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Prolink S18 – A curve-negotiating specialist

Prolink S18 makes conveyors more flexible because it can handle straight, curved or complex sections. This lightweight plastic modular belt features high tensile load capacity, superior lateral rigidity, and plenty of open areas. It’s ideal for light to medium-weight products in food and non-food applications.

Siegling Prolink S18

Prolink S18
  • Overview
    Patrick Alpers

    “Prolink S18 specializes in curve and spiral applications in food and non-food applications. The belt handles straight and curve conveying and combines high mechanical load capacity with a low weight. The open Grid Top pattern facilitates airflow, drainage and cleaning. Thanks to the tight-mesh Grid Top configuration, smaller items are conveyed safely.”

    Patrick Alpers, Global R&D Prolink

    Why not arrange an appointment now?

    The curve specialist

    • Series 18 makes conveyor planning flexible

      More freedom in conveyor planning

      Seamless transitions from straight to curved

      Prolink S18 provides straight and curve conveying in one series of belts. Diverse versions enable adaption to tight curve radii and customized sections. You then have more freedom to design your conveyor and decrease any unnecessary transfer points between conveyor sections.

    • Series 18 Ready for hygienic processes

      Open-type design for hygienic processes

      Airflow and drainage included

      The belt surface has an open area of 44%. Water and fluids can drain off quickly. Air gets to the products conveyed directly. The open structure also makes cleaning easier. Therefore, Prolink S18 is suitable for packaged and unpackaged food and processes requiring exceptional airflow and drainage.

    • Series 18 light by design, but a powerful performer.

      Light by design. But a powerful performer.

      Exceptional stability for reliable conveying

      The belt is low weight but has high tensile capacity and superior lateral rigidity. This combination helps ensure reliable processes on straight and curved sections of the conveyor. The tight-mesh Grid Top pattern also keeps small products securely on the belt.

    Advantages of Prolink S18

    • Superb in curves: Developed for straight, curve and spiral conveying.
    • Superior tensile strength: Even handles conveying on demanding sections reliably.
    • Exceptional lateral stiffness: helps ensure stable tracking in curves.
    • An open area of 44%: For good airflow and drainage.
    • Suitable for small products: The tight-mesh Grid Top helps stop product loss.

    • Easy to clean: Suitable for packaged and unpackaged food.
    • Flexible versions: Diverse surfaces and curve shapes for different conveyor layouts.
    • More grip if required: Friction top versions help products on demanding conveyor sections.

    Go to the technical page or read the FAQs for more information.

    Add more flexibility to your conveyor

    Curved, spiral or complex conveyor designs require a belt that mirrors the configuration. Our Prolink experts will analyze your application and develop the right S18 configuration.

    Next-generation procurement: Reliable, efficient and predictable

    Forbo Siegling combines supply chain resilience and competitive terms with the engineering expertise procurement teams and OEMs demand.

    • An end-to-end partner: A top-tier supplier with an extensive portfolio.
    • One source, one partner: Less coordination, more focus – from product selection to service.
    • Engineering expertise: Superior engineering skills and consistent product quality.
    • Competitive terms: Attractive prices and robust delivery capability.
    • Product availability as required: Lower risk as a reliable alternative to single-sourcing.

    Next-generation procurement: Reliable, efficient and predictable

    Suitable for any curve

    View YouTube video

    This video is provided by YouTube. Loading it transfers data to YouTube.

    More information

  • Technical information
  • FAQs

    What makes the Prolink series 18 modular belt excel?

    With a pitch of 25.4 mm, series 18 is a lightweight plastic modular belt geared to straight and radius conveying. Its surface with a 44% open area ensures excellent airflow and drainage while the tight-mesh Grid Top even enables conveying of small products.

    What tracking directions can the belt handle?

    The belt is available for clockwise (CW) tracking and counterclockwise (CCW) tracking. To ensure it runs reliably, ensure that the curve orientation is correct based on the hinge pin’s head position.

    What does the series 18 belt do particularly well?

    Series 18 is suitable as a curved and spiral belt for conveying lightweight to medium-weight food and non-food products. Due to its exceptional tensile strength and lateral stiffness, the belt excels in demanding conveying applications and spiral towers with cage drives.

    What accessories does series 18 have?

    Corrugated flights (PMC) are available for better release and better bending stiffness, as well as side guards (SG) as tracking guides to separate products in curve applications. Both components are flexible to position and adapt to diverse collapse factors.

    What is the collapse factor (Cc) and what figures are available?

    The collapse factor outlines how much the belt compresses in curves and establishes the minimum inner radius possible. Series 18 comes with a 1.7 Cc and 2.2 Cc. The COMBO variant (2.2/1.7 Cc) allows a combination of high belt pull and small radii for single-direction curve designs.

    What materials are available for series 18?

    Standard materials include POM-CR, and PP, with PA optionally available where greater temperature resistance is a must. These options mean the belt can adapt to diverse temperatures and applications, ranging from -45°C to +120°C, depending on the material chosen.

    What surface patterns are available?

    Alongside the standard Grid Top pattern, there are also types with hold-down tabs (GRT G) for guidance purposes, a High Deck (HDK) to exploit the whole belt width and beyond, Friction Top (FRT1) for better adhesion, and Cone Top (CTP) for excellent grip.

    How wide can the series 18 belt be?

    The belt width ranges from a width of 149.9 mm minimum to a maximum of 1219 mm and can be increased in increments of 12.7 mm. The hinge pins are a single-piece up to a belt width of 1219 mm, which guarantees exceptional stability across the whole width.

    Does Prolink series 18 belt have food-grade certification?

