What is the maximum air velocity?

The maximum air velocity is 30 m/s.

Are samples available for testing?

Yes, samples are accepted for testing purposes.

20 Inch Polyester Pre-Insulated Elastic Round Ventilation Ducts

Name: 20 Inch Polyester Pre-Insulated Elastic Round Ventilation Ducts
Brand: GFI HVAC LIMITED
SKU: 2212179935

Fujian, ChinaGFI HVAC LIMITED

US$0.79-1.69

500 Meters

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Composite Material

Usage

for Air Conditioner

Application

Fire Resistance

Shape

Round

Performance

Fire Resistance / Light Weight / Low Noise

Certification

ISO, CE

Temperature Range

-30°c to +150°c

Available Sizes

4 Inch to 20 Inch Diameter

Maximum Air Velocity

30 M/S

Packing

10PCS/Carton

Sample

Operating Pressure

up to 3000 PA

Transport Package

Carton

Specification

10M Length

Origin

Fujian, China

HS Code

39211390

Production Capacity

4500sqm/Day

Key features

Fire Resistance Certification: Meets Class A2 fire resistance, EN13501-1, M0/M1 Rating, and UL94 flame retardancy standards.

High Pressure Resistance: Withstands working pressure up to 3000 Pa and maximum air velocity of 30 m/s.

Customizable Length: Standard length is 10 meters, with full customization available upon request.

Flexible Installation: Can be bent in any direction with a small bending radius and requires no special tools.

Space Saving Design: Features a 10:1 compression ratio for efficient storage and transportation.

Durable Construction: Inner duct features double-layer aluminum reinforced with a steel wire helix.

ISO 9001 Certified: Production processes are ISO 9001:2015 certified ensuring strict quality control.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

GFI HVAC LIMITED

Fujian, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Full Customization CertifiedNearest Port: XiamenAverage Response Time: ≤2.26h

About Our Factory & Business Background

AddressRoom 201, Building 15, No. 64, Fushan North Road, Zhangping City, Longyan, Fujian, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Supply Chain Partners3

Our Production Capability & Technical Expertise

Main ProductsSpiral Duct, Foam Pre-Insulated Duct, Air Vent, Flexible Duct, Rubber Insulation, Dampers, Air Diffuser and Grille, Air Register, Air Louver

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:Can the length of the duct be customized?

Yes, while the standard length is 10 meters, it can be customized upon request.

Q:What fire resistance standards does the product meet?

It meets Class A2 fire resistance, EN13501-1, M0/M1 Rating, and UL94 flame retardancy standards.

Q:What is the maximum working pressure?

The duct can withstand a working pressure of up to 3000 Pa.

Q:Is the duct flexible and easy to install?

Yes, it can be bent in any direction with a small bending radius and requires no special tools for cutting or connecting.

Q:What materials are used for the insulation?

The insulation wrap consists of fiberglass wool or polyester wrap with thickness options of 25mm or 30mm.

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