Overview
Have you ever been troubled by the stifling air in a mine, the lingering damp and musty odor underground, or the dusty atmosphere of a tunnel? Professional ventilation is the key to solving these problems. This 20-inch (approximately 50 cm) ultra-large diameter flexible ventilation exhaust duct is your answer to any challenging ventilation challenge. It combines exceptional ventilation capacity, exceptional flexibility, and exceptional durability. It easily connects to high-powered fans, quickly channeling polluted air, hot and humid gases, dust, and fumes outdoors, creating a fresh, healthy, and comfortable environment.
The core value of this ventilation duct lies in its flexibility. Compared to conventional small-diameter ducts, its large diameter ensures extremely high airflow, making it particularly suitable for industrial, agricultural, and large commercial spaces requiring rapid and high-volume air exchange. Furthermore, its flexible material allows it to maneuver like a "serpentine," easily navigating around obstacles and navigating complex and narrow spaces, eliminating the installation difficulties of traditional rigid ducting.
Specifications
Technic | Coated or laminated |
Material | PVC coated fabric+ steel wire |
Color | Yellow or black or orange or customized |
Diameter | 10-70 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 |
Product Specifications
Diameter: 20 inches (approximately 50 cm)
Common Lengths: Available in 5, 10, and 15 meter lengths upon request. Custom lengths are also available.
Material Structure:
Inner Layer: Typically PVC-coated fabric with low surface resistance, promoting smooth airflow and reducing wind pressure loss.
Reinforcement: Built-in, sturdy galvanized steel wire rings, spirally wound, provide durable support and resilience.
Outer Layer: Weather-resistant PVC with waterproof, UV, and abrasion-resistant properties, extending service life.
Temperature Range: Typically withstands ambient operating temperatures from -40°C to 100°C.
Connection: Standard ends allow for easy and secure connection to exhaust fan ports or louvers using stainless steel hose clamps, ensuring a leak-proof connection.
