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The system supplies a total of 2100 m³/h of air to the space. During operation, it reaches a maximum pressure loss of 114 Pa and maintains the sound power level at 56 dB(A).
DFC-HT material with an air permeability of 85 m³/m²/h was used for the installation. This material is made from high-tenacity polyester fibres woven in a plain weave. Production takes place in our own weaving mill in Vejen, Denmark, allowing for direct quality control and consistent parameters.
The material is OEKO-TEX® certified and complies with fire classification EN 13501: B-s1, d0. Thanks to its versatility, it is also suitable for use in environments with high air cleanliness requirements, including ISO Class 4 cleanrooms. However, such specification was not required in this particular case.
The textile duct is equipped with DFC perforation in the Comfort variant, which was designed to ensure uniform and stable airflow throughout the entire warehouse space. The perforation is arranged in five rows symmetrically distributed along the length of the duct.
Through these perforation rows, 32% of the total air volume is distributed, while the remaining 68% is supplied evenly through the permeable surface of the material. This distribution enables a combination of directional air delivery and diffuse surface flow, without the risk of dead zones or unwanted airflow directed at stored materials. The average air velocity in the occupied zone reaches 0.2 m/s.
System components
During the design and implementation of the first phase of the project, individual components were selected with a focus on operational reliability, easy installation, and stable system performance. The following elements were used:
The connection of the textile duct to the air supply was carried out using the MetuFrame AluTex mounting frame. This component consists of individual aluminium profiles assembled around the supply duct to enable a direct and stable connection with the textile system
The duct is made of DFC-HT material. For aesthetic reasons, the light grey RAL 9002 colour variant was selected, which is part of the standard DFC-HT material range. This neutral shade allows for a visually integration into the interior.
To ensure controlled air distribution, DFC Comfort perforation was used. This variant operates on the principle of alternating baffles and openings that allow air to exit perpendicularly into the space.
The DFC Comfort configuration also eliminates air entrainment in the direction of flow and significantly reduces the risk of draft. The result is a stable microclimate without significant temperature or velocity variations.
Due to the need to install the duct at a lower height than the ceiling level while ensuring maximum system stability, Flexrail aluminium suspension profiles were selected.
This type of suspension allows for secure and firm mounting of the outlet using threaded rods or wire hangers and is particularly suitable for circular duct shapes.
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