Engineered Solutions for Clean Air
There are certain things you expect
from an air purification system.
A perfect fit for your specific application...effectiveness...
availability. For even more value, add a variety of applications
and simplicity of operation. Back all these features up with
substantial product and application expertise, superb technical
services and unconditional support anywhere, anytime, and
you’ve got the first name in air purification systems: Trion.
Since 1947, Trion has combined the leading-edge technology
you expect with the value-added services you want to provide
unique, effective air purification solutions for numerous applications in industrial and commercial markets.
Numerous applications. One solution.
When you need one system for cleaning numerous applications,
such as kitchen grease and smoke, oil mist, and contaminants
from other industrial processes, Trion has the kitchen exhaust,
commercial, and large industrial solutions just for you.
Atmospheric contaminants may be either liquids or solids, in
the form of oil, water, grease, smoke, fumes, dusts or similar
particulate including gaseous and vaporous odors. The Model
75 readily adapts to the various air collection methods utilized
to recover contaminants for collection. Air inlet and outlet
flanges on the modules include predrilled holes to connect
adjoining duct work. Module support rails are optional for
multiple mounting methods.
With your unique needs in mind, the Trion Model 75 utilizes
five individual sections, each with specific air treatment tasks
that are pre-selected, then factory assembled to form a
compact, inline, drop-in unit. The modules and their basic
functions include:
MODULE NAME NORMAL FUNCTION
Prefilter/Impinger Mist Eliminator/Grease Extraction
ESP-Electrostatic High-efficiency Primary or
Precipitator Secondary Filtering Device
Media Primary, Secondary or
Backup Filter
Adsorber Odor Control and Removal
Blower System Air Mover
Characteristics of Particles and Particle Disperoids
AIRBORNE PARTICLE CHART
PARTICLE SIZE IN MICRONS 0.01 0.10
coal dust
cement dust
atmospheric dust
dust & fumes
tobacco smoke
oil smoke
cooking smoke
contact sulfuric mist
zinc oxide fumes
pneumatic nozzle drops
electrostatic precipitators
high efficiency filters
liquid scrubbers
mechanical separators
cleaning equipment particles
common air filters
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10
100
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Design Efficiencies & Operational Reliability
Feature/Benefits
• Customized for specific applications
• Effective on airborne solids, liquids
and odors
• Available in various capacity ranges
• Factory assembled, built-up construction
• Integral automatic cleaning system
• Optional fire suppression system
• ETL and UL listed
• Designed for: simplified installation,
ease in service, NFPA 96 standards
Model 75 Applications
Oil Mist:
Machine Shops
Cold Heading
Screw Machines
Foundry
Presses
Machining Centers
Heat Treating
Tenter Frames
Smoke:
Welding
Presses/Forging
Curing
Rubber
Manufacturing
Plasticisers
Heat Treating
Kitchen Exhaust:
Grease
Smoke
Odors
Wood-fired
Cookers
HVAC:
Clean Rooms
Return Air
Outside/Makeup Air
Lounges
Bars
Smoking Rooms
Casinos
Indoor Gun Ranges
• Trion Quality The same high quality that Trion provides on ALL of the US Navy submarine fleet
since 1947 as a sole supplier of air cleaning equipment to the world’s navies.
• NFPA Qualified Designed to NFPA 96 standards for kitchen exhaust.
• ETL Listed ETL approved to UL standard 867.
• Sectional Design Built-up design allows units to be tailored to your exact requirements.
• Smoke and Odor Control Components effectively remove both liquid and solid particulate as well as gas and odor.
• Complete System Design One central system to effectively treat virtually any application for kitchen or industrial exhaust air.
• High Efficiency Cleaning Up to 99% efficient, per DOP or ASHRAE test methods.
• Spiked Ionizer Design Eliminates common wire breakage and replacement, as seen in wire and other ionizer cell designs.
• Heavy Duty Cell Design The most durable and efficient cell design on the market insures long term performance and reliability.
