Flanders Semi Rigid Figh Dust Holding C apacity Extended Surface Bag Filter Pak XDH, Precision Pak XDH Specification Sheet
Precision Pak XDH
Semi-Rigid, High Dust Holding Capacity
Extended Surface Bag Filter
Bulletin PB1102-1206
General
Precision Pak XDH high dust holding capacity
extended surface bag filters are designed for use
in most commercial or industrial HVAC systems
where medium to high efficiency filtration is
required. Precision Pak XDH filters are available in
micro-fine polyolefin synthetic media with average
efficiency ranges of 65%, 85% and 95% per
ASHRAE Standard 52.1 and 52.2 test methods.
Operating face velocities up to 625 fpm are available for all models.
Ideal for VAV
Precision Pak XDH filters in depths up to 22” aresemi-rigid and thus ideally suited for variable air
volume systems. Precision Pak XDH filters are UL
900 Class 2 listed.
Dual Phase Media
Precision Pak XDH bag filters use dual phase
polyolefin synthetic media. The media is thermally bonded without binders and consists of nonwoven continuous hydrophobic (water repellent)
fibers that resist water and most chemicals. In
addition, the media is gradient density, dual stage
and electrostatically enhanced for extra high dust
holding (XDH) capacity. Further, the media is nonshedding and performs exceptionally well in high
velocity and turbulent applications.
Extra High Dust Holding
A typical XDH bag filter was tested for ASHRAE
synthetic dust holding capacity against similar filters with fiberglass and meltblown synthetic
media. Results showed that the XDH filter held
approximately 150% more dust by weight than the
others when run to the same final resistance. This
characteristic makes it an excellent choice for very
dusty areas and for those systems where long
service life and reduced maintenance are key concerns.
Physical Data
Media: Dual Phase, 100% Synthetic
Media Backer: Non-woven polyester
Pocket Sealant: Thermoplastic resin
Pocket Retainer: Corrosion Resistant steel
Header: 13/16” wide corrosion resistant
Operating Limits: 100% RH and 180° F
Actual Header Face Size: Nominal size less 5/8” (e.g.,
a nominal 24” x 24” filter header is actually 23-3/8” x
23-3/8”)
Important Features
• Semi rigid pocket filter
• Extra high dust holding capacity
• Dual stage gradient density electrostatic media
• Low initial pressure drop provides long life
• Wide range of depths and face sizes
• Linear stitching for optimum pocket form
• Three ASHRAE efficiencies: 65%, 85%, 95%
• Pocket perimeter ultrasonically sealed
• MERV 11-14
Flanders Precisionaire - Foremost in Air Filtration
TollFree: 1-800-637-2803
95% XDH Synthetic Media Filters MERV 14
Nominal Number Nom. Nom. Media 375 fpm 500 fpm 625 fpm
Depth of Width Height Area
(inch) Pockets (Inch) (Inch) (sq. ft.) cfm pd cfm pd cfm pd
12 12 24 24 52 1500 0.44 2000 0.64 2500 0.81
12 6 12 24 26 750 0.44 1000 0.64 1250 0.81
22 6 24 24 48 1500 0.37 2000 0.51 2500 0.68
22 3 12 24 24 750 0.37 1000 0.51 1250 0.68
22 8 24 24 64 1500 0.33 2000 0.46 2500 0.62
22 4 12 24 32 750 0.33 1000 0.46 1250 0.62
22 10 24 24 79 1500 0.29 2000 0.42 2500 0.55
22 5 12 24 40 750 0.29 1000 0.42 1250 0.55
26 6 24 24 56 1500 0.33 2000 0.46 2500 0.62
26 3 12 24 28 750 0.33 1000 0.46 1250 0.62
26 8 24 24 75 1500 0.30 2000 0.42 2500 0.57
26 4 12 24 38 750 0.30 1000 0.42 1250 0.57
26 10 24 24 94 1500 0.26 2000 0.39 2500 0.52
26 5 12 24 47 750 0.26 1000 0.39 1250 0.52
30 6 24 24 65 1500 0.29 2000 0.42 2500 0.55
30 3 12 24 33 750 0.29 1000 0.42 1250 0.55
30 8 24 24 87 1500 0.26 2000 0.37 2500 0.51
30 4 12 24 43 750 0.26 1000 0.37 1250 0.51
30 10 24 24 108 1500 0.24 2000 0.35 2500 0.48
30 5 12 24 54 750 0.24 1000 0.35 1250 0.48
85% XDH Synthetic Media Filters MERV 13
Nominal Number Nom. Nom. Media 375 fpm 500 fpm 625 fpm
Depth of Width Height Area
(inch) Pockets (Inch) (Inch) (sq. ft.) cfm pd cfm pd cfm pd
12 12 24 24 52 1500 0.29 2000 0.40 2500 0.64
12 6 12 24 26 750 0.29 1000 0.40 1250 0.64
22 6 24 24 48 1500 0.26 2000 0.37 2500 0.51
22 3 12 24 24 750 0.26 1000 0.37 1250 0.51
22 8 24 24 64 1500 0.23 2000 0.33 2500 0.44
22 4 12 24 32 750 0.23 1000 0.33 1250 0.44
22 10 24 24 79 1500 0.22 2000 0.31 2500 0.42
22 5 12 24 40 750 0.22 1000 0.31 1250 0.42
26 6 24 24 56 1500 0.25 2000 0.36 2500 0.48
26 3 12 24 28 750 0.25 1000 0.36 1250 0.48
26 8 24 24 75 1500 0.22 2000 0.32 2500 0.43
26 4 12 24 38 750 0.22 1000 0.32 1250 0.43
26 10 24 24 94 1500 0.19 2000 0.29 2500 0.40
26 5 12 24 47 750 0.19 1000 0.29 1250 0.40
30 6 24 24 65 1500 0.24 2000 0.35 2500 0.46
30 3 12 24 33 750 0.24 1000 0.35 1250 0.46
30 8 24 24 87 1500 0.20 2000 0.31 2500 0.42
30 4 12 24 43 750 0.20 1000 0.31 1250 0.42
30 10 24 24 108 1500 0.15 2000 0.26 2500 0.37
30 5 12 24 54 750 0.10 1000 0.26 1250 0.37
Performance values stated may be averages typical of the products listed. Contact factory for actual performance test
reports on specific products.
How to Select a Precision Pak XDH Filter:
• Determine the ASHRAE efficiency desired.
• Determine the face velocity needed to fit the system.
• Select the shortest depth possible with a pressure drop that is acceptable.
• Select the most economical filter based on the number of pockets per 24” x 24” size.
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