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Reduction connectors for DB (Direct Buried) microducts. Suitable for direct buried installation or installation in protective pipes or cable shafts.

The reduction connector is partly transparent so proper connection of microducts and installation of micro cable can be seen and verified.

Reducers are always equipped with safety clips. The safety clip prevents accidental disconnection.

Materials: 

  • Body:Transparent HP polymer
  • Cartridge: Techno polymer
  • Collet: Techno polymer
  • Seal: NBR
  • Lock Claw: Stainless steel
  • Support Ring: Techno polymer
  • Rubber Cover: Dark silicon
  • Locking Clip: Tamper-proof techno polymer
Specification Nestor Optimus Reducers (pdf)

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Installation instruction Nestor Optimus DB Reducers (pdf)

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Reducer size* Used for example to connect following microducts together Nestor code STK** Package size
7 / 4 mm 7/3,5 mm or 7/4 mm with 4/2,1 mm LV2526 - 100 pcs
7 / 5 mm 7/3,5 mm or 7/4 mm with 5/2,5 mm or 5/3,5 mm LV2400 5218899 100 pcs
7 / 6 mm 7/3,5 mm or 7/4 mm with 6/3,5 mm LV2527 - 100 pcs

14 / 7 mm

 14/10 mm with 7/3,5 mm LV2912 5218928 100 pcs
14 / 10 mm 14/10 mm or 14/12 mm with 10/6 mm or 10/8 mm LV2529 - 100 pcs
14 / 12 mm 14/10 mm or 14/12 mm with 12/8 mm or 12/10 mm LV2111 5218898 100 pcs
16 / 12 mm 16/10 mm or 16/12 mm with 12/8 mm or 12/10 mm LV2119 - 100 pcs
16 / 14 mm 16/10 mm or 16/12 mm with 14/10 mm or 14/12 mm LV2369 -

100 pcs

 

* According to microducts' outer diameter. 

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

Optimus DB Reducers  
Tightness IP 68

Short term blowing pressure

 25 bar

Burst pressure

 Accordingly to EN 50411-2-8

Installation temperature

 -15°C … +40°C
Lifetime Tested in order to simulate a 20 years lifetime.

 

The microduct inner diameter does not affect to the functioning of the reducers, but please note mentions below carefully.

When coupling two microducts together, it is recommended that the microducts inner diameters are same in both sides of the reducer.

If it is not possible to use microducts with same inner diameters in both sides of the reducer, the cable blowing direction should be from smaller inner diameter to bigger inner diameter.