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Direct Buried Tight Protected Ducts

Tight Protected Ducts (TPD) are characterized by one or several sheets that protect the relatively thin walled microducts. The sheets form a thick protective layer that in combination with the microducts protect the fiber cable or blown fiber inside.

Typical dimensions for TPD are from 5 mm to 14 mm, with inner diameters of 3.5 to 12 mm.

Ducts with inner diameter of 6 mm or larger have longitudinal grooves on the inside to minimize friction, reduce turbulent air flow and increase blowing distance.

To provide a hassle-free installation experience, all ducts are made of low memory materials that minimizes the "curly duct" -effect when rolling out ducts from a drum. During manufacturing, continuous monitoring of dimensions and tolerances are done by e.g. x-ray. 100% of all ducts are tested with an inner clearance test (bullet).

Tight Protected Ducts (TPD) are characterized by one or several sheets that protect the relatively thin walled microducts. The sheets form a thick protective layer that in combination with the microducts protect the fiber cable or blown fiber inside.

Typical dimensions for TPD are from 5 mm to 14 mm, with inner diameters of 3.5 to 12 mm.

Ducts with inner diameter of 6 mm or larger have longitudinal grooves on the inside to minimize friction, reduce turbulent air flow and increase blowing distance.

To provide a hassle-free installation experience, all ducts are made of low memory materials that minimizes the "curly duct" -effect when rolling out ducts from a drum. During manufacturing, continuous monitoring of dimensions and tolerances are done by e.g. x-ray. 100% of all ducts are tested with an inner clearance test (bullet).