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FSW1300
FST
FST1300
The FST FSW1300 industrial tunnel freezer is designed for continuous, high-volume freezing of fish, seafood, poultry, meat portions, dumplings and other prepared foods.
A straight stainless steel mesh belt transports products through a 23.5-meter insulated freezing tunnel. Adjustable conveyor speed provides a freezing time of 10–50 minutes, allowing the equipment to accommodate foods with different sizes, thicknesses and inlet temperatures.
This straight-through food tunnel freezer is suitable for production plants that require stable output, continuous conveying and direct connection with upstream and downstream equipment.
Products are loaded onto a food-grade stainless steel mesh belt and carried through the insulated freezing chamber. Cold air circulates around the food while the conveyor speed determines the residence time inside the tunnel.
Compared with batch freezing, continuous tunnel freezing reduces repeated loading and unloading. The horizontal conveyor layout also simplifies connection with grading, preparation, glazing, weighing, packaging and cold-storage systems.
The final production capacity depends on the actual product dimensions, thickness, weight, inlet temperature and required outlet temperature.
Item | Specification |
|---|---|
Product name | Industrial Food Tunnel Freezer |
Model | FSW1300 |
Brand | FST |
Product code | FST1300 |
Reference product | Frozen fish |
Nominal capacity | 1,300 kg/h |
Product inlet temperature | +15°C |
Target outlet temperature | -18°C |
Freezer temperature | -38±3°C |
Freezing time | 10–50 minutes |
Cooling capacity | 230 kW |
Refrigerant | R404A, R507A or R717 |
Conveyor type | Food-grade stainless steel mesh belt |
Optional belt width | Up to 2,500 mm |
Speed control | Variable-frequency stepless adjustment |
Main material | SUS304 stainless steel |
Evaporator | Anti-corrosion aluminum finned-tube evaporator |
Insulation panel | Double-sided stainless steel polyurethane panel |
Panel thickness | 150 mm |
Defrosting method | Water defrosting |
Main electrical components | Schneider |
Approximate dimensions | 23.5 × 3 × 2.5 m |
Final production capacity, belt width, equipment dimensions, voltage and refrigeration-system scope should be confirmed according to the customer’s product and factory conditions.
The published configuration provides a nominal capacity of 1,300 kg/h for frozen fish.
This value is based on the stated reference operating conditions. The capacity for chicken, meat, dumplings or packaged food must be evaluated separately.
Factors affecting actual output include:
Product type
Product dimensions
Maximum product thickness
Weight per piece
Product inlet temperature
Required outlet temperature
Belt loading density
Product spacing
Selected conveyor speed
The long horizontal tunnel provides an extended freezing path for continuous food processing.
Its straight-through structure allows products to move directly from the preparation area into the freezing section and then toward packaging or storage.
The listed tunnel body dimensions are approximately 23.5 × 3 × 2.5 meters. Additional installation space should be reserved for:
Inlet and outlet conveyors
Refrigeration piping
Electrical cabinets
Cleaning access
Maintenance areas
Downstream equipment
A variable-frequency drive provides stepless conveyor-speed adjustment.
The freezing time can be set between 10 and 50 minutes according to the product specification.
Thin fillets, shrimp and pre-cooled foods may use a faster conveyor speed. Whole fish, meat portions and packaged products usually require a longer residence time.
The food-grade stainless steel mesh belt provides continuous product transportation and allows cold air to reach the lower surface of the food.
The belt can be configured according to product size and loading requirements. A working width of up to 2,500 mm may be selected for suitable projects.
Correct product spacing helps maintain airflow and more consistent outlet temperatures.
The continuous freezing system can be configured for:
R404A
R507A
R717 ammonia
R404A or R507A may be selected for Freon-based refrigeration systems. R717 is suitable for factories equipped with an industrial ammonia refrigeration plant.
The final refrigerant should be confirmed according to local regulations, available utilities and maintenance requirements.
The main internal structure is manufactured from SUS304 stainless steel.
The tunnel enclosure uses double-sided stainless steel polyurethane insulation panels with a listed thickness of 150 mm.
This construction supports:
Regular food-factory sanitation
Low-temperature operation
Resistance to humid processing conditions
Reduced heat transfer
Stable internal temperature
The reference production capacity is based on frozen fish.
Suitable seafood products may include:
Whole fish
Fish fillets
Fish steaks
Shrimp
Squid portions
Processed seafood
Whole fish and thick portions normally require a longer residence time than thin fillets or small shrimp.
The food tunnel freezer can process:
Chicken breast
Chicken wings
Chicken nuggets
Chicken portions
Prepared poultry products
Bone-in and thick poultry products should be evaluated according to their maximum thickness.
Suitable meat applications may include:
Meat slices
Beef or pork portions
Meat patties
Meatballs
Prepared meat products
Products should normally be arranged in one layer to reduce overlapping and uneven freezing.
Dumplings, buns, stuffed pasta and other formed foods can be transferred from forming equipment to the freezing tunnel.
Soft or moist products should be separated before entering the freezer to reduce sticking.
Trays, bags and cartons may also be transported through the tunnel.
Package dimensions, packaging material and product thickness should be included in the refrigeration and residence-time calculation.
The reference production capacity is 1,300 kg/h for frozen fish. Actual capacity depends on the product type, thickness, inlet temperature and required outlet temperature.
It can process fish, shrimp, chicken, meat portions, dumplings, prepared foods and stable packaged frozen products.
Yes. The conveyor uses variable-frequency speed control, providing a freezing time of 10–50 minutes.
The refrigeration system can be configured for R404A, R507A or R717 ammonia.
Yes. A conveyor width of up to 2,500 mm may be selected according to the product arrangement and production capacity.
The cooling capacity and refrigerant options are listed, but the complete refrigeration-system supply scope should be confirmed in the quotation.
Yes. Conveyor height, conveying direction, operating speed and control functions can be configured for connection with existing equipment.
