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SRL SEriesOil Free Scroll Air Compressors2–44 hp 1.5–33 kW
Sullair and HitachiWhen Sullair became A Hitachi Group Company in July, 2017 — two compressor titans joinedforces — bringing customers more solutions to achieve their compressed air needs.Since 1965, Sullair has been recognized worldwide as an innovator and leader in rotaryscrew compression and vacuum technology. Now — with the combination of more than 100years of Hitachi compressor engineering experience and the dedicated sales, service anddistribution experience of Sullair — presenting the SRL Series of Oil Free Scroll Compressors.The SRL Series represents the best of more than 35 years of Hitachi oil free scroll compressorexperience and expertise.RELIABILITY.DURABILITY.PERFORMANCE.These are the pillars that drive thequality of Sullair compressed airsolutions. It’s a promise we keepwith every machine we make.RELIABILITYCustomers who work with Sullair have found that the intangibles make all the difference —things like trust, confidence, and peace of mind. They go to work every day having full faithin their equipment, as well as the knowledge that dedicated distributors and Sullair personnelhave their back every step of the way.DURABILITYBulletproof. Built to last. However you spin it, Sullair compressed air solutions are in itfor the long haul. In factories and shops all over the world, you’ll find Sullair compressorsthat have stood the test of time, running consistently today like they did on day one.PERFORMANCEYou have high expectations for your operations, and we make machines that shareyour work ethic. Sullair compressed air solutions do what they’re supposed to do,and they do it extremely well for a very long time. And working with us means not onlyaccess to clean, quality air, but also the tools you need to optimize this vital resource.The Sullair Oil Free SealThe Sullair Oil Free Seal is your assurance the compressor produces theclean air required for your operational needs. All Sullair compressorswhich meet the ISO standard for Class 0 oil free air ISO 8573-1carry the Sullair Oil Free Seal.2
Oil Free CompressionWITH SCROLL TECHNOLOGYWhy Oil Free?In many operations, compressed air comes into contact with items inthe manufacturing process. When air purity is critical — oil free air isessential. Oil particulates in compressed air can contaminate downstreamprocesses and production. Oil Free compressors help eliminate potentialcontamination as no oil or lubricant is introduced into the air compressionprocess. Reduced risk of contamination helps improve your businessoperations and profitability.SRL Series scroll air compressors are the perfect choice for applicationsrequiring oil free air, including: Pharmaceuticals Robotics Food and beverage manufacturing Dental applications Electronics Automotive High-technology manufacturing Paint Research & Development High quality oil lessapplicationsinstrument airAir Quality StandardsISO 8573-1 ClassesClassSolid Particle Maximum number of particles per m30.1–0.5 micron00.5–1.0 micronPressure Dew Point F ( C)1.0–5.0 micronOil (incl. vapor) mg/m3As specified by the end-user or manufacturer, and more stringent than Class 11 20,000 400 10 -94 (-70 )0.012 400,000 6,000 100 -40 (-40 )0.103— 90,000 1,000 -4 (-20 )1.004—— 10,000 37.4 (3 )5.005—— 100,000 44.6 (7 )—6——— 50 (10 )—Class 0 Oil Free Air — For applicationsin which air purity is essential, includingpharmaceuticals, food and beverages,electronics, automotive painting, and textiles.CommonContaminantsCommon AirAirContaminantsEye Sight Threshold(40 micron)FumesTobacco SmokeSmogOil AerosolsBacteriaUnder the ISO 8573-1 Class Zero classification,Sullair compressors are designed to operate oilfree, minimizing the risk of contaminating theprocess air or gas.AshDustFogPollen0.00.11Particle/micron size101003
SRL SeriesOIL FREE SCROLL PRODUCT OVERVIEWMotor Output — Horsepower (hp)Motor Output — Kilowatts 2–145122–145SRL 3.7SRL 5.5Simplex (single air pump)Multiplex (up to six air pumps)Rated PressureSingle Phase OptionsScroll compression technologyWithin each SRL Series pump are two scrolls —one orbiting; onefixed. Air entering the compression chamber is gradually reduced asthe orbiting scroll rotates. Compressed air is exhausted through theoutlet at the center. Because air movement is continuous from thesuction port through the discharge port, scroll compressors providepulsation free delivery of compressed air.4
THE SRL SeriesDIFFERENCEThe SRL Series provides oil free air reliably, efficiently and quietly!Built on Hitachi engineering, the SRL Series represents advanced scroll compressor technology to meetyour oil free compressed air needs — today and tomorrow.SRL Exclusive Scrolland Pump Design Patentedscroll wrap design with labyrinth seal providessuperior performance and reliability Proprietary tip seal reduces air leakage while extendingservice intervals Two air inlets to reduce stress on pump(5.5 kW pump only) Leads to tighter upper air band Extends life of pump Normal maintenance can be completed withoutdisassembling pumpIntegrated Design forMaximum User Benefits Highlyefficient coolingstage cooling reduces ambient temperature out Receiver tank helps dissipate heat while reducingcompressor starts/stops Air pressures to 145 psig Extremely quiet Full enclosure standard Mechanical and electrical vibration isolation Designed to be placed at point of air need Sound levels as low as 48 dB(A) Compact design reduces floor space needed Maintenance friendly Easy accessibility for inspection and maintenance MultiUS Patents: 6808373; 8628313; 86470855
