Wholesale Dealers of Mine Ventilation Design - JULI® Flexible Oval Ventilation Duct – Foresight

Wholesale Dealers of Mine Ventilation Design - JULI® Flexible Oval Ventilation Duct – Foresight


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Our company puts emphasis on the management, the introduction of talented personnel, and the construction of staff building, trying hard to improve the quality and liability consciousness of staff members. Our company successfully attained IS9001 Certification and European CE Certification of Tunnel Air Duct, Spiral Flat Duct, Oval Ventilation Ducting, We welcome new and old customers to contact us by phone or send us inquiries by mail for future business relationships and achieving mutual success.
Wholesale Dealers of Mine Ventilation Design - 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:

Wholesale Dealers of Mine Ventilation Design - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures

Wholesale Dealers of Mine Ventilation Design - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures


Related Product Guide:

Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Wholesale Dealers of Mine Ventilation Design - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: USA, Singapore, Bangladesh, So We also continuously function. we, focuse on high quality, and are conscious of the importance of environmental protection, most of the merchandise are pollution-free, environmentally friendly products, reuse on the solution. We've Updated our catalog, which introduces our organization. n detail and covers the primary items we provide at present, You may also visit our web-site, which involves our most recent product line. We look forward to reactivating our company connection.
  • Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Nick from Paris - 2018.09.21 11:44
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Christopher Mabey from Bolivia - 2017.11.12 12:31
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