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VENTS Polyvent N series

VENTS Polyvent N series
Flexible non-insulated air ducts with steel wire frame covered with metalized polyester film
Model features
  • Ventilation ducts and fittings
  • Description
  • Modifications
  • Downloads
  • Colour range
  • Packing
  • Order code
  • Accessories
  • Pressure loss diagram
  • Calculation example
Description
Description
DESCRIPTION RECOMMENDED APPLICATION
  • Flexible air duct from metalized polyester film.
  • Spiral frame from high-carbon steel wire.
  • Applied in residential and industrial ventilation, heating and air conditioning systems with no special requirements to the combustibility and temperature resistance, in heat accumulation units and peripheral sections of large central utility systems with the maximum pressure 3000 Pa.
  • Recommended for ventilation of child care centres, educational and medial facilities, spa resorts.
FEATURES
  • Pollution-free flexible non-insulated air duct. No harmful substances emission during operation.
  • High elasticity and temperature resistance: short-time resistance up to +120 °C.
Modifications
Modification name
+
Downloads
Downloads
Select document type
  • Advertising and printing products
  • Certificates
  • Technical documentation
Name
"Polyvent N" product description 05-2022 (pdf 917.63Kb)
Download high quality image "Polyvent N" (psd 1.37Mb)
Download image "Polyvent N" for your website (png 402.88Kb)
Colour range
Colour range
Aluminium
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Packing
Packing
   
Cardboard box   Unit coloured packing   Net
Order code
Order code
Polyvent N Ø / length
Accessories
Accessories
Diffusers and air disk valves   Grilles and hoods   Backdraft dampers   Fittings   Clamps
                 
Pressure loss diagram
Pressure loss diagram

PRESSURE LOSS DIAGRAM PER 1 M STRETCHED AIR DUCT

Calculation example
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 °C) 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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