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Microduct systems

Flexible HDPE pathways for blown-fiber networks. Install the ducts once, then add fiber as demand grows — by open cut, micro-trenching, mini-trenching or HDD.

7 – 22 mm
Outer diameter range
2 – 24+1
Ways per bundle
12
Identification colours
IEC 60794
Mechanical test regime

Product lines

Microduct bundles

Microduct bundles

Several single microducts under one polyethylene sheath — multiple pathways in a single installation.

  • 2 to 24+1 ways
  • Direct-install (DI) and direct-buried (DB) versions
  • Optional trace wire and ripcord
  • Suited to open cut, micro/mini-trenching and HDD

Full microduct & duct range

Every pathway product we supply, from single microducts to large-bore ducts and fittings.

Microduct solutions

Single microducts

Single microducts

Smooth or ribbed, 12 colours

Microduct bundles

Microduct bundles

2 to 24+1 ways, DI / DB

Direct-buried bundles

Direct-buried bundles

Heavy-wall sheath for burial

Microduct-in-duct

Microduct-in-duct

Pre-installed in HDPE duct

Indoor LSZH microducts

Indoor LSZH microducts

Halogen-free, for buildings

Hybrid LSZH assemblies

Hybrid LSZH assemblies

Outdoor-to-indoor transition

Telecom ducts

HDPE ducts

HDPE ducts

Single-bore with colour stripes

Large-bore HDPE ducts

Large-bore HDPE ducts

Striped for route identification

Economy HDPE ducts

Economy HDPE ducts

Cost-optimised wall design

Lined HDPE ducts

Lined HDPE ducts

Low-friction inner layer

Cable multiplexer pipes

Cable multiplexer pipes

Multi-bore and subduct

PVC rocketing pipes

PVC rocketing pipes

For trenchless rocketing

Accessories

Push-fit connectors

Push-fit connectors

Straight and reducing, gas-tight

End caps

End caps

Seal open duct ends

Standard microduct sizes

Outer / inner diameter in millimetres. Other sizes on request.

Part numberSizeOD (mm)ID (mm)Wall (mm)
KA-12-01-00017/3.57.03.51.75
KA-12-01-00027/47.04.01.50
KA-12-01-000310/610.06.02.00
KA-12-01-000412/812.08.02.00
KA-12-01-000514/1014.010.02.00
KA-12-01-000616/1216.012.02.00
KA-12-01-000718/1418.014.02.00
KA-12-01-000820/1620.016.02.00
KA-12-01-000922/1822.018.02.00

Tested to IEC 60794-1-2

Tensile (E1) · Crush (E3) · Impact (E4) · Kink (E10) · Bend radius (E11) · Pressure withstand (F13) · Inner clearance per IEC 60794-1-21

Operating conditions

Service −20 °C to +60 °C · Installation −10 °C to +50 °C · Supplied on metal reels, standard length 2,000 m

Colour identification

Installation methods

Open cut

Direct-buried bundles laid in conventional trenches.

Micro-trenching

Narrow cuts in road surfaces for fast urban roll-out.

Mini-trenching

Shallow trenches for sidewalks and verges.

HDD

Directional drilling under roads, rail and rivers.

Into existing ducts

Pushed into HDPE ducts and cable shafts to multiply capacity.

Request microduct pricing

Tell us size, bundle configuration, colour sequence and total metres. Custom marking, trace wire and ripcord available.

Kakluk© 2026 Kakluk Group
Başakşehir Mahallası Gazi Mustafa Kemal BLV 13H - Istanbul, Turkey · +90 541 523 08 53 · info@kakluk.com LinkedInYouTubeInstagram