Precisionaire Air Cleaner FB1100 0606 User Manual

Precision Pak  
Spun Glass or Synthetic Media Bag Filters  
Bulletin PB1100-0606  
General  
Astr Frames are riveted together to form a bank  
and may be installed for upstream or downstream  
service. K-Trac Filter Framing Modules are  
especially suitable for medium to large built-up filter  
banks. Smaller systems and systems with minimum  
upstream access space are best served using  
Sureseal Side Access Housings.  
Precision Pak extended surface bag filters are  
designed for use in most commercial or industrial  
HVAC systems where medium to high efficiency fil-  
tration is required. Precision Pak filters are available  
in two media types: lofted fiberglass and micro-fine  
synthetic media with average efficiency ranges of  
55%, 65%, 85%, and 95% per ASHRAE Standard  
52.1 test methods. Offered MERV 10-15 according  
to ASHRAE Std. 52.2. Operating face velocities up  
to 625 fpm are available for all models. Precision  
Pak filters in depths up to 22" are suited for variable  
air volume systems. Filters with greater depth are  
not recommended.  
Physical Data  
Media: Lofted fiberglass or micro-fine synthetic  
Media Backer: Non-woven polyester  
Precision Pak filters are UL 900 Class 2 listed as a  
standard and are also available in UL Class I in both  
synthetic and glass media.  
Pocket Sealant: Thermoplastic resin  
Pocket Retainer: Corrosion-resistant steel  
Header: 13/16" wide corrosion-resistant steel  
Operating Limits: 100% RH and 180° F  
Installation Considerations  
Precision Pak bag filters may be installed in  
Flanders Astr Frames, K-Trac Filter Framing  
Modules, Sureseal Side Access Housings, or in  
similar existing hardware.  
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  
• Low initial pressure drop provides longer life.  
• Stitched pockets provide aerodynamics for  
optimal inflation.  
• Wide range of cartridge depths, efficiencies  
and operating capacities are available.  
• Edges have an over lock stitch.  
• Available in lofted fiberglass or synthetic  
media.  
• 100% stake-through pocket retainers.  
• UL 900 Class 1 or 2 available.  
• MERV 10-15.  
Flanders PrecisionAire ~ Foremost in Air Filtration  
Toll Free: 1-800-637-2803  
1
 
60-65% Synthetic Media MERV 11  
Nominal  
Depth  
(Inches)  
Nom.  
Width  
(inch)  
Number  
Of  
Pockets  
Nom  
Height  
(inch)  
Media  
Area  
(sq. ft)  
375 FPM  
cfm PD  
1500 0.18  
750 0.18  
1500 0.19  
750 0.19  
1500 0.16  
750 0.16  
1500 0.15  
750 0.15  
1500 0.18  
750 0.18  
1500 0.15  
750 0.15  
1500 0.14  
750 0.14  
1500 0.18  
750 0.18  
1500 0.14  
750 0.14  
500 FPM  
cfm PD  
625 FPM  
cfm PD  
15  
15  
22  
22  
22  
22  
22  
22  
30  
30  
30  
30  
30  
30  
36  
36  
36  
36  
12  
6
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
65  
33  
48  
24  
64  
32  
79  
40  
65  
33  
87  
43  
108  
54  
78  
39  
104  
52  
2000 0.28 2500 0.39  
1000 0.28 1250 0.39  
2000 0.30 2500 0.41  
1000 0.30 1250 0.41  
2000 0.25 2500 0.37  
1000 0.25 1250 0.37  
2000 0.24 2500 0.34  
1000 0.24 1250 0.34  
2000 0.29 2500 0.39  
1000 0.29 1250 0.39  
2000 0.23 2500 0.34  
1000 0.23 1250 0.34  
2000 0.22 2500 0.32  
1000 0.22 1250 0.32  
2000 0.26 2500 0.36  
1000 0.26 1250 0.36  
2000 0.22 2500 0.31  
1000 0.22 1250 0.31  
6
3
8
4
10  
5
6
3
8
4
10  
5
6
3
8
4
50-55% Synthetic Media MERV 10  
Nominal  
Depth  
(Inches)  
Number  
Of  
Pockets  
Nom.  
Width  
(inch)  
Nom  
Height  
(inch)  
Media  
Area  
(sq. ft)  
375 FPM  
cfm PD  
1500 0.18  
750 0.18  
1500 0.19  
750 0.19  
1500 0.16  
750 0.16  
1500 0.15  
750 0.15  
1500 0.16  
750 0.16  
1500 0.14  
750 0.14  
1500 0.14  
750 0.14  
1500 0.15  
750 0.15  
1500 0.14  
750 0.14  
500 FPM  
625 FPM  
cfm PD  
cfm  
PD  
15  
15  
22  
22  
22  
22  
22  
22  
30  
30  
30  
30  
30  
30  
36  
36  
36  
36  
12  
6
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
12  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
24  
65  
33  
48  
24  
64  
32  
79  
40  
65  
33  
87  
43  
108  
54  
78  
39  
104  
52  
2000  
1000  
2000  
1000  
2000  
1000  
2000  
1000  
2000  
1000  
2000  
1000  
2000  
1000  
2000  
1000  
2000  
1000  
0.28 2500 0.35  
0.28 1250 0.35  
0.30 2500 0.37  
0.30 1250 0.37  
0.25 2500 0.33  
0.25 1250 0.33  
0.24 2500 0.31  
0.24 1250 0.31  
0.26 2500 0.35  
0.26 1250 0.35  
0.21 2500 0.31  
0.21 1250 0.31  
0.20 2500 0.29  
0.20 1250 0.29  
0.24 2500 0.32  
0.24 1250 0.32  
0.20 2500 0.29  
0.20 1250 0.29  
6
3
8
4
10  
5
6
3
8
4
10  
5
6
3
8
4
Notes:  
1. PD represents clean pressure drop in inches w.g. for synthetic media filters.  
2. The recommended final pressure drop for all models is 1.0 inch w.g.  
3. Gross media area is approximately 7% more than the net area listed.  
4. Values shown may be averages or estimates typical of products styles.  
Contact factory for test data on specific models.  
Flanders PrecisionAire ~ Foremost in Air Filtration  
Toll Free: 1-800-637-2803  
3
 
