5
213906-00 Rev. 3A 6/14
PRESSURE DROP DATA
Pressure Drop
Flow Rate
(CFM
Velocity
(FPM)
dP
(mm H2O)
Pressure Drop
(“H2O)
% of Rated
Airflow
Dust Fed
Pressure Drop
0
0
0.00
0.000
0%
0.00
0.181
427
123
0.70
0.028
25%
21.50
0.221
854
246
1.65
0.065
50%
73.30
0.386
1281
369
2.80
0.110
75%
106.30
0.591
1708
492
4.60
0.181
100%
132.70
0.795
2135
615
6.95
0.274
125%
152.70
1.000
DP ("H2O)
0.181in.
0.221in.
0.386in.
0.591in.
0.795in.
1.000in.
*CME
Size Range
(mm)
Fractional Efficiency (%)
0.3-0.4
15.7
15.1
21.2
26.3
34.2
38.5
15.1
0.4-0.55
19.9
19.5
25.9
36.3
42.9
51.2
19.5
0.55-0.7
28.0
30.6
39.8
52.3
57.6
65.8
28.6
0.7-1.0
42.0
45.3
52.6
65.9
71.2
79.3
43.0
1.0-1.3
53.4
57.8
63.7
74.8
81.4
86.6
53.4
1.3-1.6
61.5
65.9
72.0
81.5
85.9
91.3
61.5
1.6-2.2
69.1
74.8
80.3
86.9
90.9
95.0
69.1
2.2-3.0
77.0
82.9
88.2
93.2
95.0
97.2
77.0
3.0-4.0
81.7
88.0
92.2
95.7
96.8
98.2
81.7
4.0-5.5
85.1
90.8
95.1
97.0
97.8
99.0
85.1
5.5-7.0
86.5
92.6
96.5
98.0
98.3
99.5
86.5
7.0-10.0
87.2
93.5
97.2
98.6
99.0
99.8
87.2
*Test data performed on a 20x25x4 MERV 11 filter / 1708 CFM / 492 FPM, by LMS technologies
