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AKGJ-20 Small Vacuum Freeze Dryer | 0.3m² Drying Area, 4kg/24H Capacity, -70°C Cold Trap | Compact Silicone Oil Heating Freeze Dryer for Food, Lab, and Pharmaceutical Use

Compact and Precise Freeze Drying Solution for Small-Scale Food, Lab, and Pharmaceutical Preservation

The AKGJ-20 Small Vacuum Freeze Dryer is ideal for laboratories and research facilities requiring compact, efficient lyophilization. With a 0.3 m² freeze-drying area, silicone oil heating, and precise temperature control from -50°C to 70°C, it ensures high-quality drying for pharmaceuticals, biologicals, and food testing in small-batch scenarios.

Key Features

  • Compact design with 0.3 m² freeze-drying area and 3 sample trays

  • Silicone oil heating ensures uniform temperature distribution

  • Up to 4 kg of water captured per 24 hours with efficient cold trap

  • Shelf temperature range from -50°C to 70°C supports sensitive material drying

  • Vial capacity: 1300 pcs (12 mm), 810 pcs (16 mm), 430 pcs (22 mm)

  • High-performance vacuum reaches 2 Pa (unloaded)

  • Air-cooled system and high-temperature defrost for easy operation and maintenance

  • Observation window made from durable acrylic for real-time monitoring

Technical Specifications

Model: AKGJ-20
Heating Type: Silicone Oil Heating
Freeze-drying Area: 0.3 m²
Water Capture Capacity: 4 kg/24H
Tray Solution Volume: 3 L
Vial Capacity (12 mm): 1300 pcs
Vial Capacity (16 mm): 810 pcs
Vial Capacity (22 mm): 430 pcs
Shelf Size: 265 mm × 395 mm
Shelf Spacing: 50 mm
Number of Trays: 3
Shelf Temperature Range: -50°C ~ 70°C
Cold Trap Temperature: -70°C (unloaded)
Ultimate Vacuum: 2 Pa (unloaded)
Cooling Method: Air Cooling
Defrost Mode: High-Temperature Defrost
Operating Temperature: 10°C ~ 35°C
Storage/Transport Temperature: -40°C ~ 50°C
Relative Humidity: ≤70%
Dimensions: 594 × 718 × 1400 mm
Vacuum Pump Capacity: 4 L/S
Total Weight: 200 kg
Total Power: 3.0 kW
Main Material: 304 Stainless Steel
Observation Window Material: Acrylic

Compatible Equipment

To optimize performance and efficiency, the AKGJ-20 pairs well with:

  • Oil-sealed or dry Vacuum Pumps to maintain stable vacuum

  • Cold Trap Pre-Coolers to enhance moisture capture

  • Moisture Analyzers to confirm residual water content after drying

  • Inert Gas Purge Systems for oxygen-sensitive materials

  • Vial Capping and Heat Sealing Machines for secure post-drying packaging

Performance Highlight

The AKGJ-20 Small Vacuum Freeze Dryer offers precise control, strong vacuum capability, and compact form—all essential for labs with limited space but high standards. Its silicone oil heating system ensures consistent results across sensitive biological or chemical samples, making it a reliable tool for high-quality freeze-drying.

Watch Product Demonstrations

Explore real-world performance and applications in our product demo videos. Visit our video library for more insights and demonstrations.

Explore More Drying Solutions

Looking for other vacuum freeze dryers? Explore our full range to find the right fit for your lab needs.

We provide worldwide shipping for all laboratory equipment. Every order is carefully packaged to ensure safe delivery. If the item is in stock, it will be shipped within 3–7 business days after payment confirmation. For out-of-stock items, we will inform you of the estimated shipping time based on the specific product.

Shipping Methods: DHL, FedEx, UPS, or sea freight (depending on order size and destination)
Estimated Delivery Time:

  • Asia: 5–10 business days

  • Europe & North America: 7–12 business days

  • South America & Africa: 10–15 business days

  • Sea freight: subject to actual transit time

Tracking: A tracking number will be provided via email once the shipment has been dispatched.
Customs & Duties: Buyers are responsible for any import taxes or customs duties required by their country or region.

For bulk orderscustom packaging, or special shipping arrangements, please contact our team for personalized assistance at lab@equilrxnlab.com.

