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Non-insulated air ducts Polyvent 660 series

Non-insulated air ducts Polyvent 660 series

Flexible PVC film non-insulated air ducts with steel wire frame (65 μm).

Color scheme

White

Products in this series (2)

  • Polyvent 660

    Polyvent 660

    Polyvent 6601

    Polyvent 6601

Description
  • Flexible PVC air duct with spiral high-carbon steel wire frame.
Features
  • High compression ratio.
  • Heavy-flammable, flame-retarding, self-extinguishing.
Recommended application
  • Applied in residential and commercial ventilation systems.
  • The ideal solution for ventilation of living quarters and office premises.
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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