Overview – Industrial Shrink Tunnel Machine for High-Volume Packaging
The APST-300 Heavy Duty Shrink Tunnel Machine is an industrial heat-shrink packaging system engineered for continuous, high-volume production environments. Manufactured by AmarPack Machines Pvt. Ltd. in India, the APST-300 utilizes balanced hot-air recirculation, digital thermal management and a variable-speed conveyor system to deliver consistent, high-clarity shrink wraps across bulk cartons, multipacks and heavy industrial bundles.
Designed to handle continuous operations, the APST-300 integrates into fully automated packaging lines alongside L-sealers, web sealers and custom conveyor systems. Featuring an insulated heating chamber and heavy-gauge construction, it processes thick shrink films including POF, PVC, LDPE and LLDPE with operational efficiency.
Primary Application: High-speed shrink packaging for cartons, beverage bottles, tray-less multipacks and heavy unit loads.
Core Advantage: Consistent heat distribution and structural durability for demanding industrial packaging lines.
Key Features of Our Heavy-Duty Shrink Tunnel Machine APST-300
High-Efficiency Hot-Air Recirculation: Equipped with a dual-channel hot air circulation system that maintains uniform thermal flow throughout the tunnel, minimizing heat loss and reducing power overhead.
Industrial-Grade Reinforced Frame: Constructed with a heavy-duty steel chassis and high-density thermal insulation to ensure long-term structural integrity and minimal heat dissipation.
Precision Temperature & Airflow Management: Features dual digital temperature controllers ($\pm2^\circ\text{C}$ accuracy) to maintain precise heat settings for delicate or high-gauge shrink films.
Heavy-Duty Conveyor Configurations: Compatible with live-roller rod, stainless steel wire mesh, or heavy-duty slat conveyors to accommodate varying pack dimensions and weights.
Technical Specifications
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Specification
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APST-300 Heavy-Duty Model
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Operational Benefit
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| Model Code |
APST-300 |
Standardized industrial model code |
| Chamber Size |
18" × 16" to 20" × 18" |
Suitable for large cartons and multipacks |
| Conveyor System |
Heavy-Duty Live Roller / SS Mesh / Slat |
Handles heavy unit loads |
| Production Speed |
15–40 packs/minute |
Supports automated packaging lines |
| Heating System |
Recirculating Hot Air |
Provides uniform heat distribution |
| Temperature Control |
0°C–300°C ±2°C |
Supports different shrink films |
Heavy Duty Shrink Tunnel Machine Price
The heavy duty shrink tunnel machine price depends on tunnel chamber size, heating capacity, conveyor configuration, film compatibility, automation level and customization requirements. Industrial models with higher heating capacity, reinforced conveyors and PLC-based controls generally cost more than standard shrink tunnel machines.
The APST-300 Heavy Duty Shrink Tunnel Machine can be configured according to product dimensions, production speed, packaging film and line-integration requirements. Optional features such as SS 304 construction, extended conveyors, PLC/HMI controls and customized tunnel dimensions can also affect the final machine price.
For the latest APST-300 price, specifications and configuration options, contact AmarPack Machines Pvt. Ltd. for a customized quotation.
Best Shrink Tunnel Machine Comparison – Portable vs Standard vs Heavy Duty Models
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Feature / Model
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APST-100 Portable
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APST-200 Standard
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APST-300 Heavy-Duty
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Primary Target
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Entry-level & small batch operations
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Medium-scale production units
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Continuous industrial lines
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|
Chamber Size (W × H)
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12" × 10"
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14"–16" × 12"–14"
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18"–20" × 16"–18"
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|
Power Setup
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1-Phase 220V / 3-Phase 440V
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3-Phase 440V
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3-Phase 440V
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Heater Configuration
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9 Heaters (6 kW)
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12 Heaters (9 kW)
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12–14 Heaters (9–10 kW)
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Motor Rating
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0.25 HP
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0.25 HP – 0.5 HP
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1.0 HP Heavy-Duty
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Daily Output Capacity
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50–200 packs/day
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500–1,200 packs/day
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1,200–2,500+ packs/day
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Need help choosing the right model? Our engineering team provides free consultation to help you select the perfect shrink wrapping machine based on your product size, production capacity, and automation needs.
