High Quality for Underground Ventilation Duct Yellow - JULI® Accessories & Fittings – Foresight

High Quality for Underground Ventilation Duct Yellow - JULI® Accessories & Fittings – Foresight


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With reliable good quality system, great standing and perfect consumer support, the series of products and solutions produced by our organization are exported to quite a few countries and regions for Round Ventilation Duct, Air Vent Duct, Steel Wire Spiral Duct Hose, We keep on with supplying integration alternatives for customers and hope to create long-term, steady, sincere and mutual advantageous interactions with consumers. We sincerely anticipate your check out.
High Quality for Underground Ventilation Duct Yellow - 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:

High Quality for Underground Ventilation Duct Yellow - JULI® Accessories & Fittings – Foresight detail pictures


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We insist over the principle of development of 'High top quality, Performance, Sincerity and Down-to-earth working approach' to supply you with exceptional services of processing for High Quality for Underground Ventilation Duct Yellow - JULI® Accessories & Fittings – Foresight , The product will supply to all over the world, such as: Haiti, Mumbai, South Africa, During in 11 years, We have participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !
  • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Fanny from French - 2017.11.29 11:09
    We have worked with many companies, but this time is the best,detailed explanation, timely delivery and quality qualified, nice!
    5 Stars By Teresa from Morocco - 2018.11.04 10:32
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