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Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight

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  • Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight
  • Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight

Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight


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Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for Biogas Reactor, Flexible Material For Ventilation Duct, Plastic Reinforcement Pipe, We believe in quality over quantity. Before export of the hair there is strict quality control check during treatment as per international quality standards.
Renewable Design for Tunnel Ventilation Ducting - 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:

Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures

Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures

Related Product Guide:
Our pursuit and company intention is usually to "Always fulfill our purchaser requirements". We go on to acquire and layout excellent high quality products for both our previous and new consumers and realize a win-win prospect for our customers too as us for Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: London, Puerto Rico, Montreal, As a way to make use of the resource on the expanding information and facts in international trade, we welcome prospects from everywhere on the web and offline. In spite in the top quality products we offer, effective and satisfying consultation service is supplied by our specialist after-sale service group. Solution lists and detailed parameters and any other info weil be sent to you timely for the inquiries. So please get in touch with us by sending us emails or contact us if you have any concerns about our firm. ou can also get our address info from our web site and come to our enterprise. or a field survey of our solutions. We're confident that we are going to share mutual results and build solid co-operation relations with our companions in this market. We're looking forward to your inquiries.
    • The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Claire from Rio de Janeiro - 2018.09.21 11:01
    This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Jean from Pakistan - 2018.09.19 18:37
    Write your message here and send it to us

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