Steam Heat Tunnel, Double Zone Shrink Tunnel
Double-zone steam shrink tunnels divide the shrinking process between upper and lower steam sections, with independent temperature control for each section. Their upper and lower steam sections provide 360° steam coverage and heat the sleeve more evenly along the full height of the container. The position and steam flow of each outlet can be adjusted for different container heights and shapes to keep the sleeve close to the surface and reduce wrinkles and air bubbles. These steam shrink tunnels can be integrated with sleeve applicators and conveyors for continuous production at 300–800 containers per minute.
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Applications
Suitable for food and beverage, personal care and household product containers, with sleeve applications including:
- Tamper-evident bands
- Partial-body sleeves
- Full-body sleeves
- Full-body over-the-cap sleeves
- Multipack sleeves
Sleeve Shrinking Process
Technical Specifications
| Model | |
|
| Blower Power | 0.4 kW | 0.7 kW |
| Power Supply | 220–380 V, 3 Phase, 50–60 Hz | 220–380 V, 3 Phase, 50–60 Hz |
| Machine Dimensions | 1800 × 500 × 1300 mm | 2800 × 600 × 1300 mm |
| Net Weight | 330 kg | 500 kg |
Features
- Double-zone steam shrink tunnels have upper and lower steam sections to distribute heat across different areas of the container.
- The steam temperature can be set between 95–120°C, with fluctuations kept within ±3°C.
- Each steam outlet can be adjusted for height, position and flow.
- Steam reaches the container from above, below and all sides for 360° coverage, including high-shoulder, curved and flat bottles.
- Designed with a SUS304 stainless steel construction and an insulated outer layer.
- Can be paired with sleeve applicators and conveyors on continuous lines running at 300–800 containers per minute.