China Manufacturer for Flexible Air Duct Hose - JULI® Spiral Ventilation Ducting – Foresight

China Manufacturer for Flexible Air Duct Hose - JULI® Spiral Ventilation Ducting – Foresight


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"Quality initially, Honesty as base, Sincere company and mutual profit" is our idea, in order to create repeatedly and pursue the excellence for Tube Exhaust Fan, Air Ventilator Yellow Flexible Ducting Hose, Underground Mine Ventilation Ducting, At our firm with good quality initially as our motto, we manufacture merchandise that are entirely made in Japan, from materials procurement to processing. This enables them for being used with confident peace of mind.
China Manufacturer for Flexible Air Duct Hose - 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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China Manufacturer for Flexible Air Duct Hose - JULI® Spiral Ventilation Ducting – Foresight detail pictures


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Our target is always to satisfy our customers by offering golden support, superior value and high quality for China Manufacturer for Flexible Air Duct Hose - JULI® Spiral Ventilation Ducting – Foresight , The product will supply to all over the world, such as: Stuttgart, Marseille, Indonesia, Now, with the development of internet, and the trend of internationalization, we've got decided to extend business to overseas market. With the propose of bringing more profits to oversea customers by providing directly abroad. So we have changed our mind, from home to abroad, hope to give our customers more profit, and looking forward to more chance to make business.
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
5 Stars By Erica from Ethiopia - 2017.12.09 14:01
The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
5 Stars By April from Czech Republic - 2017.12.31 14:53
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