 2007 Kaeser Compressors, Inc., USA (V5.0) 1 Kaeser Compressed Air Filters Specifications are subject to change without notice

 2007 Kaeser Compressors, Inc., USA (V5.0) 2 Kaeser Compressed Air Filters Specifications are subject to change without notice Why Filter Compressed Air? Ambient air contains contaminants consisting of: Oils Particulates Water Hydrocarbons (i.e. oils) Contaminants can: Damage compressor components Effect product quality Damage production equipment

 2007 Kaeser Compressors, Inc., USA (V5.0) 3 Kaeser Compressed Air Filters Specifications are subject to change without notice Filtration of Compressed Air Will: Remove particulates Remove aerosols Eliminate hydrocarbon odor Separate bulk liquid

 2007 Kaeser Compressors, Inc., USA (V5.0) 4 Kaeser Compressed Air Filters Specifications are subject to change without notice Particulate Removal Surface type Stops particles at filter surface Screen or sieve type filtration In-depth type Bed of random fibers captures particles at different depths Maximum voids and volume allow for long filter life

 2007 Kaeser Compressors, Inc., USA (V5.0) 5 Kaeser Compressed Air Filters Specifications are subject to change without notice Liquid Removal Absorption Cotton, wool, paper, cat litter, etc. Replaced once saturated Limited life Mechanical separators Baffle, cyclone, centrifugal Spin liquids out of air stream Limited ability to remove droplets 10 microns and smaller Lose efficiency at reduced flows

 2007 Kaeser Compressors, Inc., USA (V5.0) 6 Kaeser Compressed Air Filters Specifications are subject to change without notice Coalescing: Means to come together - collect Direct interception Inertia impaction/impingement Diffusion interception They work by: In-depth bed of filter media Droplets are captured on fibers Droplets move along fibers and collect together Collected droplets gravitate to bottom of filter Liquid Removal (continued)

 2007 Kaeser Compressors, Inc., USA (V5.0) 7 Kaeser Compressed Air Filters Specifications are subject to change without notice Oil Vapor Removal No liquid should be present at inlet of an oil vapor adsorbing filter Activated carbon adsorbs oil vapors Eliminates oil odor and taste

 2007 Kaeser Compressors, Inc., USA (V5.0) 8 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Terms ppm w/w Liquid loading Micron

 2007 Kaeser Compressors, Inc., USA (V5.0) 9 Kaeser Compressed Air Filters Specifications are subject to change without notice Kaeser High Performance Filters and Separators Designed and developed using the latest innovations and manufacturing techniques Designed to ensure low pressure drop Designed for ease of installation, operation, and maintenance  reduces the cost of operating a compressed air system  for every 2 psi of pressure drop, power requirements increase by 1%

 2007 Kaeser Compressors, Inc., USA (V5.0) 10 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Features – Filter Indicators  P gauge Large and easy to read Standard on filters from 100 to 780 scfm (except oil vapor removal filter)  P slide indicator Economical Standard on filters up to 60 scfm

 2007 Kaeser Compressors, Inc., USA (V5.0) 11 Kaeser Compressed Air Filters Specifications are subject to change without notice Safety feature: Audible signal if disassembly is attempted while filter is still pressurized Filter Features – Audible Pressure Alarm

 2007 Kaeser Compressors, Inc., USA (V5.0) 12 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Features – Liquid Level Indicator Visual monitoring of liquid level Verification of drain operation Pressure rated to 250 psig

 2007 Kaeser Compressors, Inc., USA (V5.0) 13 Kaeser Compressed Air Filters Specifications are subject to change without notice Viton seals – compatible with mineral and synthetic lubricants Simple and reliable operation Pressure rated to 250 psig Found in smaller capacity filters Filter Features – Internal Automatic Drain

 2007 Kaeser Compressors, Inc., USA (V5.0) 14 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Element Integrity Seam-welded, corrosion resistant stainless steel cores (409 SS standard; 304 SS optional) Coated, chemically resistant, open cell foam sleeves Chemically resistant end caps bound to media with specially formulated adhesive Compatible with mineral and synthetic lubricants

 2007 Kaeser Compressors, Inc., USA (V5.0) 15 Kaeser Compressed Air Filters Specifications are subject to change without notice KLS – Kaeser Liquid Separator Typical locations: Compressor discharge Aftercooler discharge Before or after a wet tank Single stage filtration: Two stainless steel tubes remove liquids Inside to outside flow Bulk liquid removal

 2007 Kaeser Compressors, Inc., USA (V5.0) 16 Kaeser Compressed Air Filters Specifications are subject to change without notice KLS – Kaeser Liquid Separator Removes: 95-97% of liquid water Particles 10 microns and larger Liquid loading: 30,000 ppm w/w maximum Oil carry-over / not applicable Requires condensate drain

