• flexible duct and vent fan
  • Industrial Flexible Duct 01
  • Industrial Flexible Duct 03
  • WYE Flexible Duct 01
  • Tee Flexible Duct 01
  • Industrial Flexible Duct 04 1
  • Industrial Flexible Duct 06
  • flexible duct and vent fan
  • Industrial Flexible Duct 01
  • Industrial Flexible Duct 03
  • WYE Flexible Duct 01
  • Tee Flexible Duct 01
  • Industrial Flexible Duct 04 1
  • Industrial Flexible Duct 06

Industrial Flexible Duct

  • • Flexible duct with PVC laminated fabric and steel wire (φ2mm-φ4mm) reinforcing by rubber strip covered.
  • • Diameter: 150 mm-800 mm (Custom diameter available).
  • • Standard Length: 1 m-20 m (Custom length available).
  • • End connection: rope / zipper/ steel ring / belt.
  • • Antistatic and Insulation fabric optional.
  • • Ideal for factory, lab, basement, underground project of coal mines, tunnels, subway, ships.

Standard Technical Specifications

PVC Laminated FabricSL-PFD-SL-PFD-ⅡSL-PFD-TⅡ
Threads & Yarn500D×840D1000D×1000D1300D×2000D
9×99×99×9
Total Weight (gsm)420±20500±20550±20
ColorYellow / Black / Orange
Tensile Strength
(DIN53354)
Warp (N/5cm)80012001720
Weft (N/5cm)100016002100
Tearing Strength
(DIN53363)
Warp (N)220320520
Weft (N)300360580
Working Temperature-30℃ ~ +80℃
Flame RetardantNFPA701:2015, DIN 4102 B2
Inside Diameter150mm – 800mm
Section Length1m – 20m
WireSpring Steel Wire (2mm – 4mm)
End FinishRope / Zipper/ Steel ring / Belt.
* We hereby state that the above data is only for reference, allowing 5% tolerance.

Customize YOUR Flexible Duct

Every parts of the ventilation ducting system matter. Sulong ventilation duct with multiple custom options fulfills your requirements in budget and quality.

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Duct Size

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Fabric Performance

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End Connection

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Spring Steel Wire Pitch

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Make Your High-Flow Ventilation Duct With Our Experts' Help!