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Round duct

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  • Modifications
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Description
Description
  • Made of high-density polyethylene (HDPE).
  • The bend radius is 130, 150 and 180 mm for the DN63, DN75 and DN90 duct respectively.
  • Circular density 8 kN/m² as per EN ISO 9969.
  • Operating temperature: from -20 to +60 °C.
  • Smooth inner surface for low air resistance and easy cleaning.
Nominal air duct diameter DN 63 DN 75 DN 90
Air speed through the cross-section [m/s] 2 2.5 3 2 2.5 3 2 2.5 3
1 duct – air flow [m³/h] 15 18 22 22 28 34 36 42 50
2 ducts – air flow [m³/h] 29 37 44 45 56 67 70 84 101
3 ducts – air flow [m³/h] 44 55 66
  Duct resistance [Pa]
Duct length [m] 2 4.2 5.5 7.5 2.3 3.5 5.0 3.2 4.4 6.2
4 8.4 11.0 14.9 4.6 7.0 10.0 6.4 8.7 12.3
6 12.7 16.5 22.4 6.9 10.6 15.0 9.6 13.1 18.5
8 16.9 22.0 29.8 9.3 14.1 20.0 12.8 17.4 24.7
10 21.1 27.5 37.3 11.6 17.6 24.9 16.0 21.8 30.9
12 25.3 33.0 44.8 13.9 21.1 29.9 19.2 26.1 37.0
14 29.5 38.5 52.2 16.2 24.7 34.9 22.4 30.5 43.2
16 33.8 44.0 59.7 18.5 28.2 39.9 25.6 34.8 49.4
18 38.0 49.5 67.1 20.8 31.7 44.9 28.8 39.2 55.6
Modifications
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Download image "FlexiVent 01635000, FlexiVent 01755000, FlexiVent 01905000" for your website (png 305.3Kb)
Download high quality image "FlexiVent 01635000, FlexiVent 01755000, FlexiVent 01905000" (psd 1.51Mb)
"FlexiVent modular system" catalog 2023 (pdf 12.79Mb)
"Modular air distribution system FlexiVent" installation instruction (V156EN-02) (pdf 29.02Mb)
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