Flexible PVC Negative Pressure Air Duct, Fume or Gas Exhaust for Underground, Mining and Tunnel
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Product Highlights
- Wide Customization Range: Diameter, length, color, and steel ring pitch available in custom sizes.
- Durable Material Construction: Made of wear-resistant biaxial polyester high-strength yarn for long service life.
- Multi-Functional Features: Anti-static, waterproof, flame retardant, impact resistant, and explosion-proof.
- Flexible Design: Freely bent, expanded, and contracted with easy zipper or eyelet connection.
- High Performance: Elasticity index 7000Pa-8000Pa and compressive strength 1000-2000PA.
- Seamless Heat Sealing: Uses seamless heat sealing process for long air supply distance.
- OEM/ODM Services: Full customization, minor customization, and flexible customization options.
Product Attributes
- Customization
- Available
- Material
- PVC
- Usage
- for Air Conditioner
- Model NO.
- 600mm
- Application
- Metallurgy
- Shape
- Round
- Performance
- Corrosion
- Certification
- ISO, CE, CCC
- Diameter
- 100~1500mm or Customized
- Environmental Temperature
- -20~100℃
- Compressive Strength
- 1000~2000PA
- Length
- 10m or Customized
- Weight
- 470~650GSM
- Thickness
- 0.4~0.6mm
- Color
- Yellow/Orange/Green/Black/Customized
- Feature
- Anti-Static/Waterproof/Impact Resistant
- Connection Way
- Zipper or Eyelet
- Steel Ring Material
- Spring Manganese Steel or Cold Drawn Steel
- Suspension Clasp Spacing
- 500mm or Customized
- Storage
- Freely Bent, Expanded and Contracted
- Installation
- Easy to Connect and Disassemble by Zipper or Eyele
- Steel Ring Thickness
- 5-10mm or Customized
- Standard Steel Ring Pitch
- 100mm or Customized
- Transport Package
- Export Wooden Package
- Specification
- According to the order
- Trademark
- HANQI
- Origin
- Shandong, China
- Production Capacity
- 20000 Pieces/Year
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Flexible PVC Negative Pressure Air Duct, Fume or Gas Exhaust for Underground, Mining and Tunnel
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Product Description
Products Description



|
Material
|
PVC
|
|
Working Temperature
|
-20 °C-- 100°C
|
|
Size
|
300mm-20000mm
|
|
Diameter
|
100mm-2000mm
|
|
Thickness
|
0.4~0.6mm or customized |
|
Elasticity Index
|
7000Pa--8000Pa
|
|
Color
|
Orange/black/green/yellow
|
Features
Air duct hook detail Machine wiring, neat and firm, Internal negative pressure skeleton
closed zipper
---Soft texture, lightweight, compression, and aging resistance, beautiful appearance.
Ordering notice
| Before placing an order, please send us the following parameters to help us find the most suitable Flexible duct for you: |
|
| 1 | Diameter and air supply distance |
| 2 | Color (orange, green, black) |
| 3 | Connection method |
| 4 | Inlet and outlet dimensions of TEES, bifurcation angle |
Company shown
Shandong Hanqi Industrial Co.,Ltd. locates in famous industrial town Shandong province of east China, manufacture and export types of tunnel and mine fans.
Shandong Antai Ventilation Equipment Co.,Ltd. As the branch of Shandong Hanqi who is professional of manufacturer in tunnel construction fans and mine fans.
With the advantages of reliable quality, reasonable price and practical function, our products are very popular in world markets, we have established long and stable partnership with customers from different countries,like Russia, Saudi Arabia, UAE, Singapore, Algeria, Australia, Bangladesh, Brazil, Canada, Costa Rica, Denmark, Honduras, India, Indonesia, Jordan, Lithuania, Malaysia, Pakistan, Romania, South Africa, Thailand, USA, Vietnam and more.
Main Product
Customer Photos
Business License & Certifications
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR255346". Items marked "" are certified.
Company Profile
Shandong Hanqi Industrial Co., Ltd. is a rising comprehensive industrial company, which integrates in design, development, manufacturing, installation, sales and after-sales services. With it's own factories, research institute and the strategic cooperation with main adventage manufactories in China, Shandong Hanqi has served and developed solutions for global customers for more than a decade.
Shandong Hanqi Industrial Co., Ltd. Locates in famous industrial town Shandong province of east China, manufacture and export types of industrial equipment:
Industrial fans: Centrifugal Blower Fan, axial fan, tunnel fan, mining fan, high pressure fans, anti corrosion blowers etc.
Chemical equipment: Glass lined reactors, stainless steel reaction vessel, storage tanks, mixer tanks and heat exchanger etc.
Shandong Antai Ventilation Equipment Co., Ltd. As the branch of Shandong Hanqi who is professional of manufacturer in Industrial fans and blowers.
In order to provide the best services for clients, Shandong Hanqi has invested and established 4 factories related to upstream and downstream products during the ten years of development. That let the price and quality meet for the customers' target.
With the advantages of reliable quality, reasonable price and practical function, our products are very popular in world markets, we have established long and stable partnership with customers from different countries, like Russia, Saudi Arabia, UAE, Singapore, Algeria, Australia, Bangladesh, Brazil, Canada, Costa Rica, Denmark, Honduras, India, Indonesia, Jordan, Lithuania, Malaysia, Pakistan, Romania, South Africa, Thailand, USA, Vietnam and more.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Zhoulong Road, Nanjiao Town, Zhoucun District, Zibo, Shandong, China
-
Number of Employees
- 11
-
Registered Capital
- 17,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Tunnel Fan, Jet Fan, Axial Flow Fan, Centrifugal Fan
-
Production Lines
- 2
-
Production Machines
- Laser cutting machine, Shearing cutting machine, Rolling machine, Drilling machine, Shot blasting machine, Painting room, Punching machine, Welding machine
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-05-19
-
Export Year
- 8 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 8
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- What are the available color options?
- Colors include orange, black, green, yellow, and custom colors.
- Can the product dimensions be customized?
- Yes, diameter, length, and steel ring pitch can be customized according to needs.
- How is the connection made?
- Connection is achieved via zipper or eyelet for easy installation and disassembly.
- What certifications does the product have?
- The product holds ISO, CE, and CCC certifications.
- Is OEM and ODM service available?
- Yes, we offer full customization, minor customization, and flexible customization.
- What is the minimum order quantity?
- The minimum order quantity is 1 set.
- What are the payment terms?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
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