name: NFPA701 Fire Resistant Air Forcing Duct for Underground Project
date: 2025-05-07 17:09:03
view: 267
about:
We, NEWSTAR PLASTIC INDUSTRY CO.,LTD., is a professional supplier of flexible ventilation ducting for mine and tunnels in China. Being engaged in the field of mine ventilation for more than 30 years, we have rich experience in making all kinds of fle...
Overview
The NFPA701 fireproof and flame-retardant underground engineering air duct is a high-performance ventilation duct system developed for closed environments such as tunnels, subways, and underground commercial Spaces. The product is made of PVC coated fabric with a special formula, strictly complying with the NFPA701 fire protection standard of the United States and international ventilation system safety regulations. It features outstanding fire resistance and durability, making it an ideal solution for the safety upgrade of underground engineering ventilation systems.
Specifications
Material | PVC coated fabric |
Color | Yellow or Black |
Flame retardant(optional) | B1, B2, M1, M2, NFPA701 |
Use temperature | -40℃ ~ +100℃ |
Anti-static (optional) | <300 mega |
Fabric thickness | 0.1-1mm |
Diameter | 10-122inches |
Standard Length | 1 m-300 m (Custom length available) |
Coupling Type | Zipper, Velcro |
Features
Heat resistance
Cold resistance
Soft and elastic
Chemical corrosion resistance
Oil resistance
Waterproof
Fire resistant
Anti-static
Anti-aging
Application