• Automatic Cleaning Programmable Logic Controller (PLC) automates the cleaning process which reduces
maintenance costs and insures efficient air cleaning at all times.
• Simple to Service Designed for easy serviceability from either side of cabinet, as specified.
• Optional Fire Suppression Available on all systems to meet your specific requirements.
• Ease of Installation System design makes installation simple and requires no field assembly. Just attach your
ductwork, electrical connection and plumbing, and it’s done.
EAC with
Conditioning
Typical System Arrangements
The Model 75 readily adapts to the
various air collection methods.
Fugitive Contaminate - Multiple Overhead
Discharge through Cental Trunk Line
Multiple Source Captured Contaminate
Hooded to Main Trunk Line
Return
Air
Make-up
Air
Prefilters
Tempering
Coils
Central System
Coils
System
Blower
Clean
Conditional
Air
Fugitive Contaminate - Low Column
Ducted Discharge
Multiple Source Captured Contaminate
Hooded to Common Mixing Plenum
Kitchen Exhaust
(Weatherproof)
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Revolutionary Technology
for the New Millennium
During operation, the contaminated air to be cleaned passes
across Trion’s unique spiked ionizer blades which are supported between flat grounded electrodes. Revolutionary to the
industry, the blades are made of stainless steel that will not
rust or break, thus eliminating costly maintenance time and
replacement costs.
The DC voltage supplied to the blades creates a high intensity
field where the particulate matter in the air becomes electrically charged. The charged particles then pass into a collector
plate section made up of a series of equally spaced parallel
plates. Each alternate plate is charged with the same polarity
as the particles, which repel, while the interleaving plates are
grounded, which attract and collect.
Periodically, depending on the type and amount, the contaminate is washed into the cabinet drain basin by an
automatic activated integral washing system that is located
on both the upstream and downstream sides of the ionizingcollecting cell(s).
A programmable logic controller (PLC) and dual solid-state
Pulse Width Modulated (PWM) high voltage DC power supply
are housed in a remote-mounted NEMA 12 enclosure.
The PLC controls the system functions of wash, fire suppression, and fan on/off. A 7-day clock is standard. The PWM
power supply, which energizes the ionizing-collecting cells,
comes standard with LED indicator lights. Optional door-mounted
meters, which aid in determining cell operating status, are
also available.
In applications requiring extremely high collection efficiency
and low resistance to air flow, two or three electrostatic sections may be placed inline to create a double or
triple pass unit.
coating to assure long life. Cabinet finish is completed with
a durable industrial grade semi-gloss, baked-on enamel no
less than 3 mil thick. All doors are gasketed to prevent air
and water leakage. Finally, the housing is furnished completely
assembled for easy shipment and installation.
Prefilter/Impinger
The prefilter/impinger track is a standard integral part of the
Model 75 ESP cabinet. A 2” rail is positioned upstream of the
ESP collector cell to accommodate a standard 40% free area
perforated panel for even air distribution, a metal mesh prefilter
for light oil mist, or an impinger for more heavy, fluid or semifluid particulate matter. The particulate matter may range in
viscosities from that of water to relatively heavy greases. In
heavy loading applications, the liquid particles strike the
impinger, coalesce into droplets and then flow to the drain pan
below . If the particles are of a high viscosity nature that do not
readily flow into the drain pan, they are periodically flushed
down the drain with an optional bolt on collar containing an
integral wash system located upstream of the impinger . A similar track, located downstream of the unit, is designed to house
a perforated panel and functions as an air distribution device as
well as a safety screen like its upstream counterpart.
The Electrostatic Air Cleaner Section
Electrostatic Air Cleaner Section enables extremely small
particulate matter , “The Fines,” to be removed from an air stream
with relatively no resistance to air flow . This is due to the open
area of the collecting elements. The low resistance is maintained from the start to the completion of the collection cycle.
