The Dual Chamber Vacuum Sealer packages solid, liquid, powder, and paste products in pouch format. Two alternating chambers permit loading in one station while vacuuming and sealing proceed in the other, establishing a continuous manual batching workflow.
Working Principle
Alternating Chambers
Two independent stations run alternate cycles. Moving the lid switches operation between sides.
In-Chamber Vacuum
Pouches are placed entirely inside the sealed chamber, subjecting both package interior and exterior to equalized pressure reduction.
Impulse Sealing
Thermal sealing bars fuse the pouch opening once target vacuum levels are reached.
Key Features of Dual Chamber Vacuum Sealer
Air Evacuation: Removes oxygen and moisture from bags prior to sealing to slow degradation.
Pressure Control: Digital sensors allow vacuum level adjustments based on product structure and pouch strength.
Automated Cycle: Integrates air evacuation, impulse sealing, cooling, and date stamping into one sequence.
Product Adaptability: Processes solids, liquids, powders, and pastes when configured with corresponding insert plates and seal settings.
Technical Parameters
|
Parameter |
Specification / Range |
|
Machine Type |
Dual Chamber Vacuum Sealer |
|
Sealing Bar Length |
400 mm / 500 mm / 600 mm / 700 mm / 800 mm |
|
Sealing Bar Quantity |
2 bars per chamber (4 bars total) |
|
Seal Width |
8 mm / 10 mm |
|
Chamber Distance (Bar to Bar) |
450 mm – 720 mm |
|
Vacuum Pump Capacity |
20 m³/h / 63 m³/h / 100 m³/h / 160 m³/h / 200 m³/h |
|
Ultimate Vacuum |
≤ 1.0 kPa (10 mbar) |
|
Cycle Time |
15 – 35 seconds / cycle |
|
Frame Material |
SUS304 Stainless Steel |
|
Control System |
Digital PLC / Microprocessor Controller |
|
Power Supply |
220V/380V/415V, 50Hz/60Hz, 3-Phase |
|
Date Printing |
Thermal ribbon code / Embossed character code |
Model Selection Criteria
Chamber Dimensions: Selected according to maximum package length, width, and height. Pouch edges must lie flat across the sealing bar.
Sealing Bar Length: Dictates maximum pouch opening width or the total combined width of multiple smaller pouches processed per cycle.
Pump Capacity: Selected according to chamber volume and required cycle speed. Higher displacement capacity reduces evacuation time.
Packaging Materials
Barrier Pouches
Compatible with PE/PA laminates, aluminum foil pouches, and co-extruded vacuum bags.
Film Thickness
Material density and gauge (typically 70 to 180 microns) determine required sealing temperature and heating time.
Liquid Pouches
Requires inclined insert plates within the chamber to keep liquid levels below the sealing bar height.
Application Areas of Dual Chamber Vacuum Sealer
Meat & Seafood
Fresh pork, beef, poultry, fish fillets, and shellfish.
Agricultural & Processed Foods
Pickled vegetables, cooked meals, nuts, dried fruits, grains, and powders.
Industrial & Electronics
PCB boards, precision hardware, chemical powders, and medical instruments.
Operational Process
Load: Lay filled pouches on the table of chamber A with bag openings flat across the seal bar.
Evacuate & Seal: Lower the chamber cover to start air evacuation, heat sealing, and cooling.
Alternate: Load chamber B while chamber A completes its automated cycle.
Unload: Shift the cover to chamber B to start its cycle, then unload finished pouches from chamber A.
Technical Specifications to Confirm
Product Dimensions: Length × Width × Height (mm) and unit weight (kg).
Pouch Specifications: Material structure, thickness (microns), and flat opening width (mm).
Output Requirement: Target cycles per minute or total packages per hour.
Electrical System: Local voltage (V), frequency (Hz), and phase configuration.
Construction & Quality Verification
Structure: Stainless steel construction across working tables, chamber structures, and outer paneling.
Electrical & Pneumatic Assembly: Wire identification tagging, terminal block insulation tests, and pneumatic line leak checks during assembly.
Functional Testing: Vacuum pressure pull-down verification, heat seal tensile strength checks, and continuous chamber alternation tests before shipment.
FAQ
Q: Which products can a dual chamber vacuum sealer package?
A: Solids, liquids, powders, and pastes packaged in compatible vacuum bags.
Q: What is the difference between single and dual chamber vacuum sealers?
A: Dual chamber machines feature two alternating stations, allowing an operator to load one side while the other completes its vacuum and sealing cycle.
Q: How is chamber size selected?
A: Selection depends on maximum pouch length, width, height, and the number of bags placed per seal bar.
Q: Is the vacuum level adjustable?
A: Yes. Vacuum time and pressure thresholds are set via the digital control panel.
Q: Can the machine package liquids?
A: Yes. Inclined chamber insert plates maintain pouch angles to prevent liquid overflow during air removal.
Q: What parameters are required for a technical quotation?
A: Product type, package dimensions, pouch material and thickness, target hourly output, and site voltage.

