Factory Promotional red mud biogas digester - JULI® Spiral Ventilation Ducting – Foresight

Factory Promotional red mud biogas digester - JULI® Spiral Ventilation Ducting – Foresight


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We persist with the principle of "quality 1st, assistance initially, continual improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the standard objective. To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Flexible Mine Vent Ducting, Underground Air Duct, Water Bag For Loading, Our firm quickly grew in size and reputation because of its absolute dedication to superior quality manufacturing, substantial price of solutions and fantastic customer services.
Factory Promotional red mud biogas digester - 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:

Factory Promotional red mud biogas digester - JULI® Spiral Ventilation Ducting – Foresight detail pictures

Factory Promotional red mud biogas digester - JULI® Spiral Ventilation Ducting – Foresight detail pictures


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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for Factory Promotional red mud biogas digester - JULI® Spiral Ventilation Ducting – Foresight , The product will supply to all over the world, such as: Milan, Egypt, French, Our advanced equipment, excellent quality management, research and development ability make our price down. The price we offering may not be the lowest, but we guarantee it is absolutely competitive! Welcome to contact us immediately for future business relationship and mutual success!
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 Atalanta from Chile - 2018.02.08 16:45
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
5 Stars By James Brown from moldova - 2017.03.08 14:45
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