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Prolink S4.1 – conveys reliably, transfers precisely

Small products, sticky surfaces or tight transfer points place exceptional demands on conveying technology. Prolink S4.1 marries a small pitch of 14 mm with small return radii, multiple surfaces and an easy-to-clean design. As a result, you can convey products reliably and accurately across food processing and industrial environments.

Siegling Prolink S4.1

Lettuce on a modular belt
  • Overview
    Patrick Alpers

    “Series 4.1’s small module shape enables compact transfer points. A small end diameter of 22 mm encourages smooth belt tracking and reduces the polygon effect. Therefore, precision transfer of small products from one section of the conveyor to the next is easier.
    This characteristic is crucial, particularly in bakery and confectionery production, with small unit goods and in fruit and vegetable processing.”

    Patrick Alpers, Global R&D Manager Prolink

    Why not arrange an appointment now?

    Accurate and reliable processes

    • Transfer 4.1

      Precise product transfers. Consistent product flow.

      Precise product transfers. Consistent product flow.

      A small pitch and tight end diameter of 22 mm enable compact transfer points. Smooth belt tracking and a low polygon effect help very small and delicate products transfer between two sections of a conveyor.

    • Modular 4.1

      Surfaces for any challenge

      Surfaces for any challenge

      Smooth, or with open areas, NPY, Friction Top or Nub Top options: Diverse surfaces facilitate release, grip, drainage or ventilation of products. As a result, the series can custom-adapt to products and processes.

    • Hygiene 4.1

      Engineered for effortless cleaning

      Engineered for effortless cleaning

      Hinges that open wide and flat drip channels on the belt underside facilitate cleaning. Patented tooth guidance eliminates the need for extra flights or pockets to keep the belt on track. This enhances accessibility and boosts hygiene.The ProSnap version also allows quick and tool-free opening and closing of the belt. This makes access during cleaning and maintenance easier.

    Advantages of Prolink S4.1

    • Precise transfers: Small return radii help convey small products reliably.
    • Multiple surfaces: Smooth, with open areas, NPY, Friction Top and Nub Top versions adapt the belt to diverse product requirements.
    • Good release properties: The NPY surface ensures sticky products release cleanly.
    • Superior grip: Friction Top and NTP types improve grip in demanding conveying applications.

    • Drainage and ventilation: Belt types with open areas facilitate airflow and drainage.
    • Easy-to-clean design: Hinges that open wide and flat drip channels make cleaning more hygienic.
    • Reliable power transmission: Wide teeth and a deep tooth engagement encourage stable belt tracking.
    • Flexible usage options: Suitable for food processing and numerous industrial applications.
    • Quick release: Prosnap allows easy, fast and tool-free opening and closing of the belt.

    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 for the food industry.
    • 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

    Preventing product loss

    From sticky baked goods and moist foods to small components: Prolink S4.1 unites precise transfers with versatile surface options and an easy-to-clean design. As a result, the modular belt can custom-adapt to products and processes.

    Precise. Versatile,

    View YouTube video

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

    More information

  • Technical information
  • FAQs

    What applications is the Prolink plastic modular belt series 4.1 suitable for?

    The Prolink series 4.1 is geared to small and delicate products in food processing and industrial applications. It’s typically used in baked goods and confectionery, fruit and vegetable processing, packaging processes and applications with tight product transfers. Types with open areas also facilitate cooling and drying processes.

    Why is the Prolink series 4.1 ideal for tight product transfers?

    Series 4.1 has a 14 mm pitch and is designed for small return radii. A small pitch and tight end diameter of 22 mm enable compact transfer points between two conveyor sections. Smooth belt tracking and a low polygon effect also encourage precise product transfers.

    Which modular belt is suitable for sticky products?

    Series 4.1 offers the S4.1-0 NPY with an inverted pyramid pattern for sticky products. This surface improves release and is also a good choice for sticky food, unbaked dough and baked goods.

    What is series 4.1’s Friction Top version recommended for?

    The S4.1-0 FRT1 is ideal for applications where extra adhesion and reliable grip are a must. Examples include upward and downward conveying of cardboard boxes, packaging, trays, and bags, as well as greasy and oily food. The special Friction Top shape fuses good grip with a comparatively small contact area.

    What version is suitable for moist products and drainage?

    The S4.1-21 NTP has an open Nub Top surface. It’s built for moist and sticky products while facilitating drainage and ventilation at the same time. Typical applications involve lettuce, leafy greens, frozen products and other food where good grip and release are equally important.

    Is the Prolink series 4.1 suitable for cooling and drying food?

    Yes. The series has belt versions with open areas for applications involving airflow. For instance, the S4.1-21 FLT has an open area of 21% and is geared to drying and cooling processes. The NTP version also boosts ventilation and drainage.

    How does the series 4.1 benefit hygienic and cleaning-intensive processes?

    Hinges that open wide and flat drip channels on the belt improve accessibility during cleaning. Extra flights or pockets to help belt guidance aren’t necessary. The rounded sprocket shape also helps make cleaning easier.

