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Static Pressure Drops
The ESP section must have both an
internal prefilter and 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.
ATS-2
ATS-4
ATS-6
ATS-8
ATS-10
ATS-12
Face Velocity
95%
1,375
2,750
4,125
5,500
6,890
8,250
374 fpm
90%
1,500
3,000
4,500
6,000
7,500
9,000
406 fpm
95%
1,600
3,200
4,800
6,400
8,000
9,600
433 fpm
90%
2,000
4,000
6,000
8,000
10,000
12,000
540 fpm
DOP CFM CAPACITY
ASHRAE CFM CAPACITY
EFFICIENCY
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, 95% 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”
TRION EQUIPMENT LOSSES INCHES H
2
0