- Overview
- Nozzle Ducts
- Slot Diffusers
- Low Impulse
- Half Round
- Hybrid
- Under Floor Air Distribution
- Displacement
Product Overview |
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Euroair develops and markets three main TBV product groups, which can all be supplied in three different geometries. In passive low impulse systems the air diffuses through a permeable material. In high impulse systems air is distributed solely through slots or nozzles. The hybrid models are a combination of the passive low impulse systems and the slot diffusers or nozzles. |
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EA Nozzle Systems |
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The EA Nozzle system is made of a coated or permeable textile material with rows of conical nozzles for 100% active directional delivery. The conical nozzles limit the induction of room air around the individual air jet, whereby the velocity in the jet decreases relatively slowly compared to the slot System. As a result of this, both the throw length and thermal penetration length are extended considerably for the Nozzle |
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Principal features |
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Euroair offers Ø18mm nozzles. The flexibility in the quantity and arrangement of the nozzles offers great benefits as the nozzle system can then be used in virtually every type of premises that requires mixing ventilation, even in extremely large premises, such as high-bay warehouses or large sports arenas. Ducts are often used with different nozzle directionsand flow models in the same duct. This allows you to achieve the flow pattern and air intensity in the various zones exactly how you want. The conical nozzles are fitted in holes made of coated polyester fabric and are secured using a locking ring. The nozzles can be supplied with nozzle plugs to block the airflow temporarily in certain zones. This is used most often in cases where the system's features need to be changed for a period of time, for instance, if the premises' use changes. |
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When to use the Nozzle System |
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Slot Diffuser Systems |
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The key difference between the EA Slot and EA - Nozzle System is cost. If you only need to achive a small amount of heating, the slot diffuser is a very cost effective way of distributing air. |
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Principal features |
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The slot System comprises a strip of highly permeable mesh. The slot system is specially suitable for industrial premises with typical room height of 10 - 20 feet where the need is for different supply air temperatures, ie heating, cooling or just replacement air. In order to achieve a uniform and optimum air distribution throughout the whole room, the entire length of the inject duct is used as one long diffuser ensuring that air delivery will not be limited to particular zones. This system will significantly increase the ability to induce and mix room air better than traditional ventilation systems, and without the associated draft issues.
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When to use the KE-DireJet System® |
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EA Low Impulse Systems |
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The EA - Low Impulse System is an ideal solution for the delivery and distribution of cooled air, particularly suitable for hygien, comfort and temperature control. Euroair's textile based low impulse systems are woven from Trevira CS polyester yarn, and the textile surface acts as a fine mesh, allowing the supply of air to pass through the surface at a very low uniform discharge velocity which is normally less than 0.1 m/s. The EA - Low Impulse System® is produced using round ducts ( Ø ) |
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Principal features |
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The EA - Low Impulse System® will distribute and filter cooled air completely without drafts. The air slowly diffuses through the permeable surface and the excellent air distribution ensures a good working environment free of drafts even in cold rooms. The system is particularly well suited for the food industry, pharmaceutical industry, electronics industry and very relevant to applications that require high cooling and ventilation loads. Air flow is based on the displacement principle, in that cold air displaces warm air and convective currents over heat sources are very important. The system will only work if the fundamental physical laws are obeyed, so the system cannot be used for heating purposes. However, when sized properly it is possible to cool by up to 63 BTU / sqft floor area without drafts, and the system is condensation free even at a humidity rate over 90% RH. Great care is taken when designing a system based on passive thermal displacement to take into account heat producing elements in the subject room |
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When to use the Nozzle System |
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KE Interior Systems |
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Fresh air is a prerequisite for a good indoor climate. Problems of sickness, allergies and irritations due to bad air and high air velocitiesis estimated to cost the Danish society more than DKK 30 billion every year. This can be completely eliminated with a KE - Interior® System |
