Spiral Flat Oval Duct
Category: Air Duct
Overview
Spiral flat-oval duct combines the airflow efficiency of round duct with the space-saving profile of a flat cross-section. The spiral lock-seam construction is formed from galvanized steel coil, producing a duct that fits within tight ceiling plenums while maintaining low turbulence and minimal pressure drop. Ideal for architectural spaces where exposed duct aesthetics are desired.
Technical Specifications
| Base Material | Galvanized Steel G-90, ASTM A-653 |
| Thickness | 0.50 – 1.2 mm |
| Minor Axis | 100 – 400 mm |
| Major Axis | Up to 2,000 mm |
| Length | 3.0 m standard |
| Seam | Spiral lock-seam |
| Max Temperature | 120°C |
| Standard | SMACNA HVAC Duct Construction Standards |
Applications
- Low-clearance ceiling plenums
- office buildings
- airports
- shopping malls
- data centers
- exposed architectural duct installations
Key Features
- Space-saving flat profile reduces vertical clearance requirement
- low pressure drop comparable to round duct
- aesthetic exposed-ceiling option
- easy installation with standard couplings
For technical inquiries & custom orders: supakorn@stico.co.th | Tel: 02-035-9589
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