Tri-flex

At Tribelt, we produce our Tri-Flex metal conveyor belts entirely in-house, from design to realization. These high-quality belts consist of hinged links, allowing them to not only follow straight paths, but also move smoothly through curves.

Thanks to our many years of expertise and precision manufacturing, Tri-Flex belts are reliable, durable, and perfectly suited to demanding industrial applications. A Tri-Flex belt is more than just a means of transport: it is a critical link in your production process. At Tribelt, we combine high-quality materials, thoughtful design, and precise manufacturing to ensure you have a belt that performs reliably under extreme conditions. With our expertise in customization, engineering, and drive systems, we ensure that your installation runs smoothly, downtime is minimized, and product quality is guaranteed.

Specifications

  • Pitch crossrods: 19.05 mm — 27.4 mm - 38.1 mm
  • Turn ratio: min. 1.1 — max. 2.5
  • Spiral wire: 4.9/6.0 mm
  • Crossrod wire: none or 1.2/1.4/1.6 mm (mild steel or spring steel)
  • Pitch of mesh: 3.0 — 25.4 mm
  • Materials: 1.4301 in combination with 1.4310 / 1.4404 in combination with 1.4401
  • Bandwidth:
    • Spiral towers: 270 — 1400 mm
    • Straight belt run: 270 — 2000 mm
  • Temperature range:
    • Spiral towers: -50 °C to 100 °C
    • Straight belt run: cryogenic up to approx. 400 °C
  • Possibility of integrated side guards
  • Round recess in links for optimal contact surface
  • Pigtails for perfect positioning and extra safety

Applications
Tri-Flex belts are frequently used in installations where foodstuffs are cooled or heated in a controlled manner. Typical processes are:

  • Cooling
  • Freezing
  • Pasteurizing
  • Smoking
  • Cooking

Thanks to their flexible construction, these belts are ideal for spiral tower installations, such as freezing and cooling towers. They also perform excellently in straight transport lines, for example in shock freezing with liquid nitrogen.

Benefits

  • Curved running possible: flexible design allows turning in tight radius
  • Versatile: suitable for both spiral and straight systems
  • Hygienic design: ideal for food processing
  • Precision manufacturing: consistent finish for reliable running and long service life
  • Maintenance advantage: belts can be reversed for longer service life
  • Customization: fully tailored to your installation, including strength calculation and tension measurement using a data logger

Options

  • Spiral deck with variable pitch and wire thickness
  • Unilateral weaving for small pitches (< 4.25 mm)
  • Various stainless steel material combinations
  • Integrated side guards for specific product guidance
  • Various support systems: radial striping (spiral) or herringbone pattern (straight)
  • Custom welding and finishing options for optimal performance in your installation

Drives
Tri-Flex belts are driven by a combination of drum friction and specially developed drive wheels.

  • Drive wheels: in-house produced, fully customised
    • Recommended number of teeth: 12 — 24
    • Width: usually 45 — 55 mm (customer-specific possible)
    • Materials: POM, PE1000, AISI303, AISI 1045
    • With or without keyway/tap hole
  • Optimal running: large angle of rotation (±180°) for maximum grip
  • Placement: on drive shaft and, if necessary, drive shafts for direction correction
  • Alignment crucial: correct balance between drum speed and gear drive (overdrive) for trouble-free operation
FAQs
What is a Tri-Flex conveyor belt and what is it suitable for?

The Tri-Flex conveyor belt from Tribelt is specially designed for industrial processes with curves and height differences. This stainless steel belt is widely used in freezing and cooling towers, pasteurizers, smoke systems and cooking lines in the food industry.

What temperatures can a Tri-Flex conveyor belt handle?

Depending on the version, the Tri-Flex conveyor belt operates from -50 °C to +400 °C, making it suitable for cryogenic processes such as shock freezing with liquid nitrogen, but also for high-temperature applications such as baking or smoking.

What materials does the Tri-Flex conveyor belt come in?

Tribelt supplies the Tri-Flex conveyor belt in durable stainless steel materials, such as 1.4301, 1.4310, 1.4404 and 1.4401. These materials offer optimal corrosion resistance, hygiene and longevity.

What are the benefits of a Tri-Flex conveyor belt?

The Tri-Flex conveyor belt offers:

  • Design freedom: straight and curved lines in one
  • High load-bearing capacity
  • Hygienic construction without protruding wire ends
  • Temperature resistance up to 400 °C
  • Reversible strap for longer life

In addition, Tribelt offers engineering advice and built-in support on location.

Is a Tri-Flex conveyor belt customized for my production line?

Yes. Each Tri-Flex conveyor belt is custom-made, including bandwidth, wire thickness, spiral pitch, material and drive system. This way, the stainless steel belt fits perfectly to your freezing, cooling or thermal installation.

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