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The unique design ensures an optimum air distribution regardless of ventilation requirements. Even at minimum ventilation in systems with variable air quantity (VAV), the ducts will keep a nice appearance without sagging. The fresh air is delivered slowly and draft-free through the textile surface and into the room. With the newly developed D-Lite Alu suspension system fitted for all types of ceilings and the wide selection of colors the KE-Interior® System is suitable for all types of buildings - new or old. The system does not generate any noise and the soft fabric ducts even provide a sound-absorbing effect in the room. |
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When to use the KE-DireJet System® |
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KE Hybrid High Impulse Systems |
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Hybrid systems comprise low impulse ducts which are made active by using holes or 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. A major benefit of this new technology is that a system can be manufactured to be passive in some zones and active in other zones of teh same system. |
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KE Fibertec uses laser technology to facilitate production of more advanced product versions, where passive low impulse systems can be made more active by laser cutting a number of small holes or inserting nozzles into the textile material. The more holes or nozzles, the more active becomes and will be referred to as a hybrid textile duct. KE Fibertec markets two products for textile based hybrid ventilation: the KE - Inject Hybrid System and the KE - DireJet Hybrid System. These systems are produced in the form of round ( Ø ), half-round ( D ) or quarter-round ( 1/2D ) ducts. Hybrid systems are absolutely ideal for ensuring that optimum air distribution is achieved in systems with both cooling and heating requirements, as a textile duct with holes or nozzles gives the air energy in the form of movement. In essence, the job of a hybrid system is to shift part of the air volume away from the area under the duct. Compared to a low impulse system, a greater cooling load per running metre can therefore be added without generating a draft under the duct.
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When to use the KE-DireJet System® |
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Underfloor Air Distribution ( UFAD ) |
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The EA Nozzle System® is made of a coated or permeable textile material with rows of conical nozzles for 100% active directional delivery. The conical nozzles limit the induction of room air around the individual air jet, whereby the velocity in the jet decreases relatively slowly compared to the KE - DireJet System. As a result of this, both teh throw length and thermal penetration length are extended considerably for the KE-DireJet System®. |
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KE Fibertec is the only distributor of textile ducts that offers five different nozzle sizes Ø12, Ø18, Ø24, Ø48 and Ø60mm. The flexibility in the choice of nozzle size offers great benefits as the KE-DireJet System® can then be used in virtually every type of premises that requires mixing ventilation, even in extremely large premises, such as high-bay warehouses or large sports arenas. Ducts are often used with different nozzle types and flow models in the same duct. This allows you to achieve the flow pattern and air intensity in the various zones exactly how you want. The conical nozzles are fitted in holes made of coated polyester fabric and are secured using a locking ring. The nozzles can be supplied with nozzle plugs to block the airflow temporarily in certain zones. This is used most often in cases where the system's features need to be changed for a period of time, for instance, if the premises' use changes. |
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When to use the KE-DireJet System® |
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Displacement Systems |
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The KE - DireJet System® is made of a coated or permeable textile material with rows of conical nozzles for 100% active directional delivery. The conical nozzles limit the induction of room air around the individual air jet, whereby the velocity in the jet decreases relatively slowly compared to the KE - DireJet System. As a result of this, both teh throw length and thermal penetration length are extended considerably for the KE-DireJet System®. |
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Principal features |
Available Configurations |
Typical airflow & applications |
KE Fibertec is the only distributor of textile ducts that offers five different nozzle sizes Ø12, Ø18, Ø24, Ø48 and Ø60mm. The flexibility in the choice of nozzle size offers great benefits as the KE-DireJet System® can then be used in virtually every type of premises that requires mixing ventilation, even in extremely large premises, such as high-bay warehouses or large sports arenas. Ducts are often used with different nozzle types and flow models in the same duct. This allows you to achieve the flow pattern and air intensity in the various zones exactly how you want. The conical nozzles are fitted in holes made of coated polyester fabric and are secured using a locking ring. The nozzles can be supplied with nozzle plugs to block the airflow temporarily in certain zones. This is used most often in cases where the system's features need to be changed for a period of time, for instance, if the premises' use changes. |
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When to use the KE-DireJet System® |
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