OEM manufacturer Underground Ventilation Ducts Manufacturer - JULI® Flexible Oval Ventilation Duct – Foresight

OEM manufacturer Underground Ventilation Ducts Manufacturer - JULI® Flexible Oval Ventilation Duct – Foresight


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High quality Very first,and Shopper Supreme is our guideline to offer the most beneficial company to our clients.Nowadays, we're hoping our best to be certainly one of the top exporters in our area to satisfy consumers additional will need for Positive Pressure Air Duct, Anti-Static Fabric, Flat Plastic Air Duct, As an expert specialized in this field, we are committed to solving any problem of high temperature protection for users.
OEM manufacturer Underground Ventilation Ducts Manufacturer - 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

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Product detail pictures:

OEM manufacturer Underground Ventilation Ducts Manufacturer - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures

OEM manufacturer Underground Ventilation Ducts Manufacturer - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" could be the persistent conception of our enterprise to the long-term to produce together with clients for mutual reciprocity and mutual profit for OEM manufacturer Underground Ventilation Ducts Manufacturer - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: Libya, Latvia, Monaco, To work with an excellent items manufacturer, our company is your best choice. Warmly welcome you and opening up the boundaries of communication. We are the ideal partner of your business development and look forward to your sincere cooperation.
  • Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Henry stokeld from Angola - 2017.07.07 13:00
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Sally from French - 2017.05.02 18:28
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