Filters and Filter Silencers - Universal

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P-8 Series Prefilter P-12F Series Final Filter P-8 and P-12F absolute filter elements are not cleanable; they must be replaced with new elements according to these instructions. P-8 Prefilter P-12F Final Filter Model P-8 Prefilter Part Number 81-0398 81-0400* P-12F Final Filter 81-0429 For New Units—Measuring Pressure Drop When new filters or filter-silencers are installed, make the following two pressure drop measurements and record the results for future reference: 1 Measure the pressure drop with all filters installed. 2 Measure the pressure drop with the P-8 prefilters removed, but the P-12F final filters installed; this gives the pressure drop across the final filters. 3 Subtract the second value from the first to find the pressure drop across the pre-filters. Polyester Pad Replacement Replace the polyester pad when visibly dirty. Weight 27 47 8 19.5324.538 19.5324.5311.5 Filter Replacement After the units have been in service and the filters are loaded, determine whether the filters need to be replaced as follows: 1 Measure the pressure drop with all filters installed and subtract the value measured at installation, when the filters were clean, to find the pressure drop across both loaded filters. 2 Measure the pressure drop with the P-8 pre-filters removed, but with the P-12F final filters installed; subtract the value measured at installation, when the final filters were clean; if the difference is more than 2", replace the final filters. 3 Subtract the second value from the first to find the pressure drop across the pre-filters. If the difference is more than 2", replace the final filters. * The polyester pad (part number 81-0400) is a 2" thick “roughing” filter that fits on the face of the P-8 prefilter. It may be purchased separately in cartons of 12 and should be replaced when it is visibly dirty. Follow the service instructions for replacement. Size Seal Filter Media Sponge Neoprene Gasket Waterproof Glass Waterproof Glass Separators Aluminum Aluminum Frame Construction Tools Needed for Removal For centrifugal compressors, blowers, engines, and gas turbines. For reciprocating compressors, contact Universal Silencer for recommendations. P-8 16-Gauge Galvanized Steel Pleated Media over Corrugated Separators Part Number 80-0457 Removal Tool (Need 2) Pressure Drop, Clean Filter Individually tested and certified 85% efficient by N.B.S. test Individually tested and certified 99.97% efficient by D.O.P. test for particle size 0.3 micron P-12F Silicon Fluid Seal 16-Gauge Galvanized Steel Pleated Media over Corrugated Separators Part Number 80-0457 Removal Tool (Need 2) Pressure Drop, Clean Filter 0.6" water at 1,250 CFM 0.6" water at 1,250 CFM
Universal offers a wide range of sizes and types of air filters and filter-silencers for application on air-moving equipment and internal combustion engines. This catalog covers our standard offthe shelf models. Most models are stocked for immediate shipment. Special types and configurations, as well as larger sizes that are not cataloged, are quoted upon application to meet specific requirements. Easy to specify and order When you work with Universal, you can simply provide the flow conditions and equipment manufacturer’s information, and we can recommend a filter or filter-silencer best suited for your application. Using your information, we can prepare a comprehensive technical proposal and price quotation. Resistance Filter Type W-2-50 W-2-10 W-2-20 W-2-30 W-2-40 DD-2-50 DD-2-10 DD-2-20 DD-2-30 DD-2-40 P-11 P-5 Available Sizes 1231232 1632032 1632532 2032032 2032532 1231232 1632032 1632532 2032032 2032532 2032532 5 dia.36.68 long Frame Material Media Dry or Treated Cleaning Part Number 81-0410 81-0162 81-0163 81-0164 81-0165 81-0411 81-0170 81-0171 81-0172 81-0173 81-0326 81-0317* W-2 Galvanized Steel Crimped Galvanized Steel Wire Mesh Oil-Free Adhesive Soap or Solvent Wash Weight 5 9 10 10 12.5 4 7 8.5 8.5 10 8 © 2011 Universal Acoustic & Emission Technologies, Inc. All rights reserved. .75 9 Rated Flow (CFM) 360 800 1,000 1,000 1,250 360 800 1,000 1,000 1,250 1,250 105 W-2 P-5 DD-2 Galvanized Steel Felted Synthetic (Polyester) Dry Compressed Air or Soap Wash DD-2 Media Surface Area (ft 2 ) 1.0 2.2 2.8 2.8 3.5 1.7 3.7 4.6 4.6 5.7 94.0 6.7 P-11 P-11 Aluminized Steel Efficiency 93% on 10 microns 99% on 10 microns 99.5% on 2 microns 99.5% on 2 microns Filter Elements Filter and Filter-Silencers Paper Paper Paper Dry Compressed Air P-5 Steel Dry Compressed Air P-5EC Epoxy-Coated Steel Dry Compressed Air Initial Resistance at Rated Flow (in. of H20) 0.08 P-5EC5 *48 filters per case. 5 dia.36.68 long 81-0421* .75 105 6.7 75% on 2 microns 99.5% overall 99% on 10 microns 75% on 2 microns 0.83 For dry filters, cleaning instructions are included with each unit. Filter types DD-2 and W-2 are available with stainless steel or aluminum frames. Type W-2 is available with stainless steel or aluminum media. 0.31 0.44 0.83 Toll-Free: 1-888-300-4272 www.universalAET.com 94-1553 Rev 0
Page 1: Filters and Filter Silencers Techni
Page 4 and 5: For centrifugal compressors, blower
Page 6 and 7: For centrifugal compressors, blower
Page 8 and 9: Filter and silencer combined in one
Page 12 and 13: CCS/CS Series Filter-Silencers CCF/
Page 14 and 15: CCS/CS/CCF/CF Filter Elements Pleat
Page 16 and 17: ILFV Series Vacuum Service In-line
Page 18: Universal 1925 Highway 51/138 P.O.

Filters and Filter Silencers - Universal

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