KNW Series 20-50 HP - Rogers Machinery
KNW Series 20-50 HP - Rogers Machinery
KNW Series 20-50 HP - Rogers Machinery
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Oil-Free, Rotary Screw Air CompressorsTwo-stage, Air-cooled and Water-cooled<strong>20</strong>-<strong>50</strong> <strong>HP</strong> Fixed Speed25-75 <strong>HP</strong> Variable Speed40-125 PSIGOil-Free • Risk Freewww.knw-series.com
Proven Rotary Screw Technology in a Compact PackageOil-Free • Risk FreeRotary Screw DesignSince the first compressormanufactured in 1955, Kobelco®has stayed one step ahead of thecompetition with constantinnovation and dedication toquality.Long acknowledged to be the mostefficient, low cost and reliablemethod for producing oil-free air, theKobelco® <strong>KNW</strong> <strong>Series</strong> rotary screwcompressor is available in sizesranging from <strong>20</strong>-<strong>50</strong>0 horsepower.The Kobelco® <strong>KNW</strong> <strong>Series</strong> offers themost complete line available on themarket.Touchscreen Operator Interface with Graphic DisplayAll 00 frame models feature stainless steelrotors with special corrosion resistantcoating to deliver 100% oil-free air.Easy to ReadTouchscreen DisplayComplete status indication is displayedcontinuously during operation, while instand-by or after emergency shutdown.Discrete push buttons with lights for quickindication of operating status. An audiblealarm is provided for alarm annunciation.Allen BradleyProgrammableLogic Controller (PLC)The PLC initiates and sequences the properevents during start-up, operation andshutdown. It monitors system functions,safety devices and instrumentation. The PLCincorporates an erasable programmable readonly memory chip (EPROM) for permanentprogram storage. Programs can be changedto meet various plant requirements. Inaddition, interfacing with other equipmentand plant monitoring systems is easilyaccomplished. Competitive models do notoffer a PLC.Standard Allen-Bradley PLC. Built in sequencing capability - up to four compressors. Interfacing with plant monitoring systems easilyaccomplished. Allen Bradley Ethernet Communiciation module shown, as an option. PLC manufacturers of customer preference canalso be utilized. Multiple communication protocols are available, including modbus via ethernet.
Simple and Efficient with High ReliabilityConveniently located heat exchangersLow Noise Cooling FanHigh EfficiencyMoistureSeparatorsTouchscreenOperator InterfaceLow Installation CostConveniently located utilityconnections provide quickand easy installation. Unitsare thoroughly factory testedprior to shipment. All modelshave the same compactfootprint. Air or water cooledmodels are available.QuietEasyaccessfor routineserviceitemsSealedForklift SlotsPremiumEfficient MotorDisconnect/E-StopNEMA 4ElectricalCabinetFull sound enclosure with easy toremove panels provide quickaccess for routine maintenance.Quiet operation 64 - 74 dB(A) isstandard for both air and watercooled models.Premium EfficientMotorA premium efficient, EISAheavy-duty motor is flangemounted to the compressorfor permanent trouble-freealignment.Energy SavingLoad/Unload CapacityControl or VFDSimple capacity control providesreliable operation and maximumenergy efficiency. This controlloads and unloads the compressorto match system demand,keeping energy costs to aminimum. The compressor willshutdown after operatingunloaded for a period of time andautomatically restart on systemdemands. Full offering of VFDmodels are also available.VFD or load/unload control - Choose which energysaving control is best for your application.Power Consumption - Fixed Speed vs. VFD
Healthcare Facility PackageThe Kobelco ®<strong>KNW</strong> <strong>Series</strong> compressor meets the requirements ofNFPA99 for use as a medical air compressor. Healthcare facilityoption package includes the following:Inlet air adapterAuto restart after power failureLag-in use alarmNon-fused disconnect switchAutomatic lead / lag controlKobelco® <strong>KNW</strong> <strong>Series</strong> oil-free compressors are preferred byhospitals and laboratories worldwide. Customers prefer thelower maintenance costs, energy efficiency, low sound level,dependable and vibration free operation, when compared toliquid ring, reciprocating or scroll type compressors.Breathing air systems are regulated by OSHA (see 29 CFR 1910.134) and medical systemsmust comply with NFPA 99 guidelines.Typical Clean Dry Air System InstallationKobelco ®<strong>KNW</strong> <strong>Series</strong> oil-freeair compressor.Fixed Speed or VFDAir or Water CooledCoalescing PrefilterControl / wet air receiversized to compressor capacityapprox. 1 gal. / cfm. minimumDry air receiver sized to specificsystem requirements.Particulate AfterfilterAir Out to PlantFinal Filter(if required)Regenerative or refrigerated air dryer,depending on requirements.Keep Our Planet Green<strong>Rogers</strong> <strong>Machinery</strong> Company, Inc.146<strong>50</strong> SW 72nd AvenuePortland, Oregon 97224-7943<strong>50</strong>3.639.0808Fax <strong>50</strong>3.639.0111Kobelco ®<strong>KNW</strong> <strong>Series</strong>Regional Offices:Detroit, MIHouston, TXPrinceton, NJPortland, ORkobelco@rogers-machinery.comwww.knw-series.comSubject to Change Without NoticeMEMBER<strong>KNW</strong>00 (05-11)
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