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

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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

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