Plenum Integrated Filter Fan: PIFF Datasheet
The Plenum Integrated Filter Fan (PIFF-COMPACT) is a fan filter unit with integrated return air and cooling coil. It is used to supply turbulent mixed air-flow while reducing the concentration of particles and the temperature inside of clean environments e.g. pharmaceutical laboratories and clean rooms. Depending on the coverage of the clean room ceiling, the classes 5.0 to 8.0 according to DIN EN ISO 14644-1 as well as B, C and D according to EC Guide “GMP” can be achieved.
The PIFF-COMPACT is installed into the existing ceiling grid by an installation frame.
Compared to standard air supply systems with centralized air handing unit, the supply & return air ducts on top of the clean room ceiling can be eliminated, which results in considerable savings of installation space and in a reduction of design expenditures.
The unit is working in recirculation mode by default; if needed, supply with make up air can be engaged up to 500 m3/h to keep up the over-pressurization of the clean room as well as to maintain the supply with fresh air.
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