Application Guidelines  
Precision Pak filters should be  
installed with pockets vertical  
wherever possible. It is acceptable  
to install 24" x 12" face size filters  
with pockets horizontal if necessary  
to meet the size requirements of  
the filter banks.  
Gasketed Headers  
Precision Pak filters installed in  
Flanders K-Trac Filter Framing  
Modules or Sureseal Side Access  
Housings require polyfoam gaskets  
on opposite header sides to  
prevent air bypass. To specify  
Precision Pak filters with gasketed headers, add suffix “SA” (side access), “GU” (upstream), “GD” (downstream)  
and “GS” (sides) to the model number.  
Prefilters  
Properly selected bag filters without prefilters will generally require change out annually in typical HVAC  
applications. Because of the frequent maintenance expense and increase in fan kW input using prefilters,  
they are often recommended with 85% and 95% efficient Precision Pak final filters. However, the energy  
cost to operate a prefilter seldom warrants their use with 55% or 65% filters.  
Guide Specifications  
1.0 General  
2.5 Pockets shall be bonded to corrosion-  
1.1 Medium and high efficiency self-supporting filters  
shall be Precision Pak extended surface type as  
manufactured by Flanders.  
resistant steel casings and assembled into a  
corrosion-resistant steel header.  
2.6 Filters shall be UL 900 Class 2 or Class 1  
listed.  
1.2 Filter sizes, efficiencies and capacities shall  
be as scheduled on the drawings.  
3.0 Performance  
2.0 Filter Construction  
3.1 Initial and final resistances shall not exceed the  
scheduled values.  
2.1 Filters shall be constructed of lofted fiberglass  
or micro-fine synthetic media encased in a  
thin non-woven polyester backer mat.  
3.2 Media area must equal or exceed that of the  
specified filter.  
2.2 Open area on the filter face for air passage  
shall be not less than 90%.  
3.3 The average efficiency shall be as determined  
by the ASHRAE Standard 52.1 and 5.22 test  
methods.  
2.3 Flexible internal support stitching shall maintain  
individual pockets in a controlled form under all rated  
air flow conditions. Stitching shall be sealed with  
thermoplastic sealant. Edges shall be finished with  
over lock stitch to prevent air unraveling.  
3.4 The manufacturer shall guarantee  
performance as stated in its literature within  
tolerances as out-lined is Section 7.4 of ARI  
Standard 850.  
2.4 Pockets shall be 100% stake-through  
crimped to prevent media pullout.  
Flanders PrecisionAire ~ Foremost in Air Filtration  
Toll Free: 1-800-637-2803  
4
 

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