JULII^® Layflat ventilation ducting

We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for Factory made hot-sale China Flexible Plastic PVC Spiral Helix Suction Hose, As an expert specialized in this field, we are committed to solving any problem of large temperature protection for users.
We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for China Suction Hose, PVC Suction Hose, We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of “good quality, reasonable price, the first-class service”. We are willing to build long-term, friendly and mutually beneficial cooperation with you.

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

 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.

Product Advantages

Application

We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for Factory made hot-sale China Flexible Plastic PVC Spiral Helix Suction Hose, As an expert specialized in this field, we are committed to solving any problem of large temperature protection for users.
Factory made hot-sale China Suction Hose, PVC Suction Hose, We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of “good quality, reasonable price, the first-class service”. We are willing to build long-term, friendly and mutually beneficial cooperation with you.