Renewable Design for Tunnel Ventilation Ducting - JULI® Accessories & Fittings – Foresight

Renewable Design for Tunnel Ventilation Ducting - JULI® Accessories & Fittings – Foresight


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That has a positive and progressive attitude to customer's interest, our organization consistently improves our products quality to satisfy the demands of shoppers and further focuses on safety, reliability, environmental specifications, and innovation of Flexible Spiral Ducting, Vent Ducting Kit, Duct Suppliers, We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Renewable Design for Tunnel Ventilation Ducting - 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:

Renewable Design for Tunnel Ventilation Ducting - JULI® Accessories & Fittings – Foresight detail pictures


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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for Renewable Design for Tunnel Ventilation Ducting - JULI® Accessories & Fittings – Foresight , The product will supply to all over the world, such as: Hungary, New Zealand, Mozambique, We have a excellent team supplying professional service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our products.
  • The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Sahid Ruvalcaba from Johor - 2017.08.15 12:36
    We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Jenny from Holland - 2018.02.08 16:45
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