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

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


Product Detail

Related Video

Feedback (2)

High quality Initial,and Buyer Supreme is our guideline to offer the ideal assistance to our shoppers.At present, we are striving our best to become amongst the ideal exporters inside our industry to satisfy shoppers more want for Ventilation Pipes, Plastic Reinforcement Pipe, Vent Flex Pipe, We welcome buyers all around the word to make contact with us for foreseeable future small business associations. Our products and solutions are the most beneficial. Once Selected, Perfect Forever!
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.

 2
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:

We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for Renewable Design for Tunnel Ventilation Ducting - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: Cyprus, Victoria, Kazakhstan, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we've been committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have now passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.
  • The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Dawn from Hanover - 2017.09.16 13:44
    The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Henry from Monaco - 2018.06.18 19:26
    Write your message here and send it to us