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2022 China New Design Tunnel Air Ventilation - JULI® Flexible Oval Ventilation Duct – Foresight Detail:
Product Informations
JULI® oval ventilation duct is made of PVC flexible fabric with polyester fiber as the base fabric and is coated with a PVC membrane on both sides. Polyester fiber can be chosen for different user requirements and environments. The PVC membrane is fire resistant with DIN4102 B1, NFPA701, EN13501, DIN75200, and antistatic properties; all are accompanied by an SGS test result.
JULI® oval ventilation duct is made with two suspension fins outside. The angle can be customized according to the customer’s requirement. There are also two suspension fins connected with carabiner hooks and steel rope inside the duct to keep the oval shape.
suspension system

Single suspension fin

Double suspension fins

Single suspension patch

Double suspension patches
Coupling system

Zipper Coupling

Velcro Coupling

Eyelet Coupling

End ring Coupling
Product Parameters
| JULI® Oval Ventilation Ducting Technical Specification |
| Item |
Unit |
|
| Diameter |
mm |
450-1650 |
| Section length |
m |
5, 10, 20, 30, 50, 100, 200, 300 |
| Color |
- |
Yellow, Orange, Black |
| Suspension |
- |
Double susopenison fins/patches |
| Sealing face sleeve |
mm |
150-250 |
| Grommet spacing |
mm |
750 |
| Coupling |
- |
Zipper/Velcro/Steel ring/Eyelet |
| Fire resistance |
- |
DIN4102 B1/EN13501/NFPA701/DIN75200 |
| Antistatic |
Ω |
≤3 x 108 |
| Packing |
- |
Pallet |
| Diameter(mm) |
Dimension(mm) |
 |
| A |
B |
| 450 |
650 |
350 |
| 600 |
850 |
450 |
| 750 |
1100 |
550 |
| 800 |
1150 |
600 |
| 900 |
1300 |
700 |
| 1000 |
1400 |
750 |
| 1050 |
1500 |
800 |
| 1200 |
1700 |
900 |
| 1350 |
1950 |
1050 |
| 1500 |
2150 |
1150 |
| 1650 |
2300 |
1200 |
| The above values are average for reference, allowing 10% tolerance. Customization is acceptable for all given values. |
Product Feature
◈ Used for low headroom or small mine tunnels with a limited height.
◈ All ducting and fittings are available in both layflat and spiral.
◈ Increased airflow by maximizing duct space.
◈ Welding inside suspension fins reduce air leakage rates.
◈ Polyester woven or knit fabric with a PVC coating on both sides.
◈ The flame resistance meets DIN4102 B1/EN13501/NFPA701/DIN75200 standards.
◈ Diameters ranging from 450 to 1650mm, other dimensions are amenable to customization.


Product Advantages
Product detail pictures:
Related Product Guide:
Our team through qualified training. Skilled professional knowledge, powerful sense of support, to satisfy the support desires of consumers for 2022 China New Design Tunnel Air Ventilation - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: Canada, Nicaragua, Florida, We are your reliable partner in the international markets of our products. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market. We are willing to cooperate with business friends from at home and abroad, to create a great future. Welcome to Visit our factory. Looking forward to have win-win cooperation with you.