flexible tunnel duct for superpower fan 

-Material: high-strength biaxial polyester filament yarns and uing double skin coated crafet to stick the pvc fabric.

-Available size:4"~60", standard length: 5m/10m, customized length is upon request.

-Avilable color: yellow.

-Features: 1. high tensile, shockproof, water proof, uninflammable, anti-static, hot and cold resistant, acid and alkali-resistant and structure-stability.

               2. temperature range : -20~+80celsius.

Structure: spiral steel wire wrapped by black strip onto the high-strength fabric. galvanize iron clip with D-Ring punching on the rubber strip everyone meter.

End style: bugle with rope, steel circle collar, straight sleeve with zipper/velcro.

bugle with rope

steel circle collar 

straight sleeve with zipper

straight sleeve with velcro

-Package: neutral carton packing, color carton packing, circle packing.

-Delivery day: 25-30 days after cfm the order. 

-Payment Term: 100% T/T before shipment.

neutral carton

color carton

circle packing

  -OEM service is available, R&D department would serve on customer's special ideas.

Application

assort with the superpower strong ventiation fan, the duct is widely used for tunneling and high gas mine,and adding the wind pressure and air quantity and improving the ventilation equipment.