®
Alpha 95
Bulletin PB1400-1106
95% DOP Filter
FOREMOST IN AIR FILTRATION
General
Standard Alpha 95 filters have 1.7 times the cfm
capacity of standardAlpha Cell 99.97% DOP HEPA
filters at the same clean pressure drop. They are
normally rated at 500 fpm so that filter banks with
95% DOP filters can be sized the same as
ASHRAE-rated filter banks.
Flanders Alpha 95 filters are designed for use in
HVAC applications requiring cleaner air than is
possible with ASHRAE rated filters, but where
HEPA filtered air is not required. The filters are
rated at 95% efficiency on 0.30 micrometer
particles by the DOP test method. The Alpha 95
is rated MERV 17 per ASHRAE Standard 52.2.
Typical applications for Alpha 95 include:
• Hospitals
Alpha 95 filters are identical in design and con-
struction to theAlpha Cell HEPA filters except that
the media is 95% efficient on 0.30 micrometer par-
ticles.
• Biomedical
• Pharmaceutical
• Biotechnology
Installation Considerations
• Genetic Research
• Universities
Alpha 95 filters should be installed in Flanders
leak tight Alpha HEPA frames or Surelock Side
Access HEPA Housings on the positive-pressure
side of the system fan to prevent air bypass.
Sureaire diffuser sections, air mixing baffles or
long transitions should be used if the bank is close
to the fan.
• Laboratories
• Food Processing
• Photo Processing
• Semiconductor Fabrication
• Industrial Processing Systems Product
Installation of Flanders ASHRAE efficiency
prefilters upstream of the fan is recommended to
ensure economical Alpha 95 filter life.
Important Features
•
•
•
•
Minimum efficiency is 95% on 0.30 micrometer
particles.
Manufactured in a variety of wood and metal
frame types.
Available with a media pack with aluminum
separators or with a separatorless pack.
Available in a variety of sizes with either a gasket
or gel seal.
Flanders Filters ~ Foremost in Air Filtration
Toll Free: 1-800-637-2803
1
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ALPHA 95 COMPONENT CHART
0 - 00J - W - 08 - 03 - IU - 12 - 00 - GG - F
Hardware
0 = None
T = Extractor Clips
Filter Depth
D = 5-7/8”
F = 11-1/2”
Efficiency
00J = 95% DOP
Filter Face Size (HxW)
Capacity/Pack Style
C = Separator
D = 4 inch Pureform
F = 8 inch Pureform
W = 11 inch Pureform
B = 8”
C = 12”
E = 18”
G = 24”
N = 30”
P= 36”
H = 42”
Q = 48”
R = 60”
S = 72”
U = 11-3/8”
Y = 23-3/8”
Frame Material
Odd Size Designator
02 = 16 GA 409 Stainless
03 = 16 GA 304 Stainless
04 = 3/4 in. FIRE RETARDANT PLYWOOD
05 = FABRICATED ALUMINUM
07 = 3/4 in. FIRE RETARDANT
PARTICLE BOARD
08 = 16 GA. GALVANNEAL
11 = 3/4 in. NON FIRE RETARDANT
PARTICLE BOARD
Odd size designators are anAlpha Numeric description. The
first two digits specify the height whole number with an alpha
designator specifying the height fraction. The second two
digitsspecifythewidthwholenumberwithanalphadesignator
specifying the width fraction. And the last alpha designator
specifies the depth. If the height or width is less than 10
inches,use a 0 in front of the dimension.
A= 0”
B = 1-1/16” G = 3/8”
C = 1/8” H = 7/16”
D = 3/16” J = 1/2”
E = 1/4” K = 9/16”
F = 5/16”
L= 5/8”
M = 11/16”
N = 3/4”
P = 13/16”
Q = 7/8”
16 or 17 = CORROSION-RESISTANT
24 GA. STEEL
Frame Style
00 = BOX
01 = SINGLE HEADER (13/16”)
02 = DOUBLE HEADER (13/16”)
03 = DOUBLE TURNED FLANGE
05 = 3/4 IN. DEEP CHANNEL GEL SEAL
08 = DOUBLE-TURNED FLANGE, ONE SIDE
R = 15/16”
Sealant Material
IU = URETHANE
IH = HOT MELT
Gasket material
0 = NONE
Faceguard Material
0 = NONE
1 = GALVANIZED 4X4 MESH
G = ALUMINIZED EXPANDED METAL
2 = 17GA.SS 4X4 MESH
5 = 22 GA.SS 4X4 MESH
Faceguard Location
0 = NONE
1 = UPSTREAM
2 = DOWNSTREAM
Gasket location
0 = NONE
1 = UPSTREAM
2 = DOWNSTREAM
3 = BOTH SIDES
1 = NEOPRENE
5 = BLUE JEL
Frame: Alpha 95 filters are available in a variety of wood and metal frame materials such as particle board, plywood,
galvanized steel and stainless steel. Alpha 95 filters are also available in 24 gauge corrosion resistant steel in single or
double headers for installation in side access or plenum applications.
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: 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 stainless steel faceguards are also
available.
UL: Alpha 95 filters are either UL900 Class 1 or Class 2 listed depending on materials of construction.
Banks: Alpha Frames are designed forAlpha 95 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 filter channel to
maintain a leak-tight seal. Surelock B or C-3 gasket seal and Surelock C-4 for Blu Jel HEPA Filter Housings are
recommended for side-access applications. The filters are sealed in place with either spring-loaded swing arm assem-
blies 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.
Flanders Filters ~ Foremost in Air Filtration
Toll Free: 1-800-637-2803
3
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Guide Specifications
1.0
General
1.1 Alpha 95 filters shall be extended media
(separator type) (Pureform separatorless
type) filters as manufactured by Flanders.
2.2 The filter pack shall be sealed into a
(galvaneal) (409 stainless steel) (304
stainless steel) (particleboard) (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.)
1.2 Filter sizes, capacities and construction op-
tions shall be as scheduled on the drawings.
1.3 Filters shall be (UL 900 Class 1)( UL 900
Class 2) listed.
2.3 (A 40-durometer closed-cell neoprene
gasket) (Silicone gel in a channel) shall be
provided on one or more sides to seal the
filter in the mounting device.
2.0 Filter Construction
2.1 The filter pack shall be constructed by pleat-
ing a continuous sheet of non-woven water-
resistant fiberglass media around hemmed-
edge corrugated aluminum separators. The
filter pack shall be constructed by pleating a
continuous sheet of formed, corrugated me-
dium so that the pack is self-supporting
without the use of spacers of any kind,
including separators, tape strings, adhesives
or strips of media.
3.0 Performance
3.1 Initial and final resistances shall not exceed
the scheduled values.
3.2 The rated minimum efficiency of 95% on 0.3
micrometer size particles shall be as
determined by the DOP Test Method
®
Represented By:
Flanders Filters, Inc.
531 Flanders Filter Road
Washington, NC 27889
Phone: (252) 946-8081
Fax: (252) 946-3425
Toll Free: (800) 637-2803
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