Overview
Low-Leakage AHU Ductwork for Reliable Air Distribution
NESF fabricates AHU supply, return, and fresh-air ducting in galvanized steel and stainless steel for commercial and industrial HVAC systems.
Our ductwork is built for low leakage, stable airflow, clean finishes, and long service life, with workmanship aligned to recognized duct-construction practices.
Share your approved duct layout, airflow duty, material, pressure class, and connection details. NESF will propose a fabrication-ready AHU ducting scope.
What We Manufacture
- Supply-air, return-air, and fresh-air ducts.
- Plenums and duct risers.
- Grille and diffuser neck pieces with take-offs.
- Access doors, inspection openings, and flexible-connection provisions.
Materials & Construction Options
- GI ducting for standard commercial and industrial HVAC applications.
- Stainless-steel ducting for hygienic, corrosive, or high-cleanliness areas.
- Construction aligned to applicable air-duct material requirements such as IS 655 where specified.
- Workmanship aligned to recognized SMACNA duct-construction practices where required.
Quality Checks
- Dimensional checks against approved drawings.
- Seam, joint, and flange workmanship verification.
- Fit-up checks for site-friendly installation.
- Surface-finish checks, especially for stainless-steel ducts.
Where Used
- Commercial buildings and utility buildings.
- Clean areas, pharmaceutical, and food facilities.
- Plant HVAC rooms and industrial air-handling layouts.
- Process facilities requiring GI or stainless-steel ducting.
Quotation Inputs
- Approved duct layout, sizes, pressure class, and airflow requirements.
- GI or stainless-steel grade and thickness requirements.
- Joint, flange, access, take-off, and flexible-connection details.
- Inspection, finish, marking, packing, and delivery requirements.
Fabrication Support
Built around your drawings, duty conditions, and inspection needs.
Share specifications, P&ID, MOC, dimensions, and testing requirements. The NESF team can align fabrication, documentation, and delivery around your project.
Enquiry Form
Request a quote for AHU Ducts (GI / SS)
Share your duct layout, sizes, airflow, materials, connections, and finish requirements.