Hot-selling Biogas Digestor - JULI® Spiral Ventilation Ducting – Foresight

Hot-selling Biogas Digestor - JULI® Spiral Ventilation Ducting – Foresight


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We offer great strength in quality and development,merchandising,sales and marketing and operation for Mining Ventilation Duct, Mine Ventilation Duct, Underground Ventilation Ducting, We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Hot-selling Biogas Digestor - 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-selling Biogas Digestor - JULI® Spiral Ventilation Ducting – Foresight detail pictures

Hot-selling Biogas Digestor - 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 Hot-selling Biogas Digestor - JULI® Spiral Ventilation Ducting – Foresight , The product will supply to all over the world, such as: Denmark, Madagascar, Bolivia, With a team of experienced and knowledgeable personnel, our market covers South America, the USA, the Mid East, and North Africa. Many customers have become our friends after good cooperation with us. If you have the requirement for any of our products, please contact us now. We are looking forward to hearing from you soon.
The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
5 Stars By Diego from Nigeria - 2018.08.12 12:27
After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
5 Stars By Karen from Luxembourg - 2017.03.08 14:45
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