JULI®Flexible Oval Ventilation Duct

JULI®Flexible Oval Ventilation Duct

The JULI® oval ventilation duct is used for low headroom or small mine tunnels with a height limit. It is made in an oval shape to reduce the headroom requirement by 25% to permit the large equipment to be used.


Product Detail

Always customer-oriented, and it’s our ultimate goal to get not only by far the most reputable, trustable and honest supplier, but also the partner for our customers for Reasonable price China Positive Pressure Air Duct Vent for Air Discharge, Our goods are strictly inspected before exporting , So we gain a excellent name all around the world. We wanting forward to cooperation along with you while in the upcoming.
Always customer-oriented, and it’s our ultimate goal to get not only by far the most reputable, trustable and honest supplier, but also the partner for our customers for China Air Duct Vent, Layflat Mining Duct, We welcome you to visit our company, factory and our showroom displayed various products that will meet your expectation, meanwhile, it is convenient to visit our website, our sales staff will try their efforts to provide you the best service. If you need more information, please do not hesitate to contact us by E-mail or telephone.

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

Single suspension fin

Double suspension fins

Single suspension patch

Double suspension patches

Coupling system

Zipper Coupling

Velcro Coupling

Eyelet Coupling

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

Always customer-oriented, and it’s our ultimate goal to get not only by far the most reputable, trustable and honest supplier, but also the partner for our customers for Reasonable price China Positive Pressure Air Duct Vent for Air Discharge, Our goods are strictly inspected before exporting , So we gain a excellent name all around the world. We wanting forward to cooperation along with you while in the upcoming.
Reasonable price China Air Duct Vent, Layflat Mining Duct, We welcome you to visit our company, factory and our showroom displayed various products that will meet your expectation, meanwhile, it is convenient to visit our website, our sales staff will try their efforts to provide you the best service. If you need more information, please do not hesitate to contact us by E-mail or telephone.


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