Hot Sale for Lay Flat Ducting - JULI® Spiral Ventilation Ducting – Foresight

Hot Sale for Lay Flat Ducting - JULI® Spiral Ventilation Ducting – Foresight


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We also offer product sourcing and flight consolidation services. We have our own factory and sourcing office. We can provide you with almost every type of product related to our product range for Mining Air Duct, Bio Gas Plant, Flexible Duct For Exhaust Fan, We warmly welcome you to establish cooperation and create a bright future together with us.
Hot Sale for Lay Flat Ducting - JULI® Spiral Ventilation Ducting – Foresight Detail:

Product Informations

JULI® spiral ventilation duct is made of manganese steel with good elasticity as the reinforced steel wire and can be used under positive pressure for air blowing as an elbow in the underground. It is made by a special welding machine in Foresight with a good appearance and excellent folding performance. During ventilation, the stress is smooth and uniform, and it can bear greater pressure without the danger of blowing. The JULI® spiral ventilation duct can also be used for negative pressure and exhausting air from a tunnel inside. The reinforced steel wire is made of cold-drawn steel, which can support high air extraction pressure to meet the needs of customers.

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.

 Product Parameters

JULI®  Spiral Ventilation Ducting Technical Specification
Item Unit Value
Diameter mm 300-2500
Section length m 5, 10
Color - Yellow, Orange, Black
Suspension - Diameter<1800mm, single suspension ring
Diameter≥1800mm, double suspension ring
Suspenion ring spacing mm 200-600
Steel ring diameter mm 5-10
Standard pitch mm 100-300
Sealing face sleeve mm 150-250
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

◈ Designed for both high negative and positive pressure and elbow use.
◈ Spiral reinforced by spring steel wire/individual steel ring (end ring), seams and PVC profile welded airtight, smooth inner surface, low friction loss.
◈ All ducting and fittings are available in an oval shape.
◈ Customization is possible, with a diameter range of 400 mm to 2100 mm.
◈ Flame resistance conforms to EN13501/DIN4102 B1/NFPA701/DIN75200.
◈ Standard length, 5 m, 10 m, 15m or 20m.
◈ The antistatic feature (3×108Ω) is optional. The newly developed water-based material that is used for antistatic surface treatment is an environmentally protective material without VOC emission in processing and use, and is also healthy for workers. It makes the antistatic value stabilize at 3×106Ω.

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Product detail pictures:

Hot Sale for Lay Flat Ducting - JULI® Spiral Ventilation Ducting – Foresight detail pictures

Hot Sale for Lay Flat Ducting - JULI® Spiral Ventilation Ducting – Foresight detail pictures


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To be a result of ours specialty and service consciousness, our company has won a superb reputation between customers all around the environment for Hot Sale for Lay Flat Ducting - JULI® Spiral Ventilation Ducting – Foresight , The product will supply to all over the world, such as: South Korea, Argentina, Guatemala, Our company has always insisted on the business principle of "Quality, Honest, and Customer First" by which we have won the trust of clients both from at home and abroad. If you are interested in our solutions, you should do not hesitate to contact us for further information.
  • We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Elaine from Toronto - 2018.11.04 10:32
    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Chris from UAE - 2018.11.28 16:25
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