Wholesale Discount Fire Retardant Flexible Duct - JULI® Flexible Oval Ventilation Duct – Foresight

Wholesale Discount Fire Retardant Flexible Duct - JULI® Flexible Oval Ventilation Duct – Foresight


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Adhering into the principle of "quality, provider, performance and growth", we now have gained trusts and praises from domestic and intercontinental consumer for Minevent, Extractor Fan Tube, Mining Ventilation Duct, And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!
Wholesale Discount Fire Retardant Flexible Duct - 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 Discount Fire Retardant Flexible Duct - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures

Wholesale Discount Fire Retardant Flexible Duct - JULI® Flexible Oval Ventilation Duct – Foresight detail pictures


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Persisting in "High high quality, Prompt Delivery, Aggressive Price", we've established long-term cooperation with clients from the two overseas and domestically and get new and old clients' superior comments for Wholesale Discount Fire Retardant Flexible Duct - JULI® Flexible Oval Ventilation Duct – Foresight , The product will supply to all over the world, such as: Tajikistan, Israel, Canberra, So far our merchandise have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have now 13years experienced sales and purchase in Isuzu parts at home and abroad and the ownership of the modernized electronic Isuzu parts checking systems. We honor our core principal of Honesty in business, priority in service and will do our best to provide our customers with high quality items and excellent service.
As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
5 Stars By Denise from Comoros - 2018.06.03 10:17
This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
5 Stars By Michaelia from Croatia - 2017.11.20 15:58
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