    Yes, the belt meets the requirements of the FDA 21 CFR regulation, the EU directives (EU) 10/2011 and (EC) 1935/2004 and the Japanese MHLW 370 regulation. Therefore, it’s suitable for conveying packaged and unpackaged foodstuffs.

Patrick Alpers

“Prolink S18 specializes in curve and spiral applications in food and non-food applications. The belt handles straight and curve conveying and combines high mechanical load capacity with a low weight. The open Grid Top pattern facilitates airflow, drainage and cleaning. Thanks to the tight-mesh Grid Top configuration, smaller items are conveyed safely.”

Patrick Alpers, Global R&D Prolink

Why not arrange an appointment now?

The curve specialist

  • Series 18 makes conveyor planning flexible

    More freedom in conveyor planning

    Seamless transitions from straight to curved

    Prolink S18 provides straight and curve conveying in one series of belts. Diverse versions enable adaption to tight curve radii and customized sections. You then have more freedom to design your conveyor and decrease any unnecessary transfer points between conveyor sections.

  • Series 18 Ready for hygienic processes

    Open-type design for hygienic processes

    Airflow and drainage included

    The belt surface has an open area of 44%. Water and fluids can drain off quickly. Air gets to the products conveyed directly. The open structure also makes cleaning easier. Therefore, Prolink S18 is suitable for packaged and unpackaged food and processes requiring exceptional airflow and drainage.

  • Series 18 light by design, but a powerful performer.

    Light by design. But a powerful performer.

    Exceptional stability for reliable conveying

    The belt is low weight but has high tensile capacity and superior lateral rigidity. This combination helps ensure reliable processes on straight and curved sections of the conveyor. The tight-mesh Grid Top pattern also keeps small products securely on the belt.

Advantages of Prolink S18

  • Superb in curves: Developed for straight, curve and spiral conveying.
  • Superior tensile strength: Even handles conveying on demanding sections reliably.
  • Exceptional lateral stiffness: helps ensure stable tracking in curves.
  • An open area of 44%: For good airflow and drainage.
  • Suitable for small products: The tight-mesh Grid Top helps stop product loss.

  • Easy to clean: Suitable for packaged and unpackaged food.
  • Flexible versions: Diverse surfaces and curve shapes for different conveyor layouts.
  • More grip if required: Friction top versions help products on demanding conveyor sections.

Go to the technical page or read the FAQs for more information.

Add more flexibility to your conveyor

Curved, spiral or complex conveyor designs require a belt that mirrors the configuration. Our Prolink experts will analyze your application and develop the right S18 configuration.

Next-generation procurement: Reliable, efficient and predictable

Forbo Siegling combines supply chain resilience and competitive terms with the engineering expertise procurement teams and OEMs demand.

  • An end-to-end partner: A top-tier supplier with an extensive portfolio.
  • One source, one partner: Less coordination, more focus – from product selection to service.
  • Engineering expertise: Superior engineering skills and consistent product quality.
  • Competitive terms: Attractive prices and robust delivery capability.
  • Product availability as required: Lower risk as a reliable alternative to single-sourcing.

Next-generation procurement: Reliable, efficient and predictable

Suitable for any curve

View YouTube video

This video is provided by YouTube. Loading it transfers data to YouTube.

More information

What makes the Prolink series 18 modular belt excel?

With a pitch of 25.4 mm, series 18 is a lightweight plastic modular belt geared to straight and radius conveying. Its surface with a 44% open area ensures excellent airflow and drainage while the tight-mesh Grid Top even enables conveying of small products.

What tracking directions can the belt handle?

The belt is available for clockwise (CW) tracking and counterclockwise (CCW) tracking. To ensure it runs reliably, ensure that the curve orientation is correct based on the hinge pin’s head position.

What does the series 18 belt do particularly well?

Series 18 is suitable as a curved and spiral belt for conveying lightweight to medium-weight food and non-food products. Due to its exceptional tensile strength and lateral stiffness, the belt excels in demanding conveying applications and spiral towers with cage drives.

What accessories does series 18 have?

Corrugated flights (PMC) are available for better release and better bending stiffness, as well as side guards (SG) as tracking guides to separate products in curve applications. Both components are flexible to position and adapt to diverse collapse factors.

What is the collapse factor (Cc) and what figures are available?

The collapse factor outlines how much the belt compresses in curves and establishes the minimum inner radius possible. Series 18 comes with a 1.7 Cc and 2.2 Cc. The COMBO variant (2.2/1.7 Cc) allows a combination of high belt pull and small radii for single-direction curve designs.

What materials are available for series 18?

Standard materials include POM-CR, and PP, with PA optionally available where greater temperature resistance is a must. These options mean the belt can adapt to diverse temperatures and applications, ranging from -45°C to +120°C, depending on the material chosen.

What surface patterns are available?

Alongside the standard Grid Top pattern, there are also types with hold-down tabs (GRT G) for guidance purposes, a High Deck (HDK) to exploit the whole belt width and beyond, Friction Top (FRT1) for better adhesion, and Cone Top (CTP) for excellent grip.

How wide can the series 18 belt be?

The belt width ranges from a width of 149.9 mm minimum to a maximum of 1219 mm and can be increased in increments of 12.7 mm. The hinge pins are a single-piece up to a belt width of 1219 mm, which guarantees exceptional stability across the whole width.

Does Prolink series 18 belt have food-grade certification?

Yes, the belt meets the requirements of the FDA 21 CFR regulation, the EU directives (EU) 10/2011 and (EC) 1935/2004 and the Japanese MHLW 370 regulation. Therefore, it’s suitable for conveying packaged and unpackaged foodstuffs.