    Can the Prolink series 4.1 also be used for incline conveying?

    Yes. The series offers diverse solutions for incline conveying applications. Friction Top types improve grip in upward and downward conveying. The NTP version is also ideal for incline conveying and is combinable with open or closed Flat Top modules.

Patrick Alpers

“Series 4.1’s small module shape enables compact transfer points. A small end diameter of 22 mm encourages smooth belt tracking and reduces the polygon effect. Therefore, precision transfer of small products from one section of the conveyor to the next is easier.
This characteristic is crucial, particularly in bakery and confectionery production, with small unit goods and in fruit and vegetable processing.”

Patrick Alpers, Global R&D Manager Prolink

Why not arrange an appointment now?

Accurate and reliable processes

  • Transfer 4.1

    Precise product transfers. Consistent product flow.

    Precise product transfers. Consistent product flow.

    A small pitch and tight end diameter of 22 mm enable compact transfer points. Smooth belt tracking and a low polygon effect help very small and delicate products transfer between two sections of a conveyor.

  • Modular 4.1

    Surfaces for any challenge

    Surfaces for any challenge

    Smooth, or with open areas, NPY, Friction Top or Nub Top options: Diverse surfaces facilitate release, grip, drainage or ventilation of products. As a result, the series can custom-adapt to products and processes.

  • Hygiene 4.1

    Engineered for effortless cleaning

    Engineered for effortless cleaning

    Hinges that open wide and flat drip channels on the belt underside facilitate cleaning. Patented tooth guidance eliminates the need for extra flights or pockets to keep the belt on track. This enhances accessibility and boosts hygiene.The ProSnap version also allows quick and tool-free opening and closing of the belt. This makes access during cleaning and maintenance easier.

Advantages of Prolink S4.1

  • Precise transfers: Small return radii help convey small products reliably.
  • Multiple surfaces: Smooth, with open areas, NPY, Friction Top and Nub Top versions adapt the belt to diverse product requirements.
  • Good release properties: The NPY surface ensures sticky products release cleanly.
  • Superior grip: Friction Top and NTP types improve grip in demanding conveying applications.

  • Drainage and ventilation: Belt types with open areas facilitate airflow and drainage.
  • Easy-to-clean design: Hinges that open wide and flat drip channels make cleaning more hygienic.
  • Reliable power transmission: Wide teeth and a deep tooth engagement encourage stable belt tracking.
  • Flexible usage options: Suitable for food processing and numerous industrial applications.
  • Quick release: Prosnap allows easy, fast and tool-free opening and closing of the belt.

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 for the food industry.
  • 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

Preventing product loss

From sticky baked goods and moist foods to small components: Prolink S4.1 unites precise transfers with versatile surface options and an easy-to-clean design. As a result, the modular belt can custom-adapt to products and processes.

Precise. Versatile,

View YouTube video

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

More information

What applications is the Prolink plastic modular belt series 4.1 suitable for?

The Prolink series 4.1 is geared to small and delicate products in food processing and industrial applications. It’s typically used in baked goods and confectionery, fruit and vegetable processing, packaging processes and applications with tight product transfers. Types with open areas also facilitate cooling and drying processes.

Why is the Prolink series 4.1 ideal for tight product transfers?

Series 4.1 has a 14 mm pitch and is designed for small return radii. A small pitch and tight end diameter of 22 mm enable compact transfer points between two conveyor sections. Smooth belt tracking and a low polygon effect also encourage precise product transfers.

Which modular belt is suitable for sticky products?

Series 4.1 offers the S4.1-0 NPY with an inverted pyramid pattern for sticky products. This surface improves release and is also a good choice for sticky food, unbaked dough and baked goods.

What is series 4.1’s Friction Top version recommended for?

The S4.1-0 FRT1 is ideal for applications where extra adhesion and reliable grip are a must. Examples include upward and downward conveying of cardboard boxes, packaging, trays, and bags, as well as greasy and oily food. The special Friction Top shape fuses good grip with a comparatively small contact area.

What version is suitable for moist products and drainage?

The S4.1-21 NTP has an open Nub Top surface. It’s built for moist and sticky products while facilitating drainage and ventilation at the same time. Typical applications involve lettuce, leafy greens, frozen products and other food where good grip and release are equally important.

Is the Prolink series 4.1 suitable for cooling and drying food?

Yes. The series has belt versions with open areas for applications involving airflow. For instance, the S4.1-21 FLT has an open area of 21% and is geared to drying and cooling processes. The NTP version also boosts ventilation and drainage.

How does the series 4.1 benefit hygienic and cleaning-intensive processes?

Hinges that open wide and flat drip channels on the belt improve accessibility during cleaning. Extra flights or pockets to help belt guidance aren’t necessary. The rounded sprocket shape also helps make cleaning easier.

Can the Prolink series 4.1 also be used for incline conveying?

Yes. The series offers diverse solutions for incline conveying applications. Friction Top types improve grip in upward and downward conveying. The NTP version is also ideal for incline conveying and is combinable with open or closed Flat Top modules.