Sachet Machine

Sachet filling is a vertical form fill seal (VFFS) process. Two faces of film are drawn from a single reel, brought together and sealed down both edges to form an open-topped pocket. Product is dosed into that pocket, the top is sealed, and a cutting station separates the finished sachet from the web.

Sealing on all four sides is what gives the sachet its barrier performance. The seal path is continuous, and pressure and dwell time can be tuned independently on the vertical and horizontal stations. That matters most with technical films of three and four layers, where seal quality decides whether the pack holds its stated shelf life.

Control is through an industrial PC and touch screen, with servo-driven motion on the film transport and sealing stations. Recipes are stored per product, so a changeover recalls known-good settings rather than depending on how the machine was set up last time.

Three frames cover entry-level production through to high-output lines. All models run on 220, 400 or 440 V AC three-phase at 50 or 60 Hz and require compressed air at 6 bar.

Every frame is cabinet-enclosed with the film path protected, and the powder dosing units are mounted on a mobile platform that rolls out for cleaning rather than being stripped in place.

Each lane needs its own share of the reel. On the MVA12, four lanes gives a 150mm sachet at 280 a minute; fifteen lanes gives 40mm at 1050 a minute.

The ILPRA UK team will help you configure the dose, the sachet dimensions and the print area your pack needs, then identify the frame that reaches your volume at that width. Where the numbers sit near the top of one model’s range, the larger frame with lanes left spare is usually a better long-term choice.

Pack format sits alongside that decision rather than after it, since stick and sachet formats reach their output differently for the same dose. Take a look at our guide to choosing between stick packs and sachets for more detail.

The same frame handles very different products depending on how it is dosed. Liquids and semi-liquids are filled volumetrically or by piston, with flowmeter control where accuracy has to hold across a long run. Powders run on auger dosers sized to the product’s density and flow characteristics. Granulates and solid pieces run on cup or counting systems.

Alongside a standard straight-cut rectangle, sachets can be produced with laser scoring, rounded corners, a diamond profile and a top-seal finish. Double sachets join two packs with an intermediate perforation and triplex formats extend that to three. Shaped sachets are available, too.

Coding is built into the machine, with laser, inkjet and thermal transfer overprinting available, so batch, date and traceability marking runs at line speed.

A machine producing 800 sachets a minute goes through reel stock at a rate that outweighs the capital cost of the equipment within a few years, and film that has not been matched to the machine can result in seal failures, web wander and scrap long before it shows up as a saving.

We supply sachet film roll as part of the same conversation as the machine, in structures chosen for your product’s barrier and shelf-life needs, and it is available from commissioning rather than sourced separately once the equipment lands. Where the application allows it, recyclable and recycled-content structures can be specified without giving up seal performance.

A sachet machine is only as consistent as what feeds it, so most installations pair the machine with a dedicated product loading system sized to the doser.

Transfer systems move sachets off the outfeed, in-line weighing and camera inspection handle quality control, and end of line packaging equipment collates sachets into retail cartons. The machines are designed to integrate with secondary equipment, so cartoning and automation can be added later without rebuilding the line around them.

Installation and commissioning are carried out by our engineers, with operator training delivered on site as part of the handover. Servicing and maintenance, planned callouts and spare parts are all handled in the UK, which keeps response times measured in hours rather than days.