Best-Selling Tunnel Vent Duct - JULI® Flexible Oval Ventilation Duct – Foresight

Best-Selling Tunnel Vent Duct - JULI® Flexible Oval Ventilation Duct – Foresight


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Sticking towards the principle of "Super High-quality, Satisfactory service" ,We've been striving to become a superb business partner of you for Flat Air Duct, Flexible Exhaust Fan Duct, Flexible Exhaust Fan, Only for accomplish the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment.
Best-Selling Tunnel Vent Duct - 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


1. Single suspension fin

Single suspension fin


2. Dual suspension fin

Double suspension fins


3. Single suspension patch

Single suspension patch


4. Daul suspension patch

Double suspension patches

Coupling system


1. Zipper Coupling

Zipper Coupling


2. Velcro Coupling

Velcro Coupling


3. Eyelet Coupling

Eyelet Coupling


_Zipper_Coupling-removebg-preview

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)  1
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.

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JULI Flexible Oval Ventilation Duct

Product Advantages


Product detail pictures:

Best-Selling Tunnel Vent Duct - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures

Best-Selling Tunnel Vent Duct - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures


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We've been commitment to offer the competitive rate ,outstanding merchandise good quality, too as fast delivery for Best-Selling Tunnel Vent Duct - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: Thailand, Accra, Manila, So that you can utilize the resource from the expanding info in international trade, we welcome shoppers from everywhere on-line and offline. In spite of the good quality solutions we offer, effective and satisfying consultation service is supplied by our specialist after-sale service team. Product lists and detailed parameters and any other info weil be sent to you timely for your inquiries. So please make contact with us by sending us emails or call us if you have any questions about our corporation. ou may also get our address info from our web page and come to our company to get a field survey of our merchandise. We are confident that we are going to share mutual achievement and create strong co-operation relations with our companions in this marketplace. We're searching forward for your inquiries.
  • We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Zoe from Montpellier - 2018.05.13 17:00
    The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Eleanore from Gambia - 2017.12.19 11:10
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