Pre-filter roll
Application: ≥5μm, Filter dust , (especially used in the train or the
subway, where the place has air-conditioner), pre-filter through air
filter program
Type: supply pads or rolls size
Media: synthetic fiber with gradual density, inlet side is blue.
Washable: about 4-5 times
EN779 class: G3
Average arrestance:88%（ASHRAE52.1-1992）
EUROVENT4/5 class: EU3
DIN53438 Non-flammability Standard: F1
Final resistance: (suggested) 150Pa-250Pa
Max. Dust holding capacity: 520g/㎡
Temperature resistance: 100℃
|
Type
|
Dimensions
|
Rated air velocity(m/s)
|
Initial pressure drop (Pa)
|
Rated air flow(m2/h)
|
|
Length(m)
|
Width(m)
|
Thickness(mm)
|
|
Rolls
|
20
|
1/2
|
15 ± 2
|
1.5
|
20
|
5400
|
Chinese
Deutsch
Espanol
Francais
Italiano
Portugues
Japanese
Korean
Arabic
Russian