2022 China New Design Tunnel Air Ventilation - JULI® Layflat Ventilation Ducting – Foresight

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As a way to finest meet up with client's wants, all of our operations are strictly performed in line with our motto "High Quality, Aggressive Price, Fast Service" for Flexible Ventilation Duct Hose, Flexible Exhaust Duct, Ducting And Ventilation, We welcome you to inquire us by call or mail and hope to build a successful and cooperative relationship.

2022 China New Design Tunnel Air Ventilation - 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

Single suspension fin

Two suspension fins

Single suspension patch

Two suspension patches

Coupling system

Zipper Coupling

Velcro Coupling

Eyelet Coupling

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
Suspension	-	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

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We have now numerous great personnel members good at advertising, QC, and working with kinds of troublesome dilemma from the creation course of action for 2022 China New Design Tunnel Air Ventilation - JULI® Layflat Ventilation Ducting – Foresight , The product will supply to all over the world, such as: Congo, Singapore, Ottawa, We have a dedicated and aggressive sales team, and many branches, catering to our customers. We are looking for long-term business partnerships, and ensure our suppliers that they will definitely benefit in both short and long run.

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The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.