High-Speed Duplex VFFS Nuts Packaging Machine with Multihead Weigher

For medium and large nut manufacturers that need more output than a standard single-lane bagging line can provide, the Smart Weigh twin VFFS nuts packaging machine weighs, fills and seals two retail bags at the same time. One multihead weigher supplies two vertical bag formers, helping the factory reach up to 150 packs per minute without installing two complete weighing and packaging lines.

Designed for almonds, peanuts, cashews, pistachios, hazelnuts, walnuts, coated nuts and premixed nut blends, the system can be connected to an existing roasting, cooling or seasoning line. Its compact layout, accurate portion control and optional nitrogen flushing make it particularly suitable for continuous, high-volume nut production.

Main Components of the Multihead Weigher with Twin VFFS System

This automatic packaging system typically includes:

• Infeed conveyor or Z type bucket elevator
• Multihead weigher machine
• Support platform
• Twin vertical packaging machine
• Finished bag conveyor
• Optional checkweigher and metal detector
• Optional rotary table, carton packing, or other end-of-line equipment

Each part works together to create a more complete and efficient packaging process, from product feeding to finished bag output.

Built for Higher-Volume Nut Bagging

A single VFFS line can become the bottleneck when a nut factory adds roasting capacity, launches smaller retail packs or increases daily production hours. Installing two separate packaging lines can solve the speed problem, but it also duplicates weighing equipment, platforms and floor-space requirements.

The twin VFFS configuration uses one multihead weighing system with a twin filling device to feed two vertical form-fill-seal units. Each side forms, fills and seals bags in a coordinated cycle. This delivers more output from a compact layout while keeping weighing and packing under one integrated control system.

This machine is a practical choice for factories that:

• Need to pack high-volume retail pillow or gusset bags

• Have outgrown a single vertical packaging machine

• Want packaging capacity to stay ahead of normal roasting-line output

• Need a compact alternative to two complete bagging lines

• Plan to automate inspection, cartoning or palletizing later

Explore more nuts and dried fruits packaging solutions.

Specification

Model	SW-P420-Twin VFFS Packing Line with Twin Filling Multihead Weigher
Weighing Range	10-1000 grams
Accuracy	±0.1-1.5 grams
Bag Style	Pillow bag, gusset bag
Bag Size	Length 60-300mm, width 60-200mm
Speed	Max 150 packs/min
Max. Film Width	420 mm
Film Thickness	0.04-0.09 mm
Air Consumption	0.7 MPa, 0.3m3/min
Voltage	220V, 50/60HZ

Specifications are based on the standard configuration and may be adjusted for the product, bag and factory requirements.

               

Twin Filling Device

Products weigh from 1 weigher, fills into 2 bag formers of vffs

               

Twin VFFS Packing Machine

Higher speed performance

Twin VFFS vs. a Standard Single-Lane Nuts Packing Machine

Frequently Asked Questions

1. Can this nuts packaging machine connect directly to an existing roasting line?

Yes. It can receive cooled or seasoned nuts from an existing line through an elevator or conveyor. For stable operation, Smart Weigh first checks the upstream output, discharge height, available space, product temperature at the packaging point and control signals. A buffer hopper is commonly recommended between the processing and packaging sections.

2. What happens when the operator changes the film roll?

The roasting line does not necessarily need to stop immediately. Nuts can be held temporarily in a correctly sized buffer hopper. After the film change, the twin VFFS line runs with sufficient reserve capacity to clear the accumulated product. The required buffer volume depends on the upstream output and expected changeover time.

3. Will the machine always reach 150 packs per minute?

No fixed speed should be promised without testing the product and package. The maximum reference speed is up to 150 packs per minute. Actual output depends on target weight, nut flowability, bag length, film quality, nitrogen-flushing time and upstream feeding stability.

4. Can it pack fragile nuts without excessive breakage?

The line can be configured with reduced drop heights and product-specific contact surfaces for cashews, walnuts, pecans and other premium nuts. A sample test is recommended because breakage also depends on the incoming product condition and the total drop from the feeder to the bag.

5. Is nitrogen flushing available?

Yes. Nitrogen flushing can be integrated for roasted and oily nuts. The final result also depends on the packaging film, seal integrity and gas-flow settings. If a residual oxygen target is required, include it in the project brief.

6. Can the machine control the percentage of different nuts in a mix?

The standard configuration accurately controls the total weight of a premixed product. It does not independently guarantee the ratio of each nut variety. If every package requires a controlled ingredient percentage, Smart Weigh can recommend a dedicated multi-product dosing and weighing configuration.

7. What information is needed for a quotation?

Please provide the nut type, target weight, bag style and dimensions, film specification, required packs per minute, normal and peak roasting-line output, nitrogen-flushing requirement, available floor plan and required inspection or end-of-line equipment. Product samples and packaging film are recommended for testing before final confirmation.

Upgrade Nut Production Without Adding Two Complete Packing Lines

The Smart Weigh twin VFFS nuts packaging machine is designed for manufacturers that need higher bagging capacity, consistent portion control and a practical connection to continuous processing equipment. From buffer design and signal integration to inspection, cartoning and palletizing, the line can be configured around the factory's current output and future expansion plan.