Efficient CompressorOperations Energy SavingsMaximizing efficiency means more than just having an efficient air compressor. All SRL Series compressors feature built-in logic to help utilize the aircompressors most efficiently — which not only saves wear and tear on the compressor, but also provides energy savings — which saves you money!Multi-Drive Control (Multiplex Units Only)Patented multi-drive control monitors compressor operation, predictscompressed air needs, then modifies operation automatically by: Shutting down compressor pumps not needed Lowering maximum pressure setting automaticallyPressure Switch ModeWhen the compressor operates in Pressure Switch Mode, the compressorpump (pumps in Multiplex units) stops automatically when the maximumpressure is reached. When the system reaches recovery pressure, eachpump in the compressor restarts.This process saves energy by not producing unneeded air. Shifting theoperating load among the available compressor pumps helps extendthe life of the compressor, and Multi-Drive Control maintains necessarypressure to prevent pressure drop.MULT I -D R I VE C O N TR O LP R E S S U R E S W IT C H C O N T R O LPRESSURE(psig)MAXIMUM PRESSURE12 2MULTI-DRIVETARGET PRESSURE118114110RECOVERY PRESSURE31HEAD S H EADCycle Control LogicLowering maximum pressure isfrequently done to save energy.However, too low a pressure canresult in excessive on/off cycling,increasing wear and tear onthe compressor. Cycle ControlLogic automatically adjusts themaximum pressure rating toelongate on/off cycles — reducingexcessive restarting.1 H EA D2 HEADSUS Patent: 77223312 H E ADSAU T O M AT I C S E T T I N G S OF M A X. PR ESSUR ET O AV O I D E X C E S S I V E ON/ OFF FR EQUENCYC O U N T F RE Q U E N C E Y O F RE S TARTRATE D MAXIMUM(UN LOAD/STOP) PRESSUREUSER SETTING MAXIMUM(UN LOAD/STOP) PRESSUREUSER SETTING MAXIMUM(LOAD/START) PRESSURE61 HEADON/OFFO N /O F F
112295113107648SRL Series (Simplex shown )1.2.3.4.Control PanelEmergency Stop buttonStarter PanelCondensate Drain Valve5. Electric Main Motor 2, 3, 5 or 7.5 hp 1800 rpm NEMA Premium Efficient – Severe Duty Simplex package – 1 motor Multiplex package – 1 motor per scroll pump TEFC standard6. SRL Scroll Pump Simplex – 1 scroll pump Multiplex – up to 6 scroll pumps No disassembly needed for normal maintenanceMulti-Stage Cooling Reduces Needfor High Temp Dryers10. Primary Aftercooler11. Air Receiver Tank Helps dissipate heat Reduces starts and stops, which helpsreduce stress on scroll pump12. Ventilating Fan — provides secondaryaftercooling7. Intake Air Filter8. Rubber Vibration Isolators — helpreduce vibration and operating noise9. Discharge Stop ValveSRL Series – Controller41265371. Digital Display — shows discharge pressure; total run hours; alarm/errors (if applicable)2. Indicator Lights — top Discharge Pressure (psig); bottom Operating Time (x10 Hours)3. Screen Shift Switch — toggles display4. Compressor Operation Light — shows green while compressor is in operation5. Control Mode Switch (Multiplex Models Only) — changes compressor control modes6. Maintenance Alert — Light shows when maintenance intervals have been reached7. Compressor Start/Stop Switches7
Technical SPECIFICATIONSFor more information, contact yourlocal authorized Sullair distributor.SRL SERIES — 60 HZPumpSimplexMultiplexModelhpkWRatedPressure (psig)cfm*Outlet(NPT)Weightlbs (kg)SRL1.521.51205.73 8373 (169)SRL2.232.2120-1458.53 8406 (184)SRL3.753.712014.13 8485 (220)SRL5.57.55.5120 14521.23 8551 (250)SRL7.5107.5122–14530.23/4888 (403)SRL111511122–14543.13/4992 (450)SRL16.52216.5122–14564.611367 (620)SRL223022122–14586.211/22249 (1020)SRL334433122–145129.311/22778 (1260)Widthin (mm)Depthin (mm)Heightin (mm)27 (695)28 (700)45 (1145)31 (800)30 (750)47 (1190)42.5 (108030.3 (770)53 (1345)54.3 (1380)30.3 (770)58.9 (1495)58.9 (1495)57.9 (1470)59.1 (1500)* cfm at lowest pressure ratingQuiet OperationSRL Series compressors are not just quiet — they are super quiet. Noise levels as low as 48 dBAmake Sullair SRL Series compressors suitable for indoor applications and do not require a separatesound attenuated room. In fact, these compressors may be installed at point-of-use which resultsin lower installation and piping costs.Comparative Noise LevelsdBA40 LibraryAs low as 48SRL Series50 Rainfall55Coffee percolator60Sewing machine70Freeway traffic80 DoorbelldBA8590100110120130HNoisy restaurantTractorFactory machineryLeaf blowerThunderJackhammerWDSource: Center for Hearing and Communication 2018 Sullair, LLC. All rights reserved. Specifications, including appearance, subject to change without notice. SAPSRL201804-2The Sullair symbol and Sullair wordmark are registered trademarks of Sullair, LLC.Original SRL Series products designed by Hitachi Industrial Equipment Systems Co., Ltd.
When Sullair became A Hitachi Group Company in July, 2017 — two compressor titans joined forces — bringing customers more solutions to achieve their compressed air needs. Since 1965, Sullair has been recognized worldwide as an innovator and leader in rotary screw compression and vacuum
