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Heavy-Duty Insulated Flexible Air Duct for HVAC & Specialty Applications | 4-59 Diameter, 3mm Insulation, Multi-Color Options 1

Heavy-Duty Insulated Flexible Air Duct for HVAC & Specialty Applications | 4-59 Diameter, 3mm Insulation, Multi-Color Options 2

Heavy-Duty Insulated Flexible Air Duct for HVAC & Specialty Applications | 4-59 Diameter, 3mm Insulation, Multi-Color Options 3

Heavy-Duty Insulated Flexible Air Duct for HVAC & Specialty Applications | 4-59 Diameter, 3mm Insulation, Multi-Color Options 4

Heavy-Duty Insulated Flexible Air Duct for HVAC & Specialty Applications | 4"-59" Diameter, 3mm Insulation, Multi-Color Options

Our Insulated Flexible Air Duct is a high-performance solution for both commercial and industrial air distribution needs. Featuring a 3mm thick insulation layer for optimal thermal retention, this duct supports 90-degree rotation and dual-use airflow (supply/exhaust). With a wide diameter range (4"-59") and customizable lengths (3m/10m), it seamlessly integrates with grain cooling systems, HVAC units, and outdoor setups. Built to endure extreme temperatures (-15°C to 80°C) and available in 7+ colors, it combines durability with versatility.

Place of Origin:

Guangdong, China

Minimum order quantity:

5 meters

Supply Ability:

Ordinary air duct 500000 meters per year，PCA hose 200000 meters per year

Packing:

Pack according to custom length

Delivery time:

Please check with us before placing order

Transaction mode:

T/T，Western Union, Paypal

ODM & OEM:

Available

Certification:

ISO9001

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Product Specifications

Material: aluminum + 3mm PVC insulation layer

Colors: Yellow (standard), Gray, White, Blue, Red, Black, Green

Diameter: 4" (100mm) to 59" (1500mm)

Length: 3m (10ft) or 10m (33ft) | Custom lengths available

Temperature Resistance: -15°C to 80°C

Applications: HVAC systems, grain storage cooling, outdoor tents, industrial ventilation

Insulated-Flexible-Air-Duct-Yellow-3mm-Insulation

Related Parameters

thickness	3mm
diameter	100mm-1500mm
Temperature Range	- 15℃ to + 80 ℃
Certification	ISO9001
Color	Blue, yellow or customized colors
Feature	high quality can be used for both air supply and suction
Application	Agricultural Cooling Mobile HVAC Solutions

Key Features

✅ Superior Insulation

3mm lightweight yet highly efficient thermal layer minimizes energy loss, ensuring stable air temperature during transfer.

✅ 360° Flexibility & Durability

Reinforced spiral wire structure allows 90-degree bends without collapsing. Perfect for tight spaces and complex installations.

✅ Multi-Purpose Airflow

Designed for both supply and exhaust air systems, compatible with grain coolers, air conditioners, and industrial fans.

✅ Wide Compatibility

Fits all standard HVAC connectors and adapters. Ideal for cold chain logistics, agricultural cooling,

Application Scenario

Grain Storage: Maintain consistent temperatures in silos with cold air delivery.
Outdoor Events: Efficiently heat/cool large tents or temporary shelters.
Industrial HVAC: Durable solution for factories, workshops, and warehouses.
Specialty Cooling: Pair with grain cooling machines to prevent crop spoilage.

Why Choose Our Insulated Flexible Air Duct?

Certified Quality: ISO 9001 & SGS-tested for fire resistance and material safety.
Customizable Options: Choose color, length, and diameter to match your system.
Cost-Effective: Reduced energy waste lowers operational costs.
Easy Installation: Lightweight design with clamp-ready ends for quick setup.

Frequently Asked Questions

Do you have your own factory and where is the factory?

Yes, we have our own factory, our factory is located in Foshan, Guangdong, China, welcome to visit us.

What is an insulated flexible air duct used for?

Our flexible ducting insulated is designed for specialty HVAC systems, including:Grain cooling machines ,Portable outdoor AC units，Industrial/commercial air conditioning ducts.It prevents thermal loss, reduces condensation, and maintains stable airflow temperatures.

2. What makes your air conditioner duct insulation better than standard ducts?

Double-layer insulation: Aluminum foil for maximum thermal efficiency. Reinforced steel wire helix: Prevents collapse during bends. Wider temperature range: Works in extreme conditions (-15°C to +80°C).

What sizes do you offer for flexible ducting insulated?

Available in 4" to 48" diameters, with customizable lengths. Contact us for bulk orders.

Can I use this duct for high-temperature applications?

Yes! Our insulated flexible air duct handles up to 80°C, making it suitable for heated air transfer as well.

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