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Air Systems Divisions

Air Handling Unit - Main Parts

The Base FrameThe Base Frame

The each module of AHU is mounted on a continuous beam of galvanised steel channel held together with die cast aluminium base corners with lifting holes for easy handling. Extruded aluminium alloy base is also available as option.


Frame WorkFrame Work

The modular framework is made of anticorrosive extruded aluminium profile. Different types of profiles are available to choose from.


The Coil SectionThe Coil Section

We offer a wide range of chilled water, direct expansion, hot water & steam coils upto 12 rows deep. The coils are computer selected to obtain optimum psychometric efficiency 2 with low air & water pressure drops. Each coil is pressure tested at 21 kg / cm under water for trouble free operations. Coils with anticorrosive aluminium fins, copper fins, copper header with MS adopter and MS header is also available as option.


The Drain PanThe Drain Pan

The unique design aluminium construction drain-pan with multi slope ensures complete drainage of the condensate & prevents growth of microbes during off or heating cycles.



The PanelThe Panel

Standard 25mm / 43 mm panels are made of prepainted / precoated / GSS Sheets injected with environment friendly PUF of uniform density of 40 3 +2 kg/m . The panels are fixed to the frame work using special imported self drilling & tapping screws. To ensure air tight construction, self sticking gaskets are provided between the panel & frame. For specialized applications food grade gaskets are provided. Choice of Al / SS304 / Prepainted sheet as inner skin.


Hinges & LocksHinges & Locks

All access doors & panels are provided with hinges & locks made of self extinguishing nylon. The access panels are fitted to the panel using multifinned gasket which provide perfect air tightness & can be removed easily using hand tools. Food grade gasket is also available.


The Fan & Motor ModuleThe Fan & Motor Module

High energy efficient forward / backward curved aerofoil AMCA certified centrifugal fans are available for all applications. The fan & motor is mounted on a common channel fitted with anti-vibration isolators to avoid the vibration transfer to main casing. The fan is connected to the casing using self extinguishing fabric flexible connection. Direct drive plenum fan is also available for special applications. The limit switch is also provided on fan door for human safety.


The Filter SectionThe Filter Section

Fully sealed filter sectons are designed for easy installtion & removal. A complete range of filters with various efficiencies and media are available as per requirements. Pressure measurement ports can be provided across fine filters as option.


The Air Mixing SectionThe Air Mixing Section

Fresh air & return air can be mixed at the desired rate with dampers that are specially designed for maximum air efficiency. Motorized / Manual damper in extruded aluminium aerofoil design / GSS / SS construction is available. A combination of 2 way or 3 way mixing chamber is also available.



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