The modified atmosphere packing machine (MAP) can extend the shelf life of fresh products by replacing the air inside the package with a controlled gas mixture, usually nitrogen, carbon dioxide, or oxygen. The machine automatically completes processes such as tray sealing, vacuuming, gas flushing, and film sealing to create a protective atmosphere inside the package. This process effectively slows down microbial growth and oxidation, helping maintain the freshness, color, and flavor of food products during storage and transportation.
This machine is widely used in the food processing and packaging industry. It is suitable for packing a variety of products such as fresh meat, poultry, seafood, fruits, vegetables, cooked foods, baked goods, and ready-to-eat meals. With its advantages of high sealing quality, efficient operation, and improved food preservation, the modified atmosphere packaging machine provides an ideal solution for supermarkets, food factories, central kitchens, and catering suppliers that require reliable and hygienic packaging.
Modified atmosphere packing machine applications
The modified atmosphere packing machine is extensively applied in the packaging of various fresh and chilled foods that require tray sealing and preservation. It is ideal for packaging products such as fresh-cut meat, aquatic products, poultry portions, frozen foods, fruits, vegetables, and prepared fresh dishes. By adjusting the gas composition inside the package and sealing it tightly, the machine helps create a stable storage environment that keeps food in better condition during transportation and storage.
This equipment is particularly suitable for businesses involved in fresh food processing, cold chain distribution, and retail packaging. It allows producers and suppliers to package food in standardized trays that are convenient for logistics, retail display, and consumer purchase. From centralized fresh food distribution to supermarket shelf sales, the modified atmosphere packing machine supports efficient packaging operations and helps maintain product quality throughout the supply chain.
Modified atmosphere packaging machine structure
- Integrated touch screen: Serves as the central control interface for setting packaging parameters (e.g., gas mixing ratio, sealing time, vacuum level) and monitoring operational status.
- Start button: Initiates the automated packaging cycle (including vacuuming, gas flushing, sealing, and film cutting) with a single press.
- Emergency stop button: Immediately halts all machine operations in case of malfunction or safety hazards to protect operators and equipment.
- Film release system: Feeds the packaging film (typically a barrier film) from the roll to the packaging station, ensuring smooth and consistent film supply.
- Film collecting system: Retrieves and winds the used film scraps after the packaging process, maintaining a clean working area and preventing film jams.
- Antioxidant pure aluminum mold: Holds the product containers (e.g., trays, cups) during packaging; its antioxidant properties ensure food safety and extend mold service life, while the aluminum material provides efficient heat conduction for sealing.
- Dual safety control buttons: Require simultaneous pressing by the operator to activate the mold/clamping mechanism, preventing accidental activation and ensuring operator safety during operation.
How does the modified atmosphere packing machine work?
- Product Loading: Place fresh meat, poultry, seafood, fruits, or vegetables into the tray or package.
- Tray Sealing Preparation: The machine aligns the tray and film, ensuring a tight seal area.
- Air Evacuation: Oxygen inside the package is removed using a vacuum system to slow down oxidation and microbial growth.
- Gas Injection: A controlled mix of gases (commonly CO₂, N₂, and O₂) is introduced to preserve freshness and extend shelf life.
- Film Sealing: The tray is sealed with a top film under vacuum or gas-flushed conditions to ensure airtight packaging.
- মান নিয়ন্ত্রণ: Sensors check sealing integrity, package pressure, and gas composition to maintain consistent quality.
- Final Output: Finished packages are ready for storage, distribution, or retail display with prolonged freshness.
Modified atmosphere packing machine advantages
- Automatic Mold Change: Intelligent mold replacement without manual handling; supports multi-mold production with built-in mold racks for safety and protection.
- Durable Construction: Full 304 stainless steel body, reinforced structure suitable for any production environment, capable of withstanding high forces.
- Rodent-Proof Design: Complete anti-rodent structure; control box remains protected, external cables fully stainless steel-wrapped.
