Cooling tunnel for biscuits and chocolates
Ensure product quality and consistency with precision-controlled cooling tunnels designed for efficient cooling of biscuits, chocolates, and other confectionery items in a continuous high-speed production environment.

Cools and Conveys Chocolates and Biscuits Efficiently
The POWER III cooling tunnel from Prefamac is tailored for cooling and conveying applications in the food and non-food manufacturing industries. Its design accommodates a range of solid products such as biscuits, chocolates, and truffles, providing reliable temperature control across multiple cooling zones. Customizable to your operational needs, this system integrates seamlessly into continuous, high-speed production lines with PLC control and optional remote monitoring. Prefamac’s cooling tunnel ensures energy efficiency with adjustable air or water-cooled systems, employing either convection or radiation cooling methods. Constructed with a robust stainless-steel frame, the tunnel offers customizable belt widths for optimal integration and ease of cleaning, minimizing downtime and maintenance with hinged, food-grade PVC covers. Suitable for diverse applications, it serves biscuit manufacturers, chocolatiers, and custom industrial equipment users seeking reliable efficiency and precision in their cooling processes.
Benefits
- Ensures consistent product quality with precise temperature control across multiple cooling zones.
- Minimizes operational costs through energy-efficient air or water-cooled systems.
- Reduces maintenance requirements with durable construction and easy-to-clean, hinged covers.
- Increases production flexibility with customizable conveyor widths and cooling configurations.
- Seamlessly integrates into high-speed, continuous production lines with advanced PLC control.
- Applications
- Non-food items,Biscuits,Chocolates
- End products
- Cookies,Coated biscuits,Sweets,Chocolate bars,Non-food manufactured items,Truffles,Decorative chocolate pieces
- Steps before
- Baking,Molding,Conveyor Loading
- Steps after
- Packing,Coating,Quality Control
- Input ingredients
- biscuits,chocolates,non-food items
- Output ingredients
- cooled biscuits,cooled chocolates,cooled non-food items
- Market info
- Prefamac is known for manufacturing high-quality chocolate processing equipment, including tempering, enrobing, and cooling machines. The company is recognized for innovative and custom-engineered solutions tailored to the confectionery industry, emphasizing precision, efficiency, and reliability.
- Cooling zones
- Multiple,custom
- Length
- Custom,based on product requirements
- Carpet width
- 620-1600 mm
- Conveyor belt type
- Knife at ends,belt scraper,roll scraper
- Drive system
- Single or double drive
- Cooling system
- Air-cooled or water-cooled
- Cooling method
- Convection or radiation cooling
- Air speed
- Optionally adjustable
- Evaporators
- Separate with digital thermostat
- Pneumatic system
- Steering and belt tensioning
- Temperature range
- Custom,based on product requirements
- Electricity
- 380-420V 50Hz / 220-240V 60Hz
- Dehumidification
- Installation as needed
- Cooling Process Configuration
- Customizable cooling zones
- Product Compatibility
- Chocolate,biscuits,non-food items
- Conveyor Type
- Belt-driven
- Cooling Medium
- Air-cooled / Water-cooled
- Cooling Mode
- Convection / Radiation
- Automation Level
- PLC-controlled
- Operating Temperature Range
- Customizable via digital thermostat
- Evaporator Configuration
- Single or separate zones
- Insulation
- Optimal energy-saving insulation
- Drive Configuration
- Single or double drive
- Production Line Speed Compatibility
- Customized according to requirement
- Pneumatic System
- Belt tensioning and steering
- Cleanability
- Hinged hoods for easy access
- Dehumidification
- Installation according to need
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Product type
- Biscuit / Chocolate / Truffle / Non-food items
- Chocolate type
- Real / Imitation / Both
- Carpet width
- 400–1600 mm
- Cooling medium
- Air / Water
- Confectionery Cooling
- Biscuits / Chocolates
- Container type
- Tray / Conveyor belt
- Compact footprint
- Customizable
- Carpet width
- 400–1600 mm
- Tunnel length
- Customizable
- Material
- Pearled stainless steel
- Cover material
- Food-grade PVC rigid foam
- Conveyor belt type
- Knife at both ends,belt scraper
- Height adaptability
- Customizable
- Carpet width
- 620-1600 mm
- Tunnel length customization
- Based on product cooling time
- Cooling system type
- Air-cooled/Water-cooled
- Evaporator type
- Separate evaporators with digital thermostat
- Drive location
- Non-standard location available
- Cooling method
- Convection/Radiation
- Height adjustment
- Height of activity adaptable
- Conveyor belt type
- Knife at both ends,belt scraper and roll scraper