Calculation Table For Dust Collection Efficiency For Each Lossnay Filter - Mitsubishi Electric Lossnay series Technical Manual

3. Calculation Table for Dust Collection Efficiency of Each Lossnay Filter
Measurement
method
Tested
dust
Filter type
Pre-filter NP/400
3.1 Pressure Loss
Effectiveness of the filters used in the Lossnay units are shown below, expressed in terms of collection ratio (%).
100
80
60
40
20
-3 -2 -2
7.9×10 1.2×10 1.6×10 2.4×10
Applicable
model
Commercial Lossnay
(LGH)
Colourimetric method
90% filter
-2 -2 -2
3.9×10 7.9×10
3.1×10 -2
AFI ASHRAE
Gravitational Colorimetric
method method
Compound Atomspheric
dust dust
82% 8% - 12%
-1 -1 -1 -1
1.1×10 1.6×10 2.4×10 3.9×10
3.1×10 -1
Particle diameter (mil)
CHAPTER 8
Application
Protection of heat recovery element
NP/400
-1
7.9×10 1.2 1.6
•
Filters
2.4 3.1 3.9
U-77