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    VENTS Non-insulated air ducts Thermovent series

    VENTS Non-insulated air ducts Thermovent series
    VENTS Non-insulated air ducts Thermovent series
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    Semi-flexible galvanized or stainless steel air ducts.

    Model features
    • Ventilation ducts and fittings
    • Description
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    Description
    Description
    DESCRIPTION FEATURES
    • Semi-flexible stainless or galvanized steel spiral seam air ducts with high aerodynamic and strength characteristics.
    • Made of incombustible, corrosion-resisting stainless steel or galvanized steel band.
    • Increased thermal resistance (up to 700°С).
    • Superdense high-quality triple locks ensure high seam tightness and total air tightness of the ducts.
    • Low dynamic losses.
    • Low weight and easy mounting.
    RECOMMENDED APPLICATION
    • Applied in residential and industrial ventilation, air conditioning and heating systems with the maximum pressure 10 000 Pa.
    • For supply and exhaust ventilation.
    • Applied in the systems of hot air removal from boiler houses and smoke exhaust systems.
    TECHNICAL DATA:  
       
    Item Thermovent N, Zn Thermovent N Thermovent S
    Diameter range [mm] 80/100/110/120/125/130/140/150/160/180/200/250/315
    Material Galvanized steel Stainless steel Stainless steel
    Number of layers 1 1 1
    Total thickness [μm] 80 80 100
    Operating temperature range [°C] -30 +700 -30 +700 -30 +700
    Maximum air speed [m/s] 30 30 30
    Maximum operating pressure [Pa] 10000 10000 10000
    Minimum bend radius [mm] 3хD 3хD 3хD
    Length [m] 1; 2; 3; 6 1; 2; 3; 6 1; 2; 3; 6
       
    PRESSURE LOSS DIAGRAM PER 1 M STRETCHED AIR DUCT CALCULATION EXAMPLE:
     
    1. Select a curve that matches the air duct diameter [mm], 200 mm in this case.
    2. Find the intersection point of this line with the vertical line of the required air flow in m3/h, 500 m3/h in this case.
    3. The horizontal line that shows the pressure loss in Pa per 1 m straight air duct crosses this intersection point.
    4. Multiply pressure loss value (2.4 Pa/m at 20°С) by total air duct length to get the total pressure loss value. To calculate pressure loss in case of bends consider each bend as extra air duct meter.
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    "Thermovent" product description 09-2015 (pdf 127.34Kb)
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