The load-bearing material of the skeleton consists of single- or multi-layer synthetic fiber canvas. A special manufacturing process is applied to both sides of the belt body, giving the finished product appropriate lateral rigidity, making it easy to form into a tube and resistant to fatigue. It is used in cement plants, docks, power plants, fertilizer plants, and other applications requiring sealed material conveyance.

Markets: Distribution centers, cement plants, quarries, power plants, and steel mills.

Applications: Main conveyor lines, long-distance conveying, tunnel conveying, inclined conveying, and other applications with demanding requirements.

Nominal pipe diameter: 100–600 mm.