“Sincerity, Innovation, Rigorousness, and Efficiency” may be the persistent conception of our organization to the long-term to build together with shoppers for mutual reciprocity and mutual advantage for Factory Free sample China Acoustic Flexible Duct, We’re looking ahead to creating long-term enterprise associations along with you. Your reviews and recommendations are remarkably appreciated.
“Sincerity, Innovation, Rigorousness, and Efficiency” may be the persistent conception of our organization to the long-term to build together with shoppers for mutual reciprocity and mutual advantage for China Bare Flexible Duct, Flexible Duct, Besides there are also experienced production and management , advanced production equipment to assure our quality and delivery time , our company pursues the principle of good faith, high-quality and high-efficiency. We guarantee that our company will try our best to reduce customer purchase cost, shorten the period of purchase, stable solutions quality, increase customers’ satisfaction and achieve win-win situation .
JULI® spiral ventilation duct is made of manganese steel with good elasticity as the reinforced steel wire and can be used under positive pressure for air blowing as an elbow in the underground. It is made by a special welding machine in Foresight with a good appearance and excellent folding performance. During ventilation, the stress is smooth and uniform, and it can bear greater pressure without the danger of blowing. The JULI® spiral ventilation duct can also be used for negative pressure and exhausting air from a tunnel inside. The reinforced steel wire is made of cold-drawn steel, which can support high air extraction pressure to meet the needs of customers.
The fire resistance of the JULI® tunnel ventilation duct is DIN4102 B1, NFPA701, EN13501, DIN75200, and all fire resistance is accompanied by an SGS test result. When a fire is present, a high flame retardant can help to limit the hazardous and harmful gases that can injure the human body.
JULI® Spiral Ventilation Ducting Technical Specification | ||
Item | Unit | Value |
Diameter | mm | 300-2500 |
Section length | m | 5, 10 |
Color | - | Yellow, Orange, Black |
Suspension | - | Diameter<1800mm, single suspension ring |
Diameter≥1800mm, double suspension ring | ||
Suspenion ring spacing | mm | 200-600 |
Steel ring diameter | mm | 5-10 |
Standard pitch | mm | 100-300 |
Sealing face sleeve | mm | 150-250 |
Coupling | - | Zipper/Velcro/Steel ring/Eyelet |
Fire resistance | - | DIN4102 B1/EN13501/NFPA701/DIN75200 |
Antistatic | Ω | ≤3 x 108 |
Packing | - | Pallet |
The above values are averages for reference, allowing 10% tolerance. Customization is acceptable for all given values. |
◈ Designed for both high negative and positive pressure and elbow use.
◈ Spiral reinforced by spring steel wire/individual steel ring (end ring), seams and PVC profile welded airtight, smooth inner surface, low friction loss.
◈ All ducting and fittings are available in an oval shape.
◈ Customization is possible, with a diameter range of 400 mm to 2100 mm.
◈ Flame resistance conforms to EN13501/DIN4102 B1/NFPA701/DIN75200.
◈ Standard length, 5 m, 10 m, 15m or 20m.
◈ The antistatic feature (3×108Ω) is optional. The newly developed water-based material that is used for antistatic surface treatment is an environmentally protective material without VOC emission in processing and use, and is also healthy for workers. It makes the antistatic value stabilize at 3×106Ω.
“Sincerity, Innovation, Rigorousness, and Efficiency” may be the persistent conception of our organization to the long-term to build together with shoppers for mutual reciprocity and mutual advantage for Factory Free sample China Acoustic Flexible Duct, We’re looking ahead to creating long-term enterprise associations along with you. Your reviews and recommendations are remarkably appreciated.
Factory Free sample China Bare Flexible Duct, Flexible Duct, Besides there are also experienced production and management , advanced production equipment to assure our quality and delivery time , our company pursues the principle of good faith, high-quality and high-efficiency. We guarantee that our company will try our best to reduce customer purchase cost, shorten the period of purchase, stable solutions quality, increase customers’ satisfaction and achieve win-win situation .