As an emerging air supply and distribution system, bagged air ducts can systematically and completely solve the air supply problems of ventilation equipment. The seemingly simple bag air duct has a flexible and changeable design and a rich and comprehensive wind mode. Each air outlet mode has its unique characteristics and application advantages. Do you know what the air supply modes of the bag duct are? 1. Pure osmosis mode. It refers to the air supply mode in which all the air volume penetrates out from the surface of the fiber fabric and is sent to the air-permeable area. The wind speed of this mode is about 0.05~0.25m/s; it is characterized by low wind speed, average air flow, and small temperature gradient. It is mostly used in cold storage, fruit cold storage workshop, electronic workshop and other places. 2. High humidity mode. It refers to the air supply mode in which the air volume is sent from the long grid to the ventilation area. The wind speed of this mode is about 0.9~2.5m/s; it is characterized by low wind speed, specific wind direction, and average airflow. It is mostly used in places such as swimming pools with anti-condensation design. 3. Average air supply mode. It is the air supply mode in which the air volume is delivered from multiple rows of orifices to the ventilation area. The wind speed of this mode is about 7~13m/s; the characteristic is that the orifice diameter is small and the same (the diameter is below φ30mm), the number is large, and the airflow is average. It is mostly used in places with large air volume, small space and high ventilation frequency, such as greenhouses. 4. Peaceful air supply mode. It is the air outlet mode in which the air volume is conveyed from rows of orifices to the ventilation area. The wind speed of this mode is about 7~13m/s; the feature is that the orifices are neatly designed in rows, the diameter of the orifices in a single row is the same, the air supply cover is wide, and the airflow is even. Mostly used in shopping malls, supermarkets, workshop production, food workshops, logistics warehousing, etc.
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