air galvanized spiral duct for ductwork

air galvanized duct for ductwork

Quick Details

Type: HVAC Systems
diameter: 76mm~1600mm
thickness of panel material: 0.4~1.2mm
width of panel material: 124~125mm


Product Description

Material:Galvanized Steel Sheet,Stainless Steel Sheet.
Spiral seam adopts double seam but joint,between the seams,having three strengthening reinforcement grooves which more strengthen the strength of spiral duct.
Utilizing high speed automatic cutting equipment,no burr,pipe diameter accurately conform to the standard of SMACNA.
The standard length is 4 meters.



Spiral duct is made of metal material into spiral seam thin wall pipe.
no air leakage
It has the advantages as below:
1. Good product compatibility, high standardization.
2. Good sealing, Small ventilation loss and energy loss is small
3. Small Ventilation resistance, Low noise
4. Good Strength and Rigidity, Saving material
5. It adopt the four connection type of reducing the socket, casing connection, flange connection, band connection.
Easy to install and less joint point.
6. Good corrosion resistance, neutral salt spray test for 240 hours


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.


Packaging & Delivery

Packaging Details
Packed suitable for sea shipment or according to customer requirements.
Lead Time :
about 15 days after receipt of advance payment