- Easy Cleaning & Maintenance: Removable lower molds and side panels simplify cleaning and maintenance.
- Smooth & Stable Operation: Triple damping system on lower molds (pneumatic, hydraulic, mechanical) ensures smooth, low-impact packaging.
- Convenient Air Gun: Facilitates cleaning and maintenance.
- Precise Film Control: Brake-equipped film motor and pneumatic film tension provide smoother and more accurate film handling than manual operation.
- User-Friendly Software: Simple, safe mold changes; one-click reset; single/double-hand start; pre-warning for gas preparation; compressor water and pressure alarms for safety.
- Advanced Gas Control (Optional): Pre-set gas ratio adjustment, stable fixed-mix system for faster, more efficient gas use.
- Vacuum Efficiency: Dual-chamber vacuum replacement saves up to 50% gas; digital vacuum ensures uniform packaging every cycle.
- Flexible Packaging Options: Supports flat, convex, or concave trays for versatile product applications.
Versatile packaging solutions for fresh and ready-to-eat foods
- Compartmentalized Packaging – Ideal for separating multiple items in a single tray, keeping flavors distinct.
- Premium Modified Atmosphere Packaging – Extends shelf life and maintains freshness for high-end products.
- Vacuum Packaging – Ensures tight sealing and optimal preservation for perishable goods.
- Custom-Shaped Packaging – Designed to fit unique product forms, enhancing visual appeal.
- Round Packaging – Perfect for circular containers such as bowls or ready-to-eat meals.
- Recessed Packaging – Provides stability and protection for delicate or irregularly shaped items.
Modified atmosphere packing machine parameters
| Placement Type | Gas Flow / Vacuum | Gas Flow / Vacuum | Gas Flow / Vacuum | Gas Flow / Vacuum |
|---|---|---|---|---|
| মডেল | JR-M330S / JR-M330V | JR-M380S / JR-M380V | JR-M410 | JR-M450 |
| Max Film Width (mm) | 330 | 380 | 410 | 450 |
| Max Film Diameter (mm) | 240 | 240 | 240 | 240 |
| Gas Replacement Rate | ≥99% | ≥99% | ≥99% | ≥99% |
| Gas Humidity Accuracy (%) | ±2% | ±2% | ±2% | ±2% |
| Packaging Speed (s/cycle) | 8s / 15s | 9s / 15s | 10s / 15s | 10s / 15s |
| Output (boxes/hour) 2 | 500 / 300 | 500 / 300 | 500 / 300 | 700 / 500 |
| Output (boxes/hour) 4 | – | 800 / 500 | 800 / 500 | 800 / 500 |
| Power Supply (V/Hz) | 220 / 380 | 220 / 380 | 220 / 380 | 220 / 380 |
| Total Power (kW) | 2 / 3.5 | 2.6 / 4.5 | 3.5 / 5 | 3.5 / 5 |
| Working Air Pressure (Mpa) | 0.6 ~ 0.8 | 0.6 ~ 0.8 | 0.6 ~ 0.8 | 0.6 ~ 0.8 |
| Matching Air Compressor | 60L | 90L | 100 ~ 120L | 100 ~ 120L |
| Machine Weight (kg) | 175 / 225 | 245 / 315 | – | – |
| Machine Size (L×W×H mm) | 1020 × 920 × 1440 | 1100 × 1060 × 1450 | 1202 × 1205 × 1520 | 1202 × 1205 × 1520 |
উপসংহার
Choosing our Modified Atmosphere Packing Machine means improving product freshness, extending shelf life, and enhancing the overall appearance of your packaged food. With stable performance, efficient sealing, and flexible packaging options, this machine is an ideal solution for meat, seafood, fruits, vegetables, and ready-to-eat meals.
In addition to the modified atmosphere packaging machine, we also offer a wide range of other food packaging equipment to meet different production needs. Feel free to contact us for more details and a customized solution for your packaging line.
