Transcription of Air filter selection chart
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Air filter selection chart
Air filter selection chartPerformanceratingAverage arrestanceArrestance (Am)No. 4 test dustMaximum final resistance PaG1G2G3G4F5F6F7F8F9Am < 6525025025025045045045045045040 = Em < 60<65 = Am < 80<Average arrestanceEffieciency (Em)No. 1 test dustFilter performance ratings to Australian Standard = Am < 90<90 = Am<60 = Em < 80<80 = Em < 90<95 = Em<90 = Em < 95< filter typesType 1: DryType 2: Viscous impingement Adhesive (gel) coatedType 3: Metal viscous, MVO or honeycomb grease typeType 4: Electrostatic precipitatorsFilter classesClass A: Fully disposable, entire filter Disposable panel filtersClass B: Replaceable media reusable frame FT3 bag filters C: Reusable frame and media, after cleaning Washable panels or bag filtersClass D.
ULPA AS1324 test dusts approximate micron sizes No. I ( methylene blue) - mass median diameter of .65 microns No.4 5% Cotton fibres 23% Mollocco Black 0.8 micron 72% Air Cleaner fibres 39% 0 to 5 micron 18% 5 to 10 micron 16% 10 to 20 micron 18% 20 to 40 micron 9% 40 to 80 micron Sizes of particles
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