The FR321 and FR331 are hot-air shrink tunnels equipped with three independent heating zones, available in narrow or wide versions. They are suitable for barrier and non-barrier shrink films and a variety of product formats.
The three heating zones allow precise, independent temperature control at each stage of the product’s passage through the tunnel. The airflow can also be adjusted to achieve uniform shrinkage and an optimal product presentation.
The conveyor, fitted with rotating silicone-coated rollers, ensures even heat distribution. Its speed can be adjusted directly on the tunnel or via the upstream JNJ packaging machine.
The FR321/331 can be fitted with different hoods: type T for tray-packed products and type F for unsupported products, such as portioned cheeses or multipacks.
When connected to the JNJ ES101 packaging machine, the tunnel allows temperatures and conveyor speed to be controlled directly from the packaging machine. Settings can be stored in product recipes to simplify and speed up production changeovers.
Constructed entirely from stainless steel and thermally insulated, the tunnel is designed to simplify maintenance and reduce maintenance costs. A range of options is also available to adapt its configuration to the specific requirements of each packaging line.
Standard equipment
Options
Find all the technical information and specifications in our product datasheet.
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