Siat S.p.A | L444-150 TC-CE

L444-150 TC-CE

Fully Automatic Four-Colour Flexographic Printing Machine

The L444 is a fully automatic flexographic printing machine for adhesive tapes, designed for autonomous, high-output in-house production with consistent and repeatable print quality.


When ergonomics and productivity meet in tape printing, the result is the
L444 – the only fully automatic flexographic printing machine in the SIAT range. Designed to maximize productivity while minimizing operator intervention, it sets a new benchmark in automated tape printing.

Controlled by a PLC with an intuitive touchscreen HMI, the L444 tape printing machine integrates advanced automation features to ensure continuous, stable, and high-quality production.

→ Fully automatic operation for maximum efficiency,
→ Perfect print registration with heated central drum.
→ Continuous production with automatic log roll change.
→ Precise tape alignment with electronic web guide.
→ Automatic tab application, cutting and discharge.
→ Modular setup with primer, release and corona options.



The L444 is ideal for:

→ Packaging manufacturers
→ Tape converters
→ Logistics and e-commerce companies
→ Industrial companies with high tape consumption
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Advantages

  • checkAutomatic log roll change with cut and hook system
  • checkAutomatic paper tab application and cutting
  • checkElectronic web guide for precise tape alignment
  • checkTape cut at the selected length (no more than 132 m): 48 mm - 50 mm - 72 mm - 75 mm
  • checkAutomatic discharge of finished rolls and core reloading

Key features

The L444 combines full automation with SIAT’s unique printing architecture to deliver continuous, high-output production with perfectly consistent print quality—minimizing operator intervention while maximizing control and efficiency.

 

HIGH PRODUCTIVITY AUTOMATION

  • Fully automatic operation with minimal operator intervention
  • Continuous production with automatic turret rotation
  • Automatic log roll change with cut and hook system
  • Stable high-speed performance up to 200 m/min

CONSISTENT PRINT QUALITY

  • Heated ceramic central drum for perfect registration
  • Consistent print quality across every roll
  • Electronic web guide for precise alignment
  • Repeatable results with reduced waste

FULLY AUTOMATED HANDLING

  • Automatic tab application and cutting
  • Automatic finished roll discharge
  • Automatic core loading system
  • Reduced manual operations and downtime

MAXIMUM APPLICATION FLEXIBILITY

  • Suitable for PVC, BOPP, Paper and Gummed tapes
  • Optional corona treatment for acrylic BOPP
  • Primer and release coating integration
  • Optional module for non-adhesive materials

SAFETY & RELIABILITY

  • Full safety guarding with interlocked systems
  • Ventilation and solvent exhaust system
  • Stable and reliable long-term operation
  • Designed for continuous industrial use

 

What is a Flexographic Printing Machine?

 

A flexographic printing machine is an industrial system used to print on flexible materials such as adhesive tapes, plastic films, paper, and non-adhesive substrates. It uses flexible printing plates (clichés) mounted on cylinders and transfers ink through an anilox roller, ensuring consistent and high-quality results.

The process is designed for continuous production: the material is unwound, optionally treated (e.g. corona or primer), printed in one or more colours, dried, slit, and rewound into finished rolls. This technology enables fast, cost-effective, and repeatable printing, making it ideal for packaging applications and branded tape production.

As highlighted in the SIAT L-Series, flexo machines allow in-house printing, high uptime, and consistent color quality across different materials

Why Choose a SIAT Flexographic Printing Machine?

 

With over 50 years of experience, SIAT has been a pioneer in the development of flexographic printing technology for adhesive tapes, contributing to set the standards for quality, precision, and performance in the industry.

Choosing a SIAT flexographic printing machine means relying on a technology developed with decades of expertise, designed to deliver consistent quality, operational efficiency, and long-term reliability in tape printing.

By bringing production in-house with a SIAT solution, companies can eliminate dependency on external suppliers, reduce costs related to minimum order quantities, and optimize inventory by producing exactly what is needed, when it is needed. SIAT machines are engineered to ensure stable and repeatable results, minimizing variability and maintaining high print quality across every roll.

This level of control significantly improves responsiveness to market demands. Companies can react quickly to urgent orders, seasonal campaigns, or customer-specific requirements, supported by machines that are easy to operate, quick to set up, and designed for continuous production.

Beyond operational efficiency, SIAT flexographic printing machines become a strategic asset for brand differentiation. Packaging evolves from a simple functional element into a powerful communication tool, enhancing brand visibility and perceived value with every shipment. At the same time, the flexibility of the technology enables short runs and frequent design changes, allowing companies to adapt quickly to evolving market needs.

Ultimately, choosing SIAT means investing not only in a machine, but in a reliable partner that helps increase margins, accelerate delivery, and turn packaging into a true competitive advantage.

Optional Features & Accessories

 

Category Optional Feature Benefit
Surface Treatment Corona treatment station Improves ink adhesion on difficult materials (e.g. acrylic BOPP)
Surface Treatment Primer coating station Ensures proper ink bonding on untreated substrates
Surface Treatment Release coating station Improves tape unwinding and protects printed surface
Printing Process 1-step / 2-step / 3-step configuration Adapts the machine to different materials and adhesive types
Printing Options Adhesive side printing Enables printing also on the adhesive side of the tape
Materials Non-adhesive materials printing module Expands application to plastic, paper, aluminum, etc.
Accessories Flexopol cliché making machine Enables in-house plate production, reducing lead times and ensuring full control of print quality

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Technical Specifications

 

Feature Description
Colours Up to 4 colours
Unwind Mandrel 3″ mechanical with dry clutch
Roll Specifications Width 150 mm – Max. diameter 400 mm
Spacer Set 12 – 15 – 19 – 25 – 30 – 38 mm
Speed Control 0–200 m/min via inverter

FAQ

 

What is a flexographic printing machine?
A flexographic printing machine is an industrial system used to print on flexible materials such as adhesive tapes, plastic films, paper, and non-adhesive substrates, ensuring consistent and high-quality results.

What is flexographic printing used for?
It is mainly used for packaging applications, especially for producing branded adhesive tapes and printing on flexible materials at high speed.

Why choose a flexographic printing machine?
Because it allows companies to bring printing in-house, reduce outsourcing, improve delivery times, and ensure consistent quality across every roll.

How does a flexographic printing machine work?
The material is unwound, optionally treated, printed in one or more colors, dried, slit, and rewound in a continuous production process.

How many colors can it print?
Flexographic printing machines for adhesive tapes can typically print up to four colors with consistent alignment and quality.

What are the advantages of in-house tape printing?
It reduces costs, increases flexibility, improves responsiveness to market demands, and allows full control over production and quality.

Options

Corona treatment station
Primer coating station

Release coating station
Adhesive side printing
Non-adhesive materials printing module

ideal for
these industries

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