The unit operates in the higher efficiency collection range,
upward of 95% DOP Method, on particles ranging in size from
10 Microns down to 0.01 Microns in size.
Durable, compact cabinetry
When you invest in a Trion Model 75 you want it not only to fit
your unique needs, but your individual space as well.
And you want it to last. Trion housings are constructed using
16-gauge zinc-coated steel. Then all welds and the finished
area of welds are treated with a corrosion and rust-inhibiting
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Standard Blower Package
Side Access/Final Filter Section
The TEFC energy efficient blower is designed for horizontal air
flow and mates with the air purification system to provide a
uniform distribution of air . The blower wheel is steel, backward
inclined, welded construction.
Optional UpBlast Blower
The NFP A 96 UpBlast fan is designed to mate with the air purification system and provide uniform air distribution. It is a centrifugal
UpBlast exhaust fan, with drain, in compliance with UL 762 for
kitchen exhaust applications containing grease-laden air . The blower
wheel is steel, backward inclined, welded construction.
Side Access Filter Housing
The flexibility of the Media section provides an efficient means
for high efficiency filtration, as a prefilter or after filter, depending on your requirement. This section is designed to house a
variety of mechanical filters that may be required in your application. The housing allows for various filter combinations that
are tailored to your specific needs, such as HEP As, 95% bags,
mini-pleated cartridges or other media. The heavy-guage dualaccess housings are supplied with industrial-grade hardware.
Unlike particulate filters, odors in the form of undesirable gases
and vapors are most commonly removed from the air stream
by the process of adsorption that is enhanced by multifaceted porous surfaces of certain materials. Filter trays of
activated carbon or optional potassium permanganate
pellets effectively facilitate the adsorption of these odors and
gaseous contaminates.
Principle of Operation
Dirty Air Pre-Filter Ionizer Collector
Electronic Air Cleaning
Clean Air
AIR VELOCITY FEET PER MINUTE
Efficiency-Curves 1, 2 and 3
1. Overall DOP (Dioctylphthalate) efficiency
using 10 Stage Cascade Impactor
2. ASHRAE Standard 52 Dust Spot Test
Method Atmospheric Air
3. 0.3 Micron DOP efficiency using 10
Stage Cascade Impactor
Pressure Drop Across Unit-Curves 4, 5 and 6
4. Cell with 40% open perforated plate front and rear
5. Cell with 1”metal mesh filter front and rear
6. Cell only
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Model Selection Guidelines
8
B
6.25
1
.50
E
G
32.00
32.00
B
6.25
.50
C
G
1
BAG HOUSIN
FLANG
ARBON HOUSIN
FLANGE
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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.
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Providing Clean, Comfortable & Safe IAQ
Solutions for More Than Half a Century
Since 1947, Trion has manufactured quality products for the
commercial, industrial, residential, and military markets. All T rion
products are engineered specifically to provide a clean, safe and
comfortable indoor air environment. Trion’s success has been
driven by the dependable performance and superior quality of
our products, as well as by our excellent customer service.
Trion’s technical expertise allows us to create innovative
products and cost-effective, environmentally sound solutions that
solve the air cleaning problems of our worldwide customer base.
Our products can be found in homes, offices, factories, clubs,
hospitals and sea vessels.
Headquartered in Sanford, North Carolina, T rion manufactures
products in a dedicated 263,000 square-foot plant. Trion UK’s
European, Middle East and Far East operations are based in
Andover, Hampshire in the United Kingdom.
Trion Deutschland GmbH, formed in 1984, is responsible for
serving markets in Central and Eastern Europe.
In 1996, Trion purchased Herrmidifier, a well-known
manufacturer of humidification products for use in a variety of
commercial, residential and industrial settings.
T rion is part of Fedders Indoor Air Quality, which opened its first
Asian manufacturing facility in Suzhou, China, in August 2002.
Today, and in the future, Trion will continue to develop
innovative air cleaning solutions that meet the demands of our
customers throughout the world .
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Headquartered in Sanford, North Carolina
Leading Technology for Cleaner Exhaust Air Since 1947
Air Purification Systems
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