We've our have sales staff, style and design staff, technical crew, QC team and package workforce. We've strict excellent control procedures for each system. Also, all of our workers are experienced in printing field for Mining Tunnel Ventilation, Vent Tube, A Duct That Provides Ventilation, We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.               
              Ordinary Discount Mine Ventilation Tubing - JULI® Flexible Oval Ventilation Duct – Foresight              Detail: 
              
                                          Product Informations
JULI® oval ventilation duct is made of PVC flexible fabric with polyester fiber as the base fabric and is coated with a PVC membrane on both sides. Polyester fiber can be chosen for different user requirements and environments. The PVC membrane is fire resistant with DIN4102 B1, NFPA701, EN13501, DIN75200, and antistatic properties; all are accompanied by an SGS test result.
JULI® oval ventilation duct is made with two suspension fins outside. The angle can be customized according to the customer’s requirement. There are also two suspension fins connected with carabiner hooks and steel rope inside the duct to keep the oval shape.
		suspension system
	
				
				
				
		 Single suspension fin
	
				
				
				
		Double suspension fins
	
				
				
				
		Single suspension patch
	
				
				
				
		Double suspension patches
	
		Coupling system
	
				
				
				
		Zipper Coupling
	
				
				
				
		Velcro Coupling
	
				
				
				
		Eyelet Coupling
	
				
				
				
		End ring Coupling
	
 Product Parameters
| JULI® Oval Ventilation Ducting Technical Specification | 
| Item | 
Unit | 
 | 
| Diameter | 
mm | 
450-1650 | 
| Section length | 
m | 
5, 10, 20, 30, 50, 100, 200, 300 | 
| Color | 
- | 
Yellow, Orange, Black | 
| Suspension | 
- | 
Double susopenison fins/patches | 
| Sealing face sleeve | 
mm | 
150-250 | 
| Grommet spacing | 
mm | 
750 | 
| Coupling | 
- | 
Zipper/Velcro/Steel ring/Eyelet | 
| Fire resistance | 
- | 
DIN4102 B1/EN13501/NFPA701/DIN75200 | 
| Antistatic | 
Ω | 
≤3 x 108 | 
| Packing | 
- | 
Pallet | 
| Diameter(mm) | 
Dimension(mm) | 
   | 
| A | 
B | 
| 450 | 
650 | 
350 | 
| 600 | 
850 | 
450 | 
| 750 | 
1100 | 
550 | 
| 800 | 
1150 | 
600 | 
| 900 | 
1300 | 
700 | 
| 1000 | 
1400 | 
750 | 
| 1050 | 
1500 | 
800 | 
| 1200 | 
1700 | 
900 | 
| 1350 | 
1950 | 
1050 | 
| 1500 | 
2150 | 
1150 | 
| 1650 | 
2300 | 
1200 | 
| The above values are average for reference, allowing 10% tolerance. Customization is acceptable for all given values. | 
 Product Feature
◈ Used for low headroom or small mine tunnels with a limited height.
◈ All ducting and fittings are available in both layflat and spiral.
◈ Increased airflow by maximizing duct space.
◈ Welding inside suspension fins reduce air leakage rates.
◈ Polyester woven or knit fabric with a PVC coating on both sides.
◈ The flame resistance meets DIN4102 B1/EN13501/NFPA701/DIN75200 standards.
◈ Diameters ranging from 450 to 1650mm, other dimensions are amenable to customization.
				
				
Product Advantages
                            
                            
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