Precisionaire Alpha 2000 User Manual

®
Alpha 2000  
F O R E M O S T I N A I R F I LT R AT I O N  
High Capacity HEPA Filters  
Bulletin PB1402-0107  
ed at conventional 250 fpm velocities during the life  
of the filters. The Alpha 2000 99.97% and 99.99%  
high capacity 24” X 24” X 11.5” filter has a clean  
pressure drop of 1.0 inch w.g. at 1500 cfm, com-  
pared to standard Alpha Cell filters with a clean  
pressure drop of 1.50 inch w.g. at the same air flow.  
High Capacity Design  
The Alpha 2000 High Capacity HEPA filter is avail-  
able in a nominal 12” depth configuration. It is  
designed for optimum performance and low operat-  
ing costs in both new and replacement systems.  
The Alpha 2000 saves space, energy, and material  
and labor costs with 40% more media area than the  
standard capacity Alpha Cell filter.  
Save Replacement Material and Labor  
Costs  
Savings are significant with high capacity Alpha  
2000 filters. They operate at lower velocities and  
provide life cycles up to three times the life of stan-  
dard capacity filters. Savings are achieved in  
replacement materials and labor costs as a result of  
fewer filters.  
Save Space  
Alpha 2000 HEPA filters operate at 500 fpm (2000  
cfm for a 24” x 24” size) at 1.35 inch w.g. clean  
pressure drop versus conventional Alpha Cell filters  
that operate at 250 fpm and .80 inch w.g. clean  
pressure drop.  
Alpha 2000 Pressure Drop vs. Air Velocity  
Construction  
2.20  
2.00  
1.80  
A popular construction option consists of 16 ga.  
galvaneal frames and moisture-resistant microfine  
wet-laid fiberglass media folded over hemmed-  
edge low amplitude corrugated aluminum separa-  
tors. The filter pack is bonded to the frame by a fire-  
retardant urethane elastomer to provide a rigid  
leak-free assembly.  
HEPA  
1.60  
ULPA  
1.40  
1.20  
1.00  
0.80  
0.60  
0.40  
0.20  
0.00  
Save Energy  
Alpha 2000 filters in a conventional HEPA filter  
0
125  
250  
375  
500  
625  
Air Velocity (fpm)  
bank impose a lighter load on the fan when operat-  
Important Features  
• Efficiencies are 99.97% and 99.99% on 0.30  
and 99.9995% on 0.12 micrometer particles.  
• High capacity Alpha 2000 filters can reduce the  
filter bank size  
• Corrugated aluminum separators stabilize the  
moisture-resistant media pack (separator  
style)  
• Available as a separatorless media filter with a  
self-supporting media pack (*Pureform)  
• Available in a variety of frame materials in  
gasket or fluid seal design.  
Flanders Filters - Foremost in Air Filtration  
Toll Free: 1-800-637-2803  
1
Frame Materials: Alpha 2000 Filters are available in a variety of wood and metal frame materials such as parti-  
cle board, plywood, galvanized steel and stainless steel.  
Gasket and Fluid Seal: The standard gasket seal is 0.75” x 0.25” neoprene for installation on either the  
upstream, downstream or both sides of the filter. The standard Fluid Seal is Flanders Blu-Jel® Seal which is a  
two - part silicone material suitable for temperatures up to 390°F.  
Faceguards (Optional): Faceguards are used to protect the filter media from mechanical damage. The typical  
faceguard material is expanded aluminized steel. Galvanized 4 x 4 mesh welded wire and Type 304 stain-  
less steel are also available.  
Underwriters Laboratories Qualification: Alpha 2000 Filters are either UL900 Class 1 or Class 2 listed depending  
on materials of construction.  
UL 900 Class 1 — Flanders HEPA Filters are UL 900 Class 1 rated except those filters manufactured with non-  
fire-retardant wood frames. Upon request, the filter will have a stamp indicating compliance with UL 900 Class  
1.  
UL 586 — UL 586 is typically required for Nuclear Grade HEPA Filters. Many of the Flanders non-Nuclear HEPA  
Filters meet the requirements of UL 586. To be listed under UL 586, filters must be submitted to Underwriters  
Laboratories for extensive testing including spot flame and environmental exposure to heated air. Upon request,  
a numbered UL 586 label certifying that the filter meets Standard 586 can be applied to the filter (maximum size  
is 24” x 30”).  
