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An Air sock or sox duct is a textile or fabric duct used for draught-free air distribution and delivery of conditioned air as an alternative to traditional spiral or rectangular steel ducts with grilles and diffusers. Fabric ducts are usually cheaper in material cost, and are quicker to install than conventional metal systems. ==Overview== The ducts can be suspended on any type of ceiling as the ducts only weigh approximately 1–2kg. Air socks are mounted on extruded aluminium rails or cables, these are hung from the ceiling and continually support the ducts along their length. The systems are very flexible and can be tailored to all possible dimensions, shapes and lengths for almost all types of rooms and applications. Low velocity systems diffuse air through their surface or micro perforations, higher velocity, mixing systems use laser cut perforations or Textile Nozzles/Jets to throw the air. The ducts come in a range of standard colors and also custom color, so the do not require protective painting. Duct can also be made in half-round (d shape), quarter-round, circle section, oval and rectangle shapes . Ducts also can be designed with All-In-One or internal suspension system that will help maintain the shape of the duct without airflow. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「air sock」の詳細全文を読む スポンサード リンク
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