 2007 Kaeser Compressors, Inc., USA (V5.0) 17 Kaeser Compressed Air Filters Specifications are subject to change without notice KFS – Kaeser Filtered Separator Two-stage filtration: In-depth coalescing bed of random fibers Inside to outside flow Typical locations: Compressor discharge Aftercooler discharge Refrigerator dryer separator Two stainless steel tubes remove bulk liquids

 2007 Kaeser Compressors, Inc., USA (V5.0) 18 Kaeser Compressed Air Filters Specifications are subject to change without notice Removes: 99+% of liquid water Solid particles 3 microns and larger Liquid loading: 25,000 ppm w/w maximum Oil carry-over – 5 ppm w/w Requires condensate drain KFS – Kaeser Filtered Separator

 2007 Kaeser Compressors, Inc., USA (V5.0) 19 Kaeser Compressed Air Filters Specifications are subject to change without notice KPF – Kaeser Particulate Filter First stage – coarse coalescing media captures larger particles Second stage – finer coalescing media captures solids and liquids Inside to outside flow Two-stage filtration:

 2007 Kaeser Compressors, Inc., USA (V5.0) 20 Kaeser Compressed Air Filters Specifications are subject to change without notice Removes: Solid particles 1 micron and larger 100 % of liquid water Liquid loading: 2,000 ppm w/w maximum Oil carry-over – 1 ppm w/w Requires condensate drain in wet applications KPF – Kaeser Particulate Filter

 2007 Kaeser Compressors, Inc., USA (V5.0) 21 Kaeser Compressed Air Filters Specifications are subject to change without notice KPF – Kaeser Particulate Filter Typical location: Wet or dry air applications Upstream or downstream of refrigerated dryer Upstream of desiccant dryer Downstream of heatless desiccant dryer Upstream of oil removal filters

 2007 Kaeser Compressors, Inc., USA (V5.0) 22 Kaeser Compressed Air Filters Specifications are subject to change without notice KPF-RF – Kaeser Reverse Flow Particulate Filter Removes solid particles 1.0 micron and larger Large surface area extends filter element life  outside to inside flow Utilizes both gravitational settling and in-depth filtration Dry air applications only!  no drain required Located after a (heatless only) desiccant dryer

 2007 Kaeser Compressors, Inc., USA (V5.0) 23 Kaeser Compressed Air Filters Specifications are subject to change without notice Particulate filter: Removes solid particles 1 micron and larger Dry air applications only!  no drain required Utilizes gravitational settling and in-depth filtration Rated for temperatures up to 450ºF Outside to inside flow Located down stream of a heated desiccant dryer HTA – Kaeser High Temperature After Filter

 2007 Kaeser Compressors, Inc., USA (V5.0) 24 Kaeser Compressed Air Filters Specifications are subject to change without notice KOR – Kaeser Oil Removal Filter For removal of oil aerosols and fine water: First stage – coarse media captures larger particles Second stage – fine coalescing media removes oil aerosols Outer foam sleeve prevents re-entrainment of coalesced liquids

 2007 Kaeser Compressors, Inc., USA (V5.0) 25 Kaeser Compressed Air Filters Specifications are subject to change without notice Removes: % of oil aerosols Solid particles 0.01 micron and larger Liquid loading: 1,000 ppm w/w maximum Oil carry-over – 0.01 ppm w/w Requires condensate drain KOR – Kaeser Oil Removal Filter Inside to outside flow

 2007 Kaeser Compressors, Inc., USA (V5.0) 26 Kaeser Compressed Air Filters Specifications are subject to change without notice KOR – Kaeser Oil Removal Filter Typical location: Downstream of refrigerated dryer Upstream of desiccant dryer KPF pre-filter highly recommended

 2007 Kaeser Compressors, Inc., USA (V5.0) 27 Kaeser Compressed Air Filters Specifications are subject to change without notice KOX – Kaeser Oil Removal eXtra Fine For removal of extra fine oil aerosols: First stage - inner foam sleeve pre-filters and disperses flow Second stage - matrix blended fiber media Outer foam sleeve prevents re-entrainment of coalesced liquids

 2007 Kaeser Compressors, Inc., USA (V5.0) 28 Kaeser Compressed Air Filters Specifications are subject to change without notice Removes: % of oil aerosols Solid particles 0.01 micron and larger Liquid loading: 100 ppm w/w maximum Oil carry-over ppm w/w Requires condensate drain KOX – Kaeser Oil Removal eXtra Fine Inside to outside flow

 2007 Kaeser Compressors, Inc., USA (V5.0) 29 Kaeser Compressed Air Filters Specifications are subject to change without notice KOX – Kaeser Oil Removal eXtra Fine Typical location: Downstream of refrigerated dryer Upstream of desiccant dryer KPF pre-filter HIGHLY recommended

