GI Plenum Box

Product Description

The GI Plenum Box (Mixing Box) is a fabricated galvanized iron enclosure designed to provide uniform air distribution and efficient mixing of conditioned air before it enters diffusers or grilles. It minimizes air turbulence, reduces pressure loss, and ensures balanced airflow in HVAC systems. Plenum boxes can also accommodate volume control dampers, insulation, and multiple duct connections to suit various air distribution requirements.

Techinical Data & Material Construction Details

Parameter Specification
Material Galvanized Iron (GI) Sheet
Sheet Thickness 0.6 mm, 0.8 mm, or 1 mm (depending on size)
Construction Folded and reinforced with lock-form joints
Finish Pre-Galvanized (GI) Finish
Internal Insulation (Optional) 13 mm / 25 mm Closed Cell Nitrile Rubber or Glass Wool with Aluminium Foil Facing
Air Inlet Connection Circular Spigot
Air Outlet Suitable for Diffusers, Grilles, Slot Diffusers, Jet Diffusers, etc.
Inlet Position Side Entry / Top Entry
Spigot Diameter 100, 150, 200, 250, 300, 350, 400 mm as Standard
Suspension Brackets GI/Galvanized brackets for hanging are fixed to the top of the plenum.
Other Finish Powder Coating Finish as Optional