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Semi-Automatic Case Sealer – Nastro-SB-L

The SIAT Nastro-SB-L is an intelligent semi-automatic case sealer for uniform-size cartons. It incorporates on-board Logic, photocells and patented variable-speed technology designed to increase machine capacity by up to 70%. The L5, L6 and L8 configurations can seal cartons up to 500, 650 and 800 mm wide and high, respectively. Optional SIAT OptiRun connectivity provides additional production and machine-performance monitoring.

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Intelligent Semi-Automatic Case Sealing for Small, Medium, Large and Very Large Cartons

The SIAT Nastro-SB-L is a high-performance semi-automatic case sealer designed for businesses that need reliable, high-speed sealing of uniform-size cartons, with the added benefit of on-board Logic and intelligent machine control.

Available in L5, L6 and L8 configurations, the Nastro-SB-L can handle cartons ranging from smaller boxes through to very large cartons up to 800 × 800 mm, depending on configuration.

Unlike conventional semi-automatic case sealers, the Nastro-SB-L incorporates electronic control, photocells and patented variable-speed technology. SIAT states that this Logic system can increase total machine capacity by up to 70%, while providing operators with production information and machine diagnostics.

The machine can also be connected to SIAT’s OptiRun IoT platform, allowing businesses to monitor machine performance, productivity, operating time, tape consumption and other production information.

What Is the SIAT Nastro-SB-L?

The SIAT Nastro-SB-L is a semi-automatic case sealer for fixed or uniform-size cartons.

The operator manually adjusts the machine to the required carton dimensions. Cartons are then fed into the machine, where side drive belts transport them through the sealing section while adhesive tape is applied to the upper and lower flaps.

Why Is the Nastro-SB-L Different?

What distinguishes the Nastro-SB-L from a conventional semi-automatic case sealer is its integrated Logic system. The “L” in Nastro-SB-L stands for Logic. The machine uses an electronic board and photocells to detect cartons and control the sealing process, including patented variable-speed operation. SIAT designed the system to increase productivity while giving operators greater access to machine and production information.

SIAT’s patented variable-speed technology can increase total machine capacity by up to 70%, depending on operating conditions.

This makes the Nastro-SB-L particularly suitable for businesses looking to improve carton sealing productivity, machine visibility and operational efficiency without moving immediately to a fully automatic case sealing system. For businesses running significant carton volumes, this can translate into more productive use of the same machine footprint.

Production Monitoring and Machine Diagnostics

The Nastro-SB-L provides operators with instant access to machine diagnostic information through its display.

This can help operators identify problems more quickly and access useful information without immediately requiring service intervention.

  • Production and diagnostic information can help businesses:
  • Identify machine stoppages
  • Understand production performance
  • Troubleshoot operating issues
  • Reduce unnecessary downtime
  • Improve machine utilisation
  • Make better-informed maintenance decisions

Optional IoT Connectivity with SIAT OptiRun

For businesses wanting greater visibility across their packaging operations, the Nastro-SB-L can be equipped for connectivity with SIAT OptiRun. OptiRun provides access to machine and production information through a connected platform. Depending on the configuration, businesses can monitor information including:

  • Machine performance
  • Productivity
  • Working time
  • Machine downtime
  • Tape consumption
  • Production data
  • Alarms
  • Machine status

This provides an opportunity to move from simply operating a case sealer to having greater visibility of how that machine is performing within the production environment.

Why Does This Matter?

For higher-volume operations, machine data can help answer important production questions:

  • How many cartons are we sealing?
  • How much time is the machine actually running?
  • How often is the machine stopping?
  • How much tape are we consuming?
  • Where are production losses occurring?

This information can help businesses make more informed decisions about production, maintenance and future automation.

Smart Energy-Saving Operation

Energy efficiency is incorporated into the Nastro-SB-L as standard. The machine includes an energy-saving system, and the machine motors and conveyors can stop after a defined period when no carton is detected. This means the machine is not simply designed for high throughput; it is also designed to avoid unnecessary operation when cartons are not being processed.

Talk to Packserv About the SIAT Nastro-SB-L

If you are looking to improve carton sealing productivity while gaining greater visibility of machine performance, the SIAT Nastro-SB-L offers a combination of high-performance sealing and intelligent machine control.

With Logic on board, patented variable-speed technology, production diagnostics, energy-saving operation and optional OptiRun connectivity, it provides a more intelligent approach to semi-automatic case sealing.

Available in L5, L6 and L8 configurations, the Nastro-SB-L can be specified for a wide range of carton sizes, from smaller boxes through to very large cartons.

Contact Packserv to discuss your carton sizes, production requirements and the right SIAT Nastro-SB-L configuration for your application.

Technical Specifications

Nastro-SB L5 Nastro-SB L6 Nastro-SB L8
Minimum Box Size 120 × 150 × 90 mm*
Maximum Box Size 500 × 500 mm 650 × 650 mm 800 × 800 mm
Box Styles RSC / FEFCO 0201
Box Carton Weight 32 kg
Box Format Uniform carton
*Minimum carton height depends on the tape leg configuration: 90 mm with a 30 mm leg, 100 mm with a 50 mm leg and 120 mm with a 70 mm leg.

