Product Overview
In tunnel construction, underground mines, and various confined space operations, ventilation systems are hailed as "lifelines." Whether it's dust removal in highway tunnel construction or the dilution of harmful gases in subway projects, efficient, durable, and safe ventilation equipment is indispensable. Our PVC-coated ventilation ducts for tunnels are designed specifically for these extremely complex environments. This product uses high-strength polyester fiber fabric as the skeleton material, coated with a special polyvinyl chloride (PVC) resin, and is composited through advanced calendering or coating processes. It not only inherits the lightweight nature of traditional canvas ducts but also, thanks to the PVC coating, possesses excellent sealing, flame retardancy, and corrosion resistance.
Specifications
Technic | Coated or laminated |
Material | PVC coated fabric+ steel wire |
Color | Yellow or black or orange or customized |
Diameter | 10-122 inches |
Use temperature | -40℃ ~ +100℃ |
Coupling Type | Zipper, Velcro, or steel ring |
Helix | Steel wire |
Flame retardant(optional) | NFPA-701, B1, B2 or M2 |
Anti-static (optional) | less than 3×108ohm |
Features
Tear resistance
Wear resistance
Waterproof
Acid and alkali resistance
Flame retardant(optional) : NFPA-701, B1, B2 or M2
Anti-static (optional) : surface resistivity : less than 108ohm
