Type:Double-skin Air Handling Unit (draw-through / blow-through) with thermal break profile construction.
Casing:25–50 mm thick PUF / Rockwool insulated panels; outer skin pre-coated GI / Aluminum; inner skin GI or SS as per hygiene requirement.
Frame:Extruded aluminum hollow profile frame with nylon or aluminum corner joints for rigidity and corrosion resistance.
Fan Section:DIDW (Double Inlet Double Width) backward-curved centrifugal fan, statically and dynamically balanced.
Motor & Drive:TEFC motor, suitable for 415 V, 3 Ph, 50 Hz supply; belt-driven with adjustable motor base and variable pulley (or direct drive EC fan optional).
Filter Section:Pre-filter (G4, 90% efficiency) + Fine Filter (F7/F8) as required; HEPA provision for clean areas if specified.
Cooling/Heating Coil:Copper tubes with aluminum fins; tested at 21 kg/cm² pressure; drain pan SS 304 double-slope type.
Access & Inspection:Hinged access doors with gasket sealing; internal lighting and view glass for maintenance.
Base Frame:Heavy-duty galvanized / epoxy-painted steel base with vibration isolators or spring mounts.
Testing & Balancing:Factory-tested for airflow, static pressure, fan power, vibration, and leakage; site balancing as per TAB standards.
