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| Type | Semi Rigid Duct, Oval Spiral Duct, Rectangle Duct | Model | Ф600mm×10m, Ф1200mm×10m, Ф1800mm×10m, Ф2500mm×5m etc. |
| Params | Diameter: Ф200mm to Ф2800mm Section Length: 1m to 20m Usage Environment: Positive Pressure or Negative Pressure Material Weight: 300 gsm - 2,000 gsm Performance: FR or FRAS Manufacturing Process: Welding Certification: ISO 9001, ATEX , CE, CNMA, SGS Test Reports. | Material | PVC Coated Fabric, PVC Laminated Fabric, Spring Steel Wire |
| Applicable Industry | Underground engineering projects such as mine projects, high-speed rail, subway, highway, hydropower station, rock cave, etc | ||
• Nylon fabric with both sides PVC coated, easy-installed, high-strength welded construction provides exceptional airflow performance. • Spiral ventilation duct with spring steel wire (φ5mm-φ10mm) reinforced featured with wear protection and high pressure resistance. • Diameter: 200 mm-2,800 mm (Custom diameter available). • Standard Length: 1 m-20 m (Custom length available). • End connection: zipper / Velcro/ steel ring. • Antistatic fabric optional. • Usage Environment: Positive Pressure or Negative Pressure

Spiral Ventilatiion Duct

Spiral Ventilatiion Duct

Spiral Ventilatiion Duct
