We are experienced manufacturer. Wining the majority of the crucial certifications of its market for Antistatic Ventilation Hose, Sunscreen Roller Blind Fabric, Mine Vent Duct, We believe that in good quality more than quantity. Before export of the hair there is strict top quality control check during treatment as per international good quality standards.
China wholesale Biogas Bag - 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:
With our excellent administration, strong technical capability and strict excellent control method, we carry on to offer our clients with responsible good quality, reasonable costs and great companies. We intention at becoming considered one of your most responsible partners and earning your pleasure for China wholesale Biogas Bag - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: New Orleans, Sri Lanka, Swansea, Our expert engineering team will generally be prepared to serve you for consultation and feedback. We are able to also offer you with free of charge samples to meet your requirements. Best efforts will likely be produced to provide you the best service and merchandise. When you are keen on our business and products, please speak to us by sending us emails or call us quickly. In an effort to know our products and company extra, you may come to our factory to view it. We will generally welcome guests from all over the world to our business to create business relations with us. Please feel cost-free to speak to us for small business and we believe we'll share the best trading experience with all our merchants.