100mm-1500mm Mining tunnel exhaust air ventilation duct underground metro folding air ventilation hose
Details Description
1, flexible duct for class B flame retardant PVC with wear-resistant plastic strips wrapped in high carbon spring steel is refined, soft cloth, high strength and tear resistance to acid, corrosion resistance, cold-resistant, heat-resisting, waterproof, and fire retardant.
2, flexible ducts can be retractable, arbitrarily bend, connect freely, lightweight; and easy to carry.
3, Environmental protection products are non-toxic, with no smell, no dust, no fiber—seamless tube, with no air leakage, wear-resistant, low wind resistance, compressive strength, etc.
4, The cloth thickness is 0.4mm-0.65mm, and the main color is orange. Other colors: gray, white, blue, red, black, green, etc.
5, Flexible duct diameter 4'' -59 ''(100mm - 1500mm) usual length 5m or 10m, can be available.
6, Temperature:-15 ℃ to +80 ℃ (cold resistance or high-temperature hose optional)
7, Ventilation hose is connected with the fan is simple and convenient, and can be an unlimited extension of the hose length
8, the hose body is about a meter, and a hanging buckle is convenient and practical.
| Product Name | Compressible mining tunnel ducts |
| Material | PVC |
| Thickness | 0.4mm-0.6mm |
| Diameter | 4"~59" (100~1500 mm) |
| Length | 5m or 10 m/pcs, customized |
| Temperature Range | 15 ℃ to +80 ℃ (cold resistance or high-temperature hose optional) |
| Color | orange, gray, white, blue, red, black, green, etc. |
| Feature | flexible duct for class B flame retardant PVC with wear-resistant plastic strips wrapped in high carbon spring steel is refined, soft cloth, high strength and tear resistance to acid, corrosion resistance, cold-resistant, heat-resisting, waterproof, fire retardant |
| Application | Mining tunnel operation |
Our Advantages
1. Factory Direct Sale: is a factory based in Guangdong,.
2. 10+ years experience: We are a professional company in this ventilation duct.
3. Small MOQ: small MOQ to meet different customers requirements.
4. Fast response: response to you in 24 hours, and take quick action in production.
5. High quality assurance: ISO9001 quality control system, CE/ SGS certificates as the proof.
6. Delivery time: after receiving confirmation of order.
7. Quality guarantee: All products are 100% QC inspection before shipment.
8. OEM or ODM is warmly welcome.
PAYMENT
We usually use TT.
T/T 30% deposit before production and balance 70% before delivery or against B/L copy if see shipment.
100%L/C at sight.
Westunion, paypal is available.
SHIPPING
If the quantity of order is not very big,we could send them to you by express delivery,such as TNT,DHL,UPS OR EMS etc.
If order is big,we will advise you use Air Shipping or Sea Shipping through your nominated forwarder agent.Our long-term cooperated agent also available.
Freight collect if bulk shipment.
Delivery Time:Please check with us before placing order
FAQ
Q1. When can I get the quotation? A1.We usually quote the prices within one workday (24 hours) upon receiving inquiry. But if you need urgent quotation, you can send message to the trade manager and communicate with us on line, or make a




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Step 1
Payment and order readiness
Minimum order: 10 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
5 days
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Step 3
Packaging and dispatch
Economy · Estimated delivery: Sep 29–Oct 22 (28–51 days)
Final packing, freight, and delivery dates are confirmed before dispatch.
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