Page 10 - Vira Filter Digital Catalouge
P. 10
Glass Fiber Roll Filters
DESCRIPTION
Randomly arranged fine glass fibers with increasing density
in direction to clean air side standard air intake side green/clean
air side white.
APPLICATIONS
Wet particulate arrestance in pre-filtration, varnishing and paint
spray applications.
G3 50 G4
Pressure Drop (pa) 40 Pressure Drop (pa) 40
50
30
30
20
20
10
0
0 10
0 0.3 0.6 0.9 1.2 1.5 0 0.3 0.6 0.9 1.2 1.5
Face Velocity (m/s) Face Velocity (m/s)
EN 779-2012 G3 G4
Filter Class
ISO 16890-COARSE >40% >60%
EN 779-2012 80% 90%
Average Efficiency
ISO 16890-COARSE >40% >60%
Relative H umidity 100%
Advisable Cross Speed 1,5 m/sn
EN 779-2012 250 Pa.
Rec. Final Pres. Drop Acc.
ISO 16890 200 Pa.
Flame Resistance F1 DIN 53438
Dust Average Average
Dust
Average
Holding
Filter Filter Lenght Thickness Temp Holding Filter Arrestance Efficiency
Efficiency
Capacity
Class Media (mm) (mm) ( C) Capacity Stage (%) (%)
(%)
2 2
(gr/m )
(gr/m )
G3-G4 80-90
Glass Fiber 90
200000 1
50-100 70 400-450
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