Precisionaire Swissaire Bag Pb1104 User Manual

SwissAire  
Self Supporting Synthetic Media Bag Filters  
Bulletin PB1104-1206  
General  
ASTR Holding Frames are riveted together to form  
a bank and may be installed for upstream or down-  
stream 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.  
SwissAire is a very high strength, synthetic media  
bag filter. Pockets are nearly rigid, making them  
self supporting for full media use and no pocket sag.  
Pockets are also fully welded instead of stitched.  
That means less chance of pin-hole leaks and very  
high blow-out strength. Headers on SwissAire bag  
filters are all 16 gauge galvanized steel, not plastic  
that can crack or warp.  
Physical Data  
SwissAire synthetic, self supporting bag filters are  
designed for use in most commercial or industrial  
HVAC systems where medium to high efficiency fil-  
tration is required. SwissAire Filters are available in  
minimum efficiency levels of 50%, 60% and 90%  
per ASHRAE Standard 52.1 test methods. Offered  
as MERV 8-15 per ASHRAE Standard 52.2  
SwissAire bag filters are UL 900 Class 1 listed.  
Media: A nearly rigid, high strength synthetic medium.  
- Progressive density fiber matrix designed for high  
dust holding capacity.  
- 100% synthetic medium performance results  
from strictly mechanical particle collection mecha-  
nisms. Performance of the product is not afffected  
by preconditioning step proposed to ASHRAE 52.2  
Pocket Retainer: Corrosion resistant steel or aluminum  
Header: 13/16” wide corrosion-resistant steel  
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”)  
Installation Considerations  
SwissAire bag filters may be installed in Flanders  
ASTRl Holding Frames, K-Trac Filter Framing  
Modules, Sureseal Side Access Housings, or in  
similar existing hardware.  
Important Features  
• Nearly rigid pockets are self supporting and allow  
for full media use with no pocket sag  
• 100% synthetic media  
• Low initial pressure drop provides longer life.  
• Welded pockets, no stitching for better integrity and  
higher blowout strength.  
• Wide range of cartridge depths, efficiencies  
and operating capacities are available.  
• MERV 8-15  
• UL 900 Class 1  
Flanders Presicionaire - Foremost in Air Filtration  
Toll Free: 1-800-347-2220  
1
SwissAire Particle Collection Efficiency  
100.0  
90.0  
80.0  
70.0  
60.0  
50.0  
40.0  
30.0  
20.0  
10.0  
0.0  
SA60  
SA90  
0.1  
1.0  
10.0  
Particle Size (micron)  
SwissAire Rigid Bag Filters 24” x 24” x 26” (8) Pocket Tested at 2,000 CFM  
per ASHRAE Standard 52.2. Data reflects the Composite Minimum Efficiency  
Pressure Drop vs Air Flow Rate  
0.60  
SA5054426  
SA6064426  
SA9084426  
0.50  
0.40  
0.30  
0.20  
0.10  
0.00  
0
200  
400  
600  
800  
1000  
1200  
1400  
1600  
1800  
2000  
Airflow Rate  
Dust Holding Capacity SwissAire vs Rigid Air  
2.00  
SA 60 242412 (6) pkt.  
PRP65S4412  
1.50  
1.00  
0.50  
0.00  
0
100  
200  
300  
400  
Dust Fed (grams)  
Filters tested at 2000 CFM per ASHRAE Std. 52.1  
ASHRAE Standardized Test Dust fed at 2.0 grams per cubic foot of air.  
Application Guidelines  
Prefilters  
SwissAire bag filters should be installed with pock-  
ets vertical wherever possible. It is acceptable to  
install 24” x 12” face size filters with pockets hor-  
izontal if necessary to meet the size requirements  
of the filter banks.  
Properly selected bag filters without prefilters will  
generally require changeout annually in typical  
HVAC applications. Because of the frequent  
maintenance expense and increase in fan kW  
input using prefilters, they are often recommended  
with 90% efficient SwissAire final filters. However,  
the energy cost to operate a prefilter seldom war-  
rants their use with 50% or 60% filters.  
Gasketed Headers  
SwissAire bag 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  
SwissAire bag filters with gasketed headers, add  
suffix ”SA” (side access), “GU” (upstream), “GD”  
(downstream) and “GS” (sides) to model number.  
Performance values shown in this publication may be averages or estimates intended to generally represent a product style.  
Contact factory for latest actual test data on specific Flanders Precisionaire models.  
Guide Specifications  
1.0 General  
2.4 Pockets shall be bonded to corrosion-resistant  
steel casings and assembled into a corrosion-  
resistant steel header.  
1.1 Medium and high efficiency self-supporting filters  
shall be SwissAire extended surface type as man-  
ufactured by Flanders.  
2.5 Filters shall be UL 900 Class 1 rated.  
1.2 Filter sizes, efficiencies and capacities shall be  
as scheduled on the drawings.  
3.0 Performance  
3.1 Initial and final resistances shall not exceed the  
scheduled values.  
2.0 Filter Construction  
2.1 Filters shall be constructed of 100% synthetic  
media of sufficient rigidity to maintain self-support-  
ing pockets.  
3.2 Media area must equal or exceed that of the spec-  
ified filter.  
3.3 The average efficiency shall be as determined  
by the ASHRAE Standard 52.1 and 52.2 test  
methods.  
2.2 Open area on the filter face for air passage shall  
not be less than 90%.  
2.3 Pockets shall be 100% welded, with no stitching to  
provide protection against leaks and extra blow-out  
strength.  
3.4 The manufacturer shall guarantee performance as  
stated in its literature within tolerances as outlined  
is Section 7.4 of ARI Standard 850.  
REPRESENTED BY:  
Flanders - PrecisionAire  
Foremost in Air Filtration  
Toll Free: 1-800-347-2220  

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