Flexible Ventilation Ducting

Flexible Ventilation Ducting

Flexible Ventilation Ducting

S ulong Flexible Ventilation Ducting is used for positive pressure application of tunnel and underground mining projects. The diameter can be customized from 150 mm to 3,200 mm and length of every piece duct can be 1 m to 300 m. Coupling system can be Zipper, Steel Ring, Eyelet and Velcro. MSHA approved!


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Specifications

PVC Fabric SL-PFD-Ⅲ SL-PFD-Ⅱ SL-PFD-TⅢ SL-PFD-TⅡ SL-PFD-TⅠ
Threads & Yarn 500D×840D 1000D×1000D 1000D×1000D 1500D×1500D 2000D×2000D
9×12 9×12 12×12 9×12 9×9
Total Weight 420±20 500±20 550±20 600±20 700±20
Color Yellow / Black / Green
Tensile Strength (DIN53354) Warp (N/5cm) 1000 1200 1600 1800 2600
Weft (N/5cm) 1000 1500 1900 2000 2600
Tearing Strength (DIN53363) Warp (N) 220 320 500 650 720
Weft (N) 300 380 500 680 720
Working Temperature -30℃ ~ +80℃
Flame Retardant NFPA701:2015, DIN 4102 B2
Inside Diameter 150 mm - 3,200 mm
Length 1 m - 200 m
End Finish Zipper / Steel Ring / Eyelet/ Velcro
Conductivity ≤108 Ω (both for Black and Yellow)
* We hereby state that the above data is only for reference, allowing 5% tolerance.
  • Working temperature: -30 ~ 80 .
  • Diameter: 150 mm ~ 3,200 mm 
  • Standard Length: 1 m~200 m
  • Standard color: Yellow, Black, Green
  • Connection: Zipper, Steel Ring, Eyelet, Velcro
 

S ulong flexible ventilation ducting It is used for positive pressure application of tunnel and underground mining projects. The diameter can be customized from 150 mm to 3,200 mm and length of every piece duct can be 1 m to 200 m. Coupling system can be Zipper, Steel Ring, Eyelet and Velcro.

Five different standard types of PVC coated fabric to meet different model of ventilation fans, and the fabrics can be flame retardant and anti-static. Also other fabric specification can be customized according to clients' requirement.

All-welded construction eliminates air loss.

Quality standard abides by GB/T 9900-2008, NFPA 701, MA and SGS.

Usage Underground project of mines, tunnels, subway and so on.
  • Light weight and high strength
  • High anti-flaming
  • Long term Anti-static electricity
  • Low air leakage
  • Low air resistance
  • Long service life
  • Easy installation
  • Easy repair
  • Safe and Environmental protection
  • Great value

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