Good Quality Tunnel Ventilation Duct - JULI® Accessories & Fittings – Foresight

Good Quality Tunnel Ventilation Duct - JULI® Accessories & Fittings – Foresight


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The very rich projects management experiences and one to one service model make the high importance of business communication and our easy understanding of your expectations for Biogas Systems, Underground Ventilation Piping, Ventilation Installation, Never-ending improvement and striving for 0% deficiency are our two main excellent policies. Should you need anything, never be reluctant to speak to us.
Good Quality Tunnel Ventilation Duct - JULI® Accessories & Fittings – Foresight Detail:

Product Informations

JULI® Accessories & Fittings can be made with PVC flexible fabric, polyester fiber as the base fabric, and coated with 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.

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®  Accessories&Fittings Technical Specification
Item Unit Value
Diameter mm 300-3000
Section length m 5, 10, 20, 30, 50, 100, 200, 300
Color - Yellow, Orange, Black
Suspension - Diameter<1800mm, single suspension fin/patch
Diameter≥1800mm, double suspension 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
The above values are average for reference, allowing 10% tolerance. Customization is acceptable for all given values.

 Product Feature

◈ Used for turning, reducing, switching, and connecting the main and branch tunnels.
◈ All fittings are available in both layflat and spiral, as well as oval.
◈ Many different fittings in various diameters, configurations, and lengths.
◈ The great flexibility of fittings adapts perfectly to your conditions.
◈ Processing with supplied drawings or samples is acceptable.
◈ Polyester woven or knit fabric with a PVC coating on both sides.
◈ The flame resistance meets DIN4102 B1/EN13501/NFPA701/DIN75200 standards.
◈ Diameters range from 200 mm to 3000 mm. Customization is acceptable for other dimensions.

Product Advantages


Product detail pictures:

Good Quality Tunnel Ventilation Duct - JULI® Accessories & Fittings – Foresight detail pictures


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Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Good Quality Tunnel Ventilation Duct - JULI® Accessories & Fittings – Foresight , The product will supply to all over the world, such as: Lebanon, Australia, Iran, Hard work to keep making progress, innovation in the industry, make every effort to first-class enterprise. We try our best to build the scientific management model, to learn abundant experienced knowledge, to develop advanced production equipment and production process , to create the first-call quality goods, reasonable price , high quality of service , quick delivery , to present you create new value .
  • 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 Agustin from Madrid - 2018.12.30 10:21
    It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By Raymond from France - 2018.07.26 16:51
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