Fan Filter Units

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Pureair” Fan Filter Units are self-contained, motorized Supply Air Modules equipped with either HEPA or ULPA filters. Our FFU’s can be used in either horizontal or vertical flow positions, wherever clean air is needed. The clean air fan filter module includes a fan shroud, a fan/motor mount, a centrifugal fan, a fan motor, and a HEPA filter, the fan shroud having an air inlet and two inclined ends, the fan/motor mounted below the air inlet on the fan/motor mount, the centrifugal fan blowing air radially towards the fan shroud, the HEPA filter constituting the air outlet.

Fan Filter unit is generally used to supply purified air to the clean room for manufacturing semiconductor, liquid crystal, etc. The installation space is the system ceiling grid. For a large clean room, the number of required FFU is from several hundred to several thousands.

ProductPureair” Fan Filter Unit
DimensionsAs per drawings enclosed.
MOCGalvanized Iron with PU coated / Stainless Steel – Satin Finish
Pre FilterPureair” Make Pre Filter with Micro Glass Fibre Media of EU – 4 Rating.
Supply HEPA FilterImported Minipleat HEPA Filter efficiency 99.97% Down to 0.3µ H-13 Rating.
Motor Blower AssemblyExternal Rotro Motor with Centrifugal Blower Statically and Dynamically balanced with Suitable Rating and Size.
Air CleanlinessClass ISO – 5 (as per ISO – 14644-1).
Air Flow Rate0.45 ± 0.05mps. or 90 FPM ± 10 FPM
Speed ControlBy Regulator
Noise LevelLess than 67 db on Scale ‘A’ When Ambient sound Level is not Greater than 57 db on Scale ‘A’
Vibration LevelMinimum.

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