Internal Circulation Heat Shrink Tunnel for POF and PVC Film Packaging
Internal circulation heat shrink tunnel for POF and PVC film packaging, suitable for boxes, trays, bottles and retail shrink packs.
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Description
The BSN series internal circulation heat shrink tunnel is designed for POF and PVC shrink film packaging. It uses controlled hot air circulation, adjustable conveyor speed and stable tunnel heating to shrink film evenly around boxes, bottles, tableware, stationery, daily products and other packaged goods.
Applications
- Food boxes, beverage bottles and daily-use products
- Tableware, disposable tableware and stationery packaging
- Cosmetics, cleaning products and small commodity packaging
- POF and PVC shrink film packaging after L bar sealing or side sealing
Key Features
- Internal hot air circulation for more even shrink effect.
- Digital temperature control with adjustable conveyor speed.
- Heat-resistant roller conveyor and optional conveyor materials according to product requirements.
- Multiple tunnel chamber sizes from BSN4020 to BSN7030 for different package widths.
- Adjustable worktable height, suitable for connecting with sealing machines and shrink wrapping lines.
Model Options and Technical Specifications
| Model | Voltage | Power | Tunnel Size | Max Product Size | Conveyor Speed | Load | Machine Size | Weight | Film |
|---|---|---|---|---|---|---|---|---|---|
| BSN4020 | 220V-380V / 50-60Hz | 5.5 kW | 800 x 400 x 200 mm | 200 x 100 mm | 0-15 m/min | 5 kg | 1100 x 560 x 660 mm | 60 kg | POF, PVC |
| BSN4020C | 220V-380V / 50-60Hz | 9 kW | 1200 x 400 x 200 mm | 200 x 100 mm | 0-15 m/min | 10 kg | 1600 x 560 x 660 mm | 80 kg | POF, PVC |
| BSN4020CK | 220V-380V / 50-60Hz | 9 kW | 1200 x 400 x 200 mm | 200 x 100 mm | 0-15 m/min | 10 kg | 1600 x 560 x 660 mm | 80 kg | POF, PVC |
| BSN5030 | 380V / 50-60Hz | 11 kW | 1200 x 500 x 300 mm | 300 x 150 mm | 0-15 m/min | 10 kg | 1600 x 660 x 760 mm | 90 kg | POF, PVC |
| BSN6030 | 380V / 50-60Hz | 11 kW | 1200 x 600 x 300 mm | 400 x 150 mm | 0-15 m/min | 10 kg | 1600 x 760 x 760 mm | 100 kg | POF, PVC |
| BSN7030 | 380V / 50-60Hz | 11 kW | 1200 x 700 x 300 mm | 500 x 150 mm | 0-15 m/min | 10 kg | 1600 x 860 x 760 mm | 120 kg | POF, PVC |
Temperature Setup Guide
For POF and PVC shrink film, the common shrink tunnel power range is about 5-20 kW and the temperature is usually adjusted around 140-160 C. For PE shrink film, the power is normally higher, often around 20-40 kW, and the working temperature is commonly set around 180-220 C.
The final temperature depends on film thickness, conveyor speed, product heat resistance and air circulation volume. If the conveyor speed is faster, the temperature usually needs to be increased. Thicker film normally requires higher temperature and higher power. If the product is not heat resistant, use lower temperature and thinner shrink film.
How to Choose a Model
- Choose BSN4020 or BSN4020C for small packages and compact production space.
- Choose BSN5030 or BSN6030 when package width and height are larger.
- Choose BSN7030 for wider products that need a larger tunnel opening.
- Confirm product size, film type, output speed and package weight before quotation.
Information Needed for Quotation
- Product size after packaging: length, width and height.
- Shrink film material and thickness: POF, PVC or PE.
- Required production speed and package weight.
- Whether the tunnel will connect with an L bar sealer, side sealing machine or sleeve wrapper.
Product Images
Machine Video
Watch the BSN internal circulation heat shrink tunnel video on YouTube:
BSN Series Internal Circulation Heat Shrink Tunnel Video
Machine Video
Technical Configuration
| Machine Type | Automatic packaging machine customized by product size and line layout |
|---|---|
| Suitable Products | Configured according to product shape, size, weight and packaging material |
| Packaging Material | Film, labels, caps or containers selected according to application |
| Control System | PLC and touch screen options available according to machine configuration |
| Customization | Feeding, coding, labeling, sealing and conveyor options can be matched to production needs |
Related Packaging Solutions
FAQ
What products can be packed with this shrink wrapping machine?
It can be used for boxes, trays, bottles, gifts, tableware, egg trays, bakery trays and other retail or bundle packaging.
Which shrink film can be used?
POF, PVC or PE shrink film can be selected according to product size, packaging strength and appearance requirements.
Can it be used in an automatic packaging line?
Yes. It can be connected with conveyors, L bar sealers, side sealers and shrink tunnels according to production layout.
Request A Quote
Tell us your product size, packaging material, target speed and production layout. Longteng Machinery will recommend the suitable machine configuration and provide a customized quotation.
