Non-insulated air ducts Polyvent 607 series
Description
- Flexible PVC air duct with spiral high-carbon steel wire frame.
Features
- Low pressure loss due to extremely high wall rigidity.
- The service life is equal to that one of the galvanized air ducts.
- High abrasion resistance.
- Heavy-flammable, flame-retarding, self-extinguishing.
Recommended application
- Applied in industrial ventilation systems operating in heavy-duty mode.
- Humid air removal, removal of smoke, post-welding gases, powdered solid particles, waste chips, fibres, vapours, soot and low-abrasive materials.
Pressure loss diagram per 1 m stretched air duct
Calculation example:
- Select a curve that matches the air duct diameter [mm], 200 mm in this case.
- 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.
- The horizontal line that shows the pressure loss in Pa per 1 m straight air duct crosses this intersection point.
- 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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