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Trion Equipment Losses Inches H20
ESP Section
40% open perforated prefilter or after filter
Metal mesh prefilter or after filter
2” impinger
Media Section
4” pleated prefilter, 40% efficient
10 pocket bag, 65% efficient
HEPA, 99.97% efficient
Adsorber Section
1” trays
2” trays
4” modules
Fan Transition
0.14”
0.15”
0.10”
1.25”
0.11”
Initial Final
0.17” - 1.00”
0.40” - 1.20”
1.00” - 1.50”
0.28”
0.26”
0.28”
0.36”
0.11”
The ESP section must have both an internal prefilter and an
after filter, select and add for each.
External losses for ductwork, exhaust hoods, manufacturing
equipment with associated entry losses, kitchen hoods, etc.,
must be added with the above Trion internal equipment losses
to calculate total fan static pressure required.