Banks: Alpha Frames are designed for Alpha 2000 filters in built-up filter banks. Each filter is secured in the  
frame with four bolt-type fasteners that either compress the gasket or press the knife edge into the gel in the fil-  
ter channel to maintain a leak-tight seal.  
Surelock HEPA Filter Housings are recommended for side-access applications. The filters are sealed in place  
with either spring-loaded swing arm assemblies or a locking mechanism. The swing arm assemblies or locking  
mechanism either compress the gasket or press the knife edge into the gel in the filter channel to maintain a  
leak-tight seal.  
3
Alpha 2000 HEPA Filter Dimensions and Capacities  
Filter Depth  
(inches)  
Filter Size and Frame Actual Face Size  
CFM Capacity at Clean  
Pressure Drop, Inches w.g.  
Weight  
(lbs)  
Depth Designator  
(Inches  
.95  
1.35  
1.75  
11-1/2  
GG-F  
GC-F  
24x24  
24x12  
1500  
650  
2000  
920  
2500  
1180  
38  
26  
YY-F  
YUF  
23-3/8x23-3/8  
23-3/8x11-3/8  
1350  
610  
1900  
865  
2450  
1150  
37  
25  
GN-F  
24x30  
12x12  
1750  
290  
2550  
430  
3250  
550  
45  
14  
CC-F`  
NOTE: The pressure drop for fluid seal (Separator or Pureform) and scan tested Pureform  
filters will be approximately 15% higher.  
Guide Specifications  
1.0 General  
2.3 (A 40-durometer closed-cell neoprene gasket)  
(Silicone jel in a channel) shall be provided on  
1.1 Alpha 2000 HEPA filters shall be extended media  
(separator type) (Pureform separatorless type)  
filters as manufactured by Flanders.  
one or more sides to seal the filter in the mount-  
ing device.  
1.2 Filter sizes, capacities and construction options  
shall be as scheduled on the drawings.  
3.0 Performance  
3.1 Initial and final resistances shall not exceed the  
scheduled values.  
1.3 Filters shall be (UL 900 Class 1)(UL586 listed.  
3.2 Alpha 2000 HEPA Filters shall have a minimum  
efficiency of 99.97% on 0.30 micrometer parti-  
cles when tested at rated capacity on a Q-107  
Penetrometer in accordance with IEST-RP-CC-  
001.3, Type A. Measure the upstream and down  
stream concentration of these particles with a  
light scattering photometer, determine the pene-  
tration and calculate the efficiency.  
2.0 Filter Construction  
2.1 The filter pack shall be constructed by pleating a  
continuous sheet of non-woven water-resistant  
fiberglass media around hemmed-edge corru-  
gated aluminum separators. (or) The filter pack  
shall be constructed by pleating a continuous  
sheet of formed, corrugated medium so that the  
pack is self-supporting without the use of spac-  
ers of any kind, including separators, tape  
strings, adhesives or strips of media.  
3.3 Alpha 2000 Scan Tested HEPA Filters shall have  
a minimum efficiency of 99.99% on 0.30 microm-  
eter particles in accordance with IEST-RP-CC-  
001.3, Type C. The scan test shall consist of  
challenging the filter with a high concentration of  
an approved oil aerosol or PSL Spheres.  
Utilizing a photometer or particle counter, the  
media pack and the pack- to- frame seal shall be  
scanned to insure that there are no leaks greater  
than .01% of the upstream concentration at 100  
fpm face velocity  
2.2 The filter pack shall be sealed into a (galvaneal)  
409 stainless steel) (304 stainless steel) (parti-  
cle board) (fire-retardant particleboard) (fire-  
retardant plywood) frame with  
a
fire  
retardant(polyurethane foam) ( solid urethane)  
sealant. (Steel frames shall be 16 ga.)(Wood  
frames shall be 3/4” thick.)  
®
REPRESENTED BY:  
Flanders Filters, Inc.  
531 Flanders Filter Road  
Washington, NC 27889  
Phone: (252) 946-8081  
Toll Free: (800) 637-2803  
Fax: (252) 946-3425  

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