 2007 Kaeser Compressors, Inc., USA (V5.0) 30 Kaeser Compressed Air Filters Specifications are subject to change without notice Utilizes activated carbon: First stage - stabilized bed of finely divided carbon particles adsorbs oil vapor Second stage - fiber media with bonded microfine carbon particles removes additional oil vapor Third stage - layers of fine media collects solids 0.01 micron and larger KVF – Kaeser Oil Vapor Removal Filter

 2007 Kaeser Compressors, Inc., USA (V5.0) 31 Kaeser Compressed Air Filters Specifications are subject to change without notice Inside to outside flow Removes solid particles 0.01 micron and larger Oil vapor carry-over ppm w/w Service life at rated conditions 1,000 hours at 100ºF inlet Liquid loading: Dry applications only! KVF – Kaeser Oil Vapor Removal Filter

 2007 Kaeser Compressors, Inc., USA (V5.0) 32 Kaeser Compressed Air Filters Specifications are subject to change without notice KVF – Kaeser Oil Vapor Removal Filter Typical location: Downstream of KOR or KOX Downstream of (heatless only) desiccant dryer Dry air applications only!

 2007 Kaeser Compressors, Inc., USA (V5.0) 33 Kaeser Compressed Air Filters Specifications are subject to change without notice Modular Connector Kit scfm (bayonet-type head) Manifold Connector Kit scfm (threaded-type head) Filter Accessories – Connection Kit

 2007 Kaeser Compressors, Inc., USA (V5.0) 34 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Accessories – Filter Monitor Microprocessor control and LCD display Indicates optimum element replacement based on:  operating time  differential pressure  filter type Filter replacement warning Continuously measures differential pressure

 2007 Kaeser Compressors, Inc., USA (V5.0) 35 Kaeser Compressed Air Filters Specifications are subject to change without notice OME – Kaeser Oil Mist Eliminator Removes water and oil aerosols Low pressure drop 0.5 to 1 psig Captures and retains large liquid slugs 5-year cartridge warranty 8 to 15-year typical element life ASME stamped pressure vessels Maximum working pressure 150 psig

 2007 Kaeser Compressors, Inc., USA (V5.0) 36 Kaeser Compressed Air Filters Specifications are subject to change without notice Removes 100% of particles 3 micron and larger Removes % of particles 0.1 micron and larger Large in-depth filter bed Liquid loading: 2,000 ppm w/w maximum continuous operation Oil carry-over 0.5 ppm w/w OME – Kaeser Oil Mist Eliminator

 2007 Kaeser Compressors, Inc., USA (V5.0) 37 Kaeser Compressed Air Filters Specifications are subject to change without notice KAT – Kaeser Activated Carbon Tower Long-life activated carbon oil vapor adsorber: Long bed life – Typical life is 8,800 hours ASME coded pressure vessel (six inches and larger) Low pressure drop (2 psid) Sizes: scfm Oil carry-over < 0.01 ppm Service life of 30,000 hours at rated conditions

 2007 Kaeser Compressors, Inc., USA (V5.0) 38 Kaeser Compressed Air Filters Specifications are subject to change without notice Kaeser Filter Review

 2007 Kaeser Compressors, Inc., USA (V5.0) 39 Kaeser Compressed Air Filters Specifications are subject to change without notice Read the manual! Filter Installation Verify the filter is located correctly in the system  consult where-used chart in filter manual Verify correct air flow direction Do not operate above maximum pressure or temperature rating

 2007 Kaeser Compressors, Inc., USA (V5.0) 40 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Installation Piping should be free from burrs and foreign material Piping connections should be horizontal Make provisions for disposal of liquid condensate Connect drain lines Filter needs to be mounted plumb

 2007 Kaeser Compressors, Inc., USA (V5.0) 41 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Maintenance Pressure indicator in the red  indicates that the filter element should be changed Check indicator with full air flow through the filter Pressure drop reaches 5 psid Customer determined max ΔP Replace element at least annually Element change interval:

 2007 Kaeser Compressors, Inc., USA (V5.0) 42 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Maintenance Procedure Depressurize filter housing! Remove filter bowl or hand hole cover Clean filter bowl Remove used element  dispose of properly

 2007 Kaeser Compressors, Inc., USA (V5.0) 43 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Maintenance Replace element; remember to lubricate sealing o-ring  KOR, KOX, and KVF: do not handle element by outside foam covering Replace internal drain annually Maintain external drain according to manufacturer recommendations

 2007 Kaeser Compressors, Inc., USA (V5.0) 44 Kaeser Compressed Air Filters Specifications are subject to change without notice Filter Installation Example