high quality polystyrene foaming machine for sale here from our factory. Contact us for pricelist.
High Quality Polystyrene Foaming Machine EPS Pre-Expander for Packaging Box Production

1. Dynamic Process & Rotation Control
Variable Frequency Spindle Technology: Equipped with a frequency-controlled spindle, the system allows for real-time RPM adjustments tailored to specific raw material grades. This ensures optimal agitation and precise material level management, which is critical for achieving an accurate expansion weight.
2. Advanced Steam & Pressure Management
High-Precision Steam Suite: Incorporates specialized Yoshitake (Japan) relief valves paired with high-precision drainage and filtration units. This ensures a consistent, contaminant-free steam supply with minimal pressure fluctuation.
Atmospheric Stabilization: The bucket environment is governed by German BATTON angle-seat valves, international-grade pressure sensors, and a multi-valve exhaust system. This configuration maintains a constant temperature and pressure state, guaranteeing a stable and repeatable expansion process.
3. Thermal Precision & High-Density Optimization
Dual Proportional Control: Utilizing German BATTON dual proportional valves for both steam and air, the system achieves micro-adjustments in thermal input. Supported by high-sensitivity temperature sensors, this ensures the strict temperature tolerances required for high-density EPS production.

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
| Number | ltem | Unit | DS1200 | |
| 1 | Expand Chamber | Chamber | mm | φ1200×1470 |
| Effective Volume | m² | 1.35 | ||
| 2 | Steam | Entry | inch | DN50 |
| Pressure | Mpa | 0.5-0.6 | ||
| 3 | Compressed Air | Entry | inch | DN40 |
| Pressure | Mpa | 0.55-0.7 | ||
| 4 | Drainage | Upper Vent | mm | DN150 |
| Down Vent | mm | DN100 | ||
| 5 | Capacity | 12g | KG | 600-800kg/h |
| 18gl | KG | 900-1200kg/h | ||
| 25gl | KG | 1100-1300kgh | ||
| 32gl | KG | 1200-1400kgh | ||
| 6 | Total Power | KW | 31.05 | |
| 7 | Expanding Tolerance | % | ≤±0.5% | |
| 8 | Overall Size(L×W×H) | mm | 2300×2300×6000 | |
| 9 | Weight | KG | 5500 | |
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
Overseas Service
Turnkey EPS Production Line layout design service:

Package and shipment

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