18 Years Factory Mine Ventilation Tube - JULI® Spiral Ventilation Ducting – Foresight

18 Years Factory Mine Ventilation Tube - JULI® Spiral Ventilation Ducting – Foresight


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"Sincerity, Innovation, Rigorousness, and Efficiency" would be the persistent conception of our corporation to the long-term to establish collectively with customers for mutual reciprocity and mutual benefit for Vent Pipe Fittings, Antistatic Ventialtion Hose, Vent Flex Pipe, "Making the Products of Large Quality" is definitely the everlasting purpose of our enterprise. We make unremitting endeavours to know the target of "We Will Always Hold in Pace along with the Time".
18 Years Factory Mine Ventilation Tube - 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:

18 Years Factory Mine Ventilation Tube - JULI® Spiral Ventilation Ducting – Foresight detail pictures

18 Years Factory Mine Ventilation Tube - JULI® Spiral Ventilation Ducting – Foresight detail pictures


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With reliable good quality system, great standing and perfect consumer support, the series of products and solutions produced by our organization are exported to quite a few countries and regions for 18 Years Factory Mine Ventilation Tube - JULI® Spiral Ventilation Ducting – Foresight , The product will supply to all over the world, such as: Lithuania, Korea, Lithuania, Our Company policy is "quality first, to be better and stronger, sustainable development" . Our pursuit goals is "for society, customers, employees, partners and enterprises to seek reasonable benefit". We aspirate to do cooperate with all different the auto parts manufacturers, repair shop, auto peer , then create a beautiful future! Thank you for taking time to browse our website and we would welcome any suggestions you may have that can help us to improve our site.
  • The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By Amy from Toronto - 2018.02.21 12:14
    Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Nana from Morocco - 2018.03.03 13:09
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