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              China wholesale Mine Ventilation Duct Hose - JULI® Layflat ventilation ducting – Foresight              Detail: 
              
                                          Product Informations
Foresight conducts independent research and development of high-quality PVC flexible ventilation duct membrane compositions that can be customized based on season, application, and performance to provide product quality stability, cost-effectiveness, extended service life, and environmental adaptability.
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.
The automatic production line independently developed by Foresight can realize the production of duct sections with lengths of 100 m, 200 m, and 300 m, including welding suspension fin/patch, welding duct body, folding, etc., which greatly improves the production efficiency and reduces the air leakage rate of the tunnel ventilation duct.
		suspension system
	
				
				
				
		 Single suspension fin
	
				
				
				
		Two suspension fins
	
				
				
				
		Single suspension patch
	
				
				
				
		Two suspension patches
	
		Coupling system
	
				
				
				
		Zipper Coupling
	
				
				
				
		Velcro Coupling
	
				
				
				
		Eyelet Coupling
	
				
				
				
		End ring Coupling
	
 Product Parameters
| JULI® Layflat Ventilation Ducting Technical Specification | 
| Item | 
Unit | 
Value | 
| Diameter | 
mm | 
300-3000 | 
| Section length | 
m | 
5, 10, 20, 30, 50, 100, 200, 300 | 
| Color | 
- | 
Yellow, Orange, Black | 
| Suspension | 
- | 
Diameter<1800mm, single suspension fin/patch | 
| Diameter≥1800mm, two suspension 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 | 
| The above values are averages for reference, allowing 10% tolerance. Customization is acceptable for all given values. | 
 Product Feature
◈ For positive pressure applications, layflat ventilation ducts are ideal.
◈ All ducting and fittings are available in spiral and oval.
◈ Airtight seams and grommets are soldered, resulting in negligible friction loss.
◈ Polyester woven or knit fabric with PVC coating on both sides.
◈ The flame resistance meets DIN4102 B1/EN13501/NFPA701/DIN75200 standards.
◈ Customization is available for diameters ranging from 300 mm to 3000 mm.
◈ Standard lengths of 10 m, 20 m, 50 m, 100 m…developed specifically for TBM. Section lengths can reach 200 m, 300 m, or even longer, and lifetimes can range from 5 to 10 years.
				
Product Advantages
Application
                            
                            
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              Our personnel are always in the spirit of "continuous improvement and excellence", and together with the top-quality good quality solutions, favorable selling price and superior after-sales providers, we try to acquire each customer's rely on for              China wholesale Mine Ventilation Duct Hose - JULI® Layflat ventilation ducting – Foresight              , The product will supply to all over the world, such as: Uruguay, Dubai, Russia, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We are able to also provide you with no cost samples to meet your needs. Best efforts will be produced to offer you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our products and enterprise. lot more, you'll be able to come to our factory to find out it. We will constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. Please really feel absolutely free to make contact with us for small business and we believe we will share the top trading practical experience with all our merchants.