Machine Performance

Nastro-SB L5 Nastro-SB L6 Nastro-SB L8
Productivity 1,800 boxes/hour
Belt Speed 26–35 m/min, variable
Drive Belts Dual side
Adjustment Manual
Tape Width 25 / 38 / 50 / 75 mm
Tape Materials PVC / OPP / PET / Paper
Tape Reel Diameter 410 mm
Core Diameter 76 mm
Approx. Machine Weight 250 kg 260 kg 280 kg
Technical specifications can vary according to the selected L5, L6 or L8 configuration.
Make

Automatic Function

Mounting

Sealer Type

Intelligent Logic Control: Electronic control and photocells provide the foundation for the Nastro-SB-L’s intelligent variable-speed operation.

Patented Variable-Speed Technology: The machine can vary its operating speed according to the carton, with SIAT stating a potential capacity increase of up to 70%.

Large Carton Capability: The Nastro-SB-L range extends from the L5 configuration through to the L8, which can accommodate cartons up to 800 × 800 mm.

Semi-Automatic Operation: The operator feeds cartons into the machine while the Nastro-SB-L automatically transports and seals them.

Top and Bottom Sealing: The machine applies adhesive tape to both the upper and lower carton flaps.

Production Diagnostics: Operators can access machine diagnostic information directly from the machine display.

OptiRun IoT Connectivity: Optional connectivity allows businesses to monitor machine performance and production data remotely.

Energy Saving: An energy-saving device is included as standard.

Heavy-Duty Construction: The redesigned columns and upper frame are engineered to improve strength and resistance to vibration.

Easy Taping Head Maintenance: The top and bottom taping heads feature a quick-release system designed to simplify removal and maintenance.

No Compressed Air Required: The Nastro-SB-L does not require a pneumatic air supply for its standard sealing operation.

The SIAT Nastro-SB-L can be configured to suit a variety of packaging applications.

Optional features include:

  • Alternative taping heads
  • Different tape widths
  • Low-box configurations
  • Higher or lower working heights
  • Casters
  • Roller conveyors
  • Extendable conveyors
  • End/broken tape alarm
  • Three-flap folder
  • OptiRun IoT connectivity

Explore common packaging machinery terms, equipment types and technical terminology.

Packaging Machinery Glossary

Frequently Asked Questions

 

What is the SIAT Nastro-SB-L?

The SIAT Nastro-SB-L is a semi-automatic case sealer with on-board Logic, designed to seal uniform-size cartons using adhesive tape. It is available in L5, L6 and L8 configurations for medium, large and very large cartons.  
 

What does the "L" stand for in Nastro-SB-L?

The L stands for Logic. The Nastro-SB-L incorporates electronic control, photocells, variable-speed technology and machine diagnostics.  
 

What is Logic on the Nastro-SB-L?

Logic is SIAT's electronic control system for the Nastro-SB-L. It enables carton detection, variable-speed operation, machine diagnostics and access to production information.  
 

Can the Nastro-SB-L increase production capacity?

Yes. The machine’s patented variable-speed technology can increase machine capacity by up to 70%, depending on operating conditions.  
 

How fast is the Nastro-SB-L?

Production capacity is up to approximately 1,800 boxes per hour, depending on configuration and conditions. Actual throughput depends on the application.  
 

What size cartons can the Nastro-SB-L seal?

The range can accommodate cartons up to 500 × 500 mm with the L5, 650 × 650 mm with the L6 and 800 × 800 mm with the L8. Low-box L configurations can handle cartons down to approximately 50 mm high, depending on model and configuration.  
 

Is the Nastro-SB-L fully automatic?

No. The Nastro-SB-L is a semi-automatic case sealer. An operator feeds cartons into the machine and manually adjusts the machine for the required carton dimensions.  
 

Can the Nastro-SB-L monitor production?

Yes. The machine provides production and diagnostic information through its control system, while optional OptiRun connectivity can provide additional monitoring of machine performance, productivity, working time and tape consumption.  
 

What is SIAT OptiRun?

OptiRun is SIAT's connected monitoring platform. When the Nastro-SB-L is equipped for connectivity, it can provide access to machine and production information such as productivity, operating time, downtime and tape consumption.  
 

Does the Nastro-SB-L use variable speed?

Yes. The Nastro-SB-L uses SIAT's patented variable-speed technology to adjust machine operation according to carton detection and improve productivity.  
 

Does the Nastro-SB-L require compressed air?

No. The standard machine does not require compressed air for its case sealing operation.  
 

What tape widths can the Nastro-SB-L use?

The Nastro-SB-L can be configured with SIAT K-series taping heads using 50 mm or 75 mm tape, depending on the selected configuration.  
 

Is the Nastro-SB-L suitable for large cartons?

Yes. The L6 and L8 are specifically suited to larger carton formats, with the L8 capable of handling cartons up to 800 × 800 mm.

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