How do you ensure product quality?

We perform 100% inspection on finished products, including visual and functional checks, and maintain raw material traceability.

What are the main applications for these ducts?

They are ideal for residential and commercial ventilation, air conditioning, supply, return, and exhaust applications.

400mm Metal Gi Circular HVAC Spiral Ductwork Pipe for Supply Air

Name: 400mm Metal Gi Circular HVAC Spiral Ductwork Pipe for Supply Air
Brand: GFI HVAC LIMITED
SKU: 2211927905

Fujian, ChinaGFI HVAC LIMITED

US$2.00-25.00

100 Meters

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Material

Galvanized Sheet

Usage

for Air Conditioner, Industrial

Application

Ventilation

Shape

Round

Performance

Corrosion

Certification

ISO, CE

Other Material

201 304 Stainless Steel

Gi Spiral Duct Material Thickness

0.5-1.2mm

Stainless Steel Spiral Ducts Thickness

0.5-0.8mm

Fittings

End Cap, Elbow, Reducer Connector, 3 Way, 4 Way

Transport Package

Shipping Is Usually by Sea LCL Shipment or FCL Shi

Specification

100mm-1250mm diameter, length customization

Origin

Fujian, China

HS Code

7326909000

Key features

Superior Structural Strength: Spiral design offers higher strength and rigidity compared to rectangular ducts.

Minimal Air Leakage: Tightly sealed construction ensures minimal air leakage and optimal system efficiency.

Smooth Airflow Design: SR style features smooth interior surface for minimal friction loss and optimal airflow.

Corrosion Resistance: Available in galvanized and stainless steel for excellent durability and corrosion resistance.

Wide Size Range: Diameters from 100mm to 1250mm with thickness options from 0.5mm to 1.2mm.

Full Customization: Supports customized sizes, shapes, materials, and fittings for specific project needs.

Fast Delivery: Peak and off-peak season lead times are both within 15 workdays.

100% Quality Inspection: All finished products undergo visual and functional inspection before packing.

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: ≤1.72h

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:What materials are available for the spiral ducts?

We primarily manufacture spiral ducts from galvanized steel and stainless steel (201 and 304 grades).

Q:What is the range of diameters and thicknesses?

Diameters range from 100mm to 1250mm, with thickness options from 0.5mm to 1.2mm depending on the size.

Q:Do you offer customized sizes and shapes?

Yes, we provide full customization for sizes, shapes, and connection options to meet specific project requirements.

Q:What is the lead time for orders?

The lead time is within 15 workdays for both peak and off-peak seasons.

Q:What fittings are available for the ducts?

We supply various fittings including End Caps, Elbows, Reducers, Connectors, 3-Way, and 4-Way joints.

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