China Ventilation Ducting Air Duct Tunnel Ventilation Ducting

Product Description

1.Working temperature: -30ºC- +80 ºC

2.Diameter: 150 mm - 3,200 mm

3.Standard Length: 1 m- 200 m

4.Standard color: Yellow / Black / Green

5.Characters:Light weight and high strength / Alarm & Security Systems High anti-flaming / Long term Anti-static electricity / Low air leakage / Low air resistance / Long service life / Easy installation / 6.Environmental protection

7.Connection: Zipper, Steel Ring, Eyelet, Velcro

8.Usage:Underground project of coal mines, tunnels, subway, ships and so on.

The Positive ventilation duct hose 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 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.

Packaging & Shipping

1.Packaging: Woven Bags

2.Shipping Port: Ports in China

Main SpecificationThreads & Yarn500Dx840D1000Dx1000D1000Dx1000D1500Dx1500D2000Dx2000D9x129x1Valve Parts 212x129x129x9Total WeightResistor & Potentiometer 420±20500±20550±20600±20700±20ColorYellow / Black / GreenTensile StrengthWarp (N/5cm)10001200160018002600Weft (N/5cm)10001500190020002600Tearing StrengthWarp (N)220320500650720Weft (N)300380500680720Working Temperature-30ºC ~ 80ºCFlame RetardantNFPA701:2015, DIN 4102 B2Inside Diameter200mm - 2000mmLength5m - 25mOther Tools & Hardware Standard Pitch75mm for exhausting, 100mm for blowingWireHard-Helix Steel / Cold DrawingEnd FinishZipper / Steel RingConductivity≤108Ω (both for Black and Yellow)
Product Show
Refrigerator, Freezer & Parts