Advanced Engineering Features
Precision Thermal & Airflow Control
The APST-300 Heavy-Duty Shrink Tunnel Machine is designed for consistent heat distribution and controlled shrink performance during continuous industrial packaging.
- Dual-Zone Digital Temperature Control: Maintains precise temperature settings with up to ±2°C control accuracy for consistent shrink results.
- Balanced Hot-Air Recirculation: Circulates heated air throughout the tunnel to provide uniform shrinkage across cartons, bottles, multipacks, and heavy-gauge films.
- Thermal Insulation: High-density insulation helps reduce heat loss and improves heating efficiency during continuous operation.
- Adjustable Airflow: Controlled airflow helps achieve uniform film shrinking while reducing the risk of overheating or uneven shrinkage with LDPE, LLDPE, POF and PVC films.
This combination of temperature and airflow control helps deliver consistent, wrinkle-free packaging for demanding production environments.
Heavy-Duty Industrial Construction
The APST-300 industrial shrink tunnel is built for demanding manufacturing and packaging applications.
- Reinforced Steel Chassis: Heavy-duty MS construction provides structural stability for continuous industrial operation.
- Double-Wall Thermal Insulation: Helps retain heat inside the tunnel while reducing external surface temperatures.
- Industrial Powder Coating: Provides protection against moisture and demanding factory environments.
- Optional SS 304 Cladding: Available for applications requiring enhanced hygiene and corrosion resistance, including food and pharmaceutical packaging.
High-Capacity Conveyor System
The APST-300 offers heavy-duty conveyor configurations for different product weights, dimensions, and packaging requirements.
- Heavy-Duty Roller Conveyor: Suitable for transporting cartons, multipacks, and other heavier packaged products.
- Stainless Steel Mesh & Slat Conveyors: Available for products requiring specialized conveying surfaces and higher durability.
- Variable Speed Control: Allows conveyor speed adjustment to control product dwell time inside the shrink tunnel machine and synchronize with upstream sealing equipment.
Safety & Packaging Line Automation
The APST-300 can be configured for integration with automatic shrink wrapping and packaging lines.
- Thermal Protection: Over-temperature protection and emergency shut-off systems help protect the machine and operators.
- PLC & HMI Integration: Optional controls can support recipe settings and synchronization with L-sealers, web sealers and sleeve wrapping machines.
- Safety Features: Emergency-stop controls, protective guards and insulated access doors provide additional operational safety.
Related Packaging Systems
Why AmarPack Is India’s Trusted Automatic Shrink Tunnel Machine Manufacturer
ISO & CE Certified Manufacturing
AmarPack Machines Pvt. Ltd. manufactures industrial shrink tunnel machines with a focus on quality, safety, reliability, and consistent packaging performance. Our manufacturing processes follow ISO 9001:2015 quality management practices, while applicable machines can be supplied with CE-compliant safety features for domestic and international applications. Each heavy-duty shrink tunnel machine undergoes inspection and performance testing before dispatch to ensure reliable operation in demanding production environments.
Nationwide Technical Support & Service
AmarPack provides technical support and after-sales service across India for shrink tunnel machines and automated packaging systems. Our engineering team assists with machine installation, commissioning, operating guidance, troubleshooting, maintenance, and spare parts. This service support helps manufacturers maintain production efficiency and minimize unnecessary machine downtime.
27+ Years of Engineering Expertise
Founded in 1998, AmarPack has 27+ years of experience in packaging machine manufacturing and automation. With 1,000+ installations across India and overseas, we provide reliable shrink tunnel machines, shrink wrapping machines, web sealers, L-sealers and conveyor systems designed for different production and automation requirements.
Looking for a heavy-duty shrink tunnel machine for your production line? Contact AmarPack for machine specifications, customization options and a quotation.
FAQs – Heavy-Duty Shrink Wrapping Machine