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Niifisk exhaust filter specifications
Filter casing
Filter material Filter cartridge diameter Filter cartridge height Filter surface area Maximum working temperature
Aluminum Fiberglass 130mm (6 1/8") 76 mm (3") 3200 cm* (3.4 ft.*) 90* C. (194* F.)
Filtration efficiency In percent
Filtration efficiency particle aize
according to:
0.6-o.e nm
Mttah Standard HHiU
sodium flame teat
MN 24194teet aereaol 2
radiosctrvely indicated
atmospherical aerosol, particle size < 0.3/m
MNM1ISleet aaraaei 1
liquid paraffin cloud particle size 0.3-0.5 pm
US Military Standard 292
OOP
100
99.099 99.99 99.97 99.97
Dust particle size is measured in micrometers ||im, which equals 1/1000mm). Human hair is 60-80pm thick (60-60/1000mm). Niifisk exhaust filters retain 100% of dust particles 1pm (1/1000mm) and 69.99% of particles down to 0.3pm in size. The following table shows the particle size of various dusts:
the exhaust filter is installed or removed by turning clockwise or counterclockwise. The cartridge is replaceable.
Niifisk vacuum cleaners which can be fitted with the exhaust filter.
Air flaw max. litre per second
Cantalner dual capacity with paper bag without paper bag
FMar surface paper bag cm* doth finer cm* micro finer cm*' exhaust finer cm*
OA 70
26
4 7
2000 1650
700 3200
&
QA71 26
GA72 60
15 20 46
3600 1850
700 3200
6600 1400 6400
8005 1592
@5)-
"'s GA73
63
69
14500 2100 9600
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