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Our DB microducts are available in combination microduct bundles that contain two different microduct sizes. Different sizes and configurations are available. 

Features 

  • The individual ducts are made of HDPE.
  • The ducts are colour-coded according to customer specifications, FIN 2012, ANSI/TIA, IEC or other.
  • Duct bundles can be equipped with a tracer wire according to customer specifications. 
  • The duct bundles are sheathed with a common HDPE sheath. The nominal sheath thickness is 1,0 ± 0,1 mm.
  • Sheath marking is printed on one-meter intervals. The sheath marking is printed according to customer specifications.

Microduct cables suitable for the Optimus DB 7/3.5 mm duct:

  • FRMU 1,8 mm
  • FRMU 2.1 mm

Microduct cables suitable for the Optimus DB 14/10 mm duct:

  • FYORMU Micro 4 mm
  • FZOMU-SD Micro, 24–96 fibres
  • FZOMU-SD Micro 200 μm (6x24 and 8x24)

There are following accessories for both Optimus DB 7/3.5 mm duct and Optimus DB 14/10 mm duct:

  • Straight connector
  • End stop 
  • Gas Block
  • Cable seal
  • Divisible Seal 
Product  STK* Nestor code
Optimus DB 2 x 14/10mm + 7 x 7/3,5mm TW Orange 5218957 L11701TW

Optimus DB 2 x 14/10mm + 12 x 7/3,5mm TW Blue

 5218927 L11304TW

Optimus DB 2 x 14/10mm + 12 x 7/3,5mm TW Orange

 5218953 L11399TW
Optimus DB 4 x 14/10mm +  12 x 7/3,5mm TW Blue - L11509TW
Optimus DB  4 x 14/10mm + 12 x 7/3,5mm TW Orange - L11560TW

 

*Clicking on these numbers will take you to the product page on the Finnish STK service.

Temperature ranges
Installation -15 … +40 °C
Transport, storage and operation -45 … +60 °C


Nominal dimensions of bare duct without outer sheath

Duct type Outer diameter Wall thickness Weight Tensile strength
7/3,5 mm 7,0 ± 0,2 mm min. 1,65 mm 27,5 kg/km 270 N
14/10 mm 14,0 ± 0,2 mm min. 1,90 mm 72 kg/km 700N


Nominal dimensions of ducts and duct bundles with outer sheath

Count Grouping Duct OD Maximum OD Weight Tensile strength
7+2 7 x 7/3,5mm + 2 x 14/10 mm 7,0 ± 0,2 mm 
14,0 ± 0,2 mm		 37,0 mm  440 kg/km 4300 N
12+2 12 x 7/3,5mm + 2 x 14/10 mm 7,0 ± 0,2 mm
14,0 ± 0,2 mm		 38,7 mm 562 kg/km 5500 N
24+1 24 x 7/3,5mm + 1 x 14/10 mm 7,0 ± 0,2 mm
14,0 ± 0,2 mm		 43,5 mm 870 kg/km 8490 N

Related products

Optimus DB Connector

Straight connector for DB (Direct Buried) microducts.

Read more about the product
Optimus DB End Stop

End stops for microducts.

Read more about the product
Optimus Gas Block

Gas block for microducts.

Read more about the product
Optimus Cable Seal

Cable seal for sealing of the end of a microduct route.

Read more about the product
Optimus Divisible Seal

Divisible seal for sealing of the end of a microduct route.

Read more about the product