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Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight

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  • Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight
  • Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight

Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight


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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Underground Ventilation Ducts Manufacturer, Flexible Ventilation Air Duct, Pvc Spiral Duct, Welcome around the world consumers to speak to us for organization and long-term cooperation. We'll be your reputable partner and supplier of auto areas and accessories in China.
Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight Detail:

Product Informations

Foresight conducts independent research and development of high-quality PVC flexible ventilation duct membrane compositions that can be customized based on season, application, and performance to provide product quality stability, cost-effectiveness, extended service life, and environmental adaptability.

The fire resistance of the JULI® tunnel ventilation duct is DIN4102 B1, NFPA701, EN13501, DIN75200, and all fire resistance is accompanied by an SGS test result. When a fire is present, a high flame retardant can help to limit the hazardous and harmful gases that can injure the human body.

The automatic production line independently developed by Foresight can realize the production of duct sections with lengths of 100 m, 200 m, and 300 m, including welding suspension fin/patch, welding duct body, folding, etc., which greatly improves the production efficiency and reduces the air leakage rate of the tunnel ventilation duct.

suspension system


1. Single suspension fin

Single suspension fin


2. Dual suspension fin

Two suspension fins


3. Single suspension patch

Single suspension patch


4. Daul suspension patch

Two 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® Layflat Ventilation Ducting 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, two 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 averages for reference, allowing 10% tolerance. Customization is acceptable for all given values.

 Product Feature

◈ For positive pressure applications, layflat ventilation ducts are ideal.
◈ All ducting and fittings are available in spiral and oval.
◈ Airtight seams and grommets are soldered, resulting in negligible friction loss.
◈ Polyester woven or knit fabric with PVC coating on both sides.
◈ The flame resistance meets DIN4102 B1/EN13501/NFPA701/DIN75200 standards.
◈ Customization is available for diameters ranging from 300 mm to 3000 mm.
◈ Standard lengths of 10 m, 20 m, 50 m, 100 m…developed specifically for TBM. Section lengths can reach 200 m, 300 m, or even longer, and lifetimes can range from 5 to 10 years.

JULI® Layflat Ventilation Ducting

Product Advantages

Application

Product detail pictures:

Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight detail pictures

Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight detail pictures

Related Product Guide:
Our company sticks into the basic principle of "Quality is definitely the life of the business, and status may be the soul of it" for Good User Reputation for Oval Ventilation Duct - JULI® Layflat Ventilation Ducting – Foresight , The product will supply to all over the world, such as: Grenada, Romania, Honduras, After years' creating and developing, with the advantages of trained qualified talents and rich marketing experience, outstanding achievements were gradually made. We get good reputation from the customers due to our good solutions quality and fine after-sale service. We sincerely wish to create a more prosperous and flourishing future together with all the friends home and abroad!
    • 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 Muriel from Honduras - 2017.08.18 11:04
    The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Miranda from Pakistan - 2018.12.10 19:03
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