Why textile ducts?

Textile ducts are very well-suited for efficient, uniform, and draught-free distribution of fresh air without "dead zones".

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KE-DireJet® Nozzle Hybrid textile ductwork

From a ventilation technology perspective, the  KE-DireJet Hybrid System can be regarded as a combination of active high impulse ventilation and passive low impulse ventilation.

The Hybrid textile ductwork combines the best properties of a low impulse and an direjet nozzle system.

Simply put, KE-DireJet Hybrid textile ductwork comprises low impulse ducts which are made active by using conical nozzles.

As a result, the low impulse principle is combined with the high impulse principle, whereby part of the air volume in the system is distributed away from the near zone under the duct.

Manufacturing hybrid high impulse textile ductwork opens up a new world of flexibility, but it is also of paramount importance that you are aware of the requirement specifications for the ventilation system.

Just a few rows of nozzles can change the flow from a passive low impulse system to an active mixing system. But the major benefits of this new technology are that you can, in theory, actually dimension one and the same system to be passive in some zones and more or less active in others.

Adding nozzles to permeable textile ductwork will allow us to provide heating as well as ventilation and cooling while retaining the acoustic benefits of a textile system.

Typical Application, Sports Hall, Fitness Suite, Theatre

Order our catalogue below to read more about the KE-DireJet Hybrid system.

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DireJet hybrid smoke simulation

From a ventilation technology perspective, the KE-DireJet System can be regarded as an active high impulse system for mixing ventilation.


  • Single Row Suspension

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  • Double Row Suspension "Safetrack"

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  • Triple Row Suspension "Safetrack"

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  • Single Row Suspension "Safetrack int-arch"

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  • Double Row Suspension "Safetrack ext-arch"

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  • Single Row Suspension "Safetrack 360°"

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  • Single Row Suspension Wire

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  • Double Row Suspension Wire

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  • D-Lite Alu

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  • D-Alu

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Safetrack Arches

Safetrack Dual Arch

Dual Arch mounting brackets feature the stability of double rails but at the same time are quick and easy to install.

Large textile ducts will be firmly suspended both with and without the air turned on and installation time is reduced considerably as the ducts are mounted in a single ceiling rail.

The frame system can be constructeed on the floor then lifted up to high level.

Safetrack Duct Arch

Duct Arch is a pre-bent aluminium rail mounted in hidden sewn-in pockets in the TBV ducts. The hidden Arches reduce sagging when the air is off to prevent snagging on other services. It also and prevent popping if no soft-start is used. 

The unique Safetrack is designed in a way so that the Arch brackets are easily clicked onto the ceiling rail without any tools.

Safe 360° Arch

The Safe 360° system consists of removable steel rings fitted every 1000 mm or 500 mm. The stainless steel rings are secured with velcro inside the ducts at 12, 3, 6 and 9 o'clock so they can easily be removed for washing. 

The ducts will keep looking inflated, this is our best solution if a soft start cannot be fitted.

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Curved textile ducts

We are able to offer curved textile ducts designed for a specific radius and with Safetrack rails that follow the shape of the duct. This product can be combined with both ordinary passive low impulse systems and with our hybrid solution in which the low impulse system is made with lasercut inject holes.

A good example is the system that KE Fibertec supplied to Algida Unilever's main office in Istanbul.

Mount Easy

For systems with difficult access, for instance in swimming pool areas where the TBV systems are suspended above the pool KE Fibertec offers a solutions with cord pull called Mount Easy. The Mount Easy system enables a single person to install textile ducts of up to 40 metres from one end.

This system is also useful when rails need to be installed when the area is dity, the ducts can be installed at a later date when the area is clean.

Coloured suspension rails

Specific types of suspension systems are now also available in any given colour. All visible parts are powder coated in a high impact-resistant quality finish.

KE Fibertec recommends the D-Lite Alu® rail for D-shaped systems with dimensions up to D800 mm. 

The rail is produced very simply and facilitiates fitting on level false ceilings. This rail is used to provide a competitive edge as an alternative to D-shaped systems in premises where the finish and appearance have high priority. This type of rail is also suitable where access is difficult.

KE Fibertec recommends the D-Alu rail in premises where the finish and appearance have high priority, as well as for D-shaped ducts with bends and sharp elbows. The specially developed closing system is ideal for use in both horizontal and vertical systems. The D-Alu rail is suitable where access is difficult.

The wire suspension system is the most simple of the various suspension systems offered by KE Fibertec. Nowadays the wire solution is used almost exclusively for round ducts in particularly humid environments. Single wire suspension is used most often with duct dimensions under Ø630 mm. Double wire suspension is used most often with duct dimensions over Ø630 mm.

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