galvanized steel circular air conditioning spiral duct

Pipe for air duct

Quick Details

Type: HVAC Systems
Name: Air duct
Material: Galvanized steel
Thinckness: 0.5-1.2mm
Usage: HVAC system, Marine construction
Size: Clients Request
OEM: available
Shape: Round
Feature: long service life


Product Description

Description: Round air duct is made of galvanized steel sheet, or stainless steel. Spiral duct can be stronger than circular duct on the basis of same material.

High quality on material, long service life
Saving material.
Least resistance, good tightness
Joint seaming.
Linking by high quality steel flange.
Seal strip is used on the connector.
Less air leakage, reduce energy consumption, save operating cost.

It is mainly applied to ventilation, purification, smoke prevention and exhaustion system in open or widen space.



1.Advanced mold equipment, professional design and assembly line operation make sure high quality and efficiency, save materials and reduce the investment on projects.
2.Complete accessories production and distribution make it easier to install.
3.Duct’s size and appearance can be customized according to customer request.
4.OEM is available.



Sheet Thickness

Diameter of Duct (mm)Thickness



2000-4000As required

Flange Specification

Length of Duct (mm)BoltSteel Flange



Our Service

Pre-sale Service
1.Sample can be offered with sample charge and courier fee by buyer's side.
2. We have full stock, and can deliver within short time.Many styles for your choices.
3.OEM and ODM order are accepted, Any kind of logo printing or design are available.
4.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
5.All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
After-sale Service
1. We are very glad that customer give us some suggestion for price and products.
2. If any question, please contact with us freely by E-mail or Telephone.

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