Air filtration Overview ■ ■ Duct-filter units Duct pre-filter units KPF are designed to clean the air in air-conditioning and venti - lating systems. Built-in filters are of G3 to F9 class. Duct HEPA filter unit AKF is being used in the network of inlet and outlet ducts used to supply or extract air from the rooms with highest demands regarding air clean - ness. ■ ■ HEPA filter units Wall HEPA filter units (AFH) and ceiling HEPA filter units (AFV-8, AFV-8B, AFV-8C) are used in both, supply and exhaust air ventilation and air-conditioning installa - tions, which require maximal cleanness of the air. Built-in HEPA filters are of E10 to H14 class. Ceiling HEPA filter units types AFV-8G and AFV-8C have a special washer frame for attachment the filter via gel gasket. Ver - sions guarantee absolute sit tightness for the filters up to class U16. Duct filter units KPF AKF Ceiling and wall units with HEPA filters AFH-1 AFV-8 AFV-8G ■ ■ Operating theatre ceiling with HEPA filters Supply ceilings with built-in HEPA filters of E10 to H14 class, are used for clean rooms where air cleanness as well as in - tensive air-exchange is required. They are constructed to be built in false ceilings of operation rooms, intensive care premises and other clean rooms. AFV-8C APF Operating theatre ceiling with HEPA filters ■ ■ Fluff separator and filter grilles Fluff separators LN and Filter grilles FR are applied in air exhaust from clean rooms. They are designed for wall mounting. DPS DSS Fluff separators and filter grilles AFV-8B LN-1 LN-1 FR 2
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