Stadler Form Roger - Page 66

TR-KKL-2020-102 dated 1 December 2020
Product Test on a Pleated Combi Filter Element based DIN 71460-1:2006
Stadler Form, Pleated Combi Filter Element
Page 5 of 6
Systems
3 Test results
Test conditions:
• Air temperature: 21 °C
• Relative air humidity: 48 %
• Air pressure (ambient): 1028 hPa
• Air volume flow: 290 m³/h
• Dust concentration: 75 ± 3,75 mg/m³
• Repeat measurements: 3
• Duration of measurement: 1 min each measurement
• Initial differential pressure: 79 Pa
Table 2: Fractional efficiency of the clean filter
X
m
Fractional efficiency
X
m
Fractional efficiency
µm
%
µm
%
0,255
100,00
2,212
100,00
0,295
99,07
2,555
100,00
0,341
99,53
2,950
100,00
0,393
100,00
3,407
100,00
0,454
100,00
3,934
100,00
0,525
100,00
4,543
100,00
0,606
100,00
5,247
100,00
0,700
100,00
6,059
100,00
0,808
100,00
6,996
100,00
0,933
100,00
8,079
100,00
1,077
100,00
9,330
100,00
1,244
99,05
10,774
100,00
1,437
100,00
12,442
100,00
1,659
100,00
14,367
100,00
1,916
100,00
16,591
100,00