Product specifications

AKGJ Series Equipment Specifications
ParameterAKGJ-20AKGJ-30AKGJ-50AKGJ-100
SpecificationSilicone Oil HeatingSilicone Oil or Electric HeatingSilicone Oil or Electric HeatingSilicone Oil Heating
Freeze-drying Area0.3m²0.4m²0.6m²1m²
Water Capture Capacity4kg/24H6kg/24H8kg/24H15kg/24H
Tray Solution Volume3L5L6L15L
Vials (12mm)1300 pcs2600 pcs3690 pcs7380 pcs
Vials (16mm)810 pcs1620 pcs1940 pcs3880 pcs
Vials (22mm)430 pcs860 pcs1020 pcs2040 pcs
Shelf Length (mm)265300320360
Shelf Width (mm)395345320480
Shelf Spacing50mm50mm70mm100mm
Sample Trays3446
Shelf Temperature-50°C~70°C-50°C~70°C-50°C~70°C-50°C~70°C
Cold Trap Temperature-70°C (unloaded)-70°C (unloaded)-80°C (unloaded)-80°C (unloaded)
Ultimate Vacuum2PA (unloaded)
Cooling MethodAir Cooling
Defrost ModeHigh-Temperature Defrost
Storage/Transport Environment-40°C~50°C
Relative Humidity≤70%
Operating Environment Temperature10°C~35°C
Dimensions (mm)594×718×1400880×735×13201100×812×14201400×850×1725
Vacuum Pump4L/S6L/S8L/S16L/S
Total Weight200KG400KG500KG600KG
Total Power3.0KW4.5KW5.5KW6.5KW
Main Material304 Stainless Steel
Observation Window MaterialAcrylic

introduce

Application Scenarios

Application Scenarios for the Small Vacuum Freeze Dryer

  1. Home Food Preservation:
    The Small Vacuum Freeze Dryer is perfect for home use, enabling individuals to preserve fruits, vegetables, meats, and herbs with ease. It maintains the food’s natural flavor, texture, and nutritional value, making it ideal for long-term storage or emergency food supplies.

  2. Small-scale Laboratory Use:
    This freeze dryer is an excellent choice for small laboratories working with biological or pharmaceutical samples. It ensures the preservation of delicate samples, maintaining their integrity and quality for research purposes.

  3. Herb and Spice Drying:
    For those looking to dry herbs and spices, this vacuum freeze dryer offers the perfect solution. It preserves the full flavor and aroma of the herbs, making it ideal for culinary enthusiasts or small-scale spice production.

  4. Research Facilities:
    In research settings, the Small Vacuum Freeze Dryer helps preserve biological specimens, such as cell cultures, plant tissues, and microorganisms, ensuring their long-term stability without compromising their structure or viability.

  5. Small-scale Food Production:
    For small-scale food producers, this dryer is a great tool to dry meals and snacks while maintaining high-quality results. Whether you’re making freeze-dried meals for hiking or creating unique snacks, this freeze dryer offers a compact, efficient drying solution.

  6. Pharmaceutical Sample Drying:
    Pharmaceutical companies and laboratories can use this freeze dryer for drying sensitive chemical samples or pharmaceutical compounds, preserving their potency and stability for future use or testing.

Small Vacuum Freeze Dryer AKGJ-20 with 0.3 m² area and silicone oil heating system for lab use

peculiarity

Multi-functional Control System

Versatile Adjustments High Freeze-drying Efficiency Energy-saving and Power-efficient

Branded Vacuum Pump

Pure Copper Motor Continuous Operation Without Overheating No Oil Backflow, Prevents Material Contamination

European DANFOSS Compressor

Low Noise, High Power, Long Lifespan Excellent Cooling Performance Enhanced Stability

Silicone Sealing Ring

Ensures Vacuum Operation of the Equipment Anti-Aging, Safe and Reliable to Use

Scope of Application

Biopharmaceuticals

Scientific Research Experiments

Food Processing

industrial factory

Why choose us?

Factory direct sales

“Factory direct sales ensure affordability, reliability, and direct access to high-quality products.”

Reliable quality

“Reliable quality ensures trust, satisfaction, durability, and consistent performance.”

Worry free after sale

“Worry-free after-sale service ensures peace of mind and satisfaction.”

Customized service

“Customized services provide personalized solutions and tailored experiences.”

Actual Product Results at Client Locations

Explore real-world examples of our product in action at client locations, showcasing its effectiveness and performance across various applications.

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