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INGERSOLL-RAND

ingersoll -RANDSIERRA 37-300 kW (50-400 HP)Delivering Compressed Air Solutions for more Than 125 YearsFor more than a century, ingersoll -Randair compressors have helped build dams,bridges and tunnels; produce cars,appliances and electrical equipment; andpackage foods and pharmaceuticals. As more and more companies choseIngersoll- rand air compressors, weanswered the call for new technologiesand updated designs, ensuring that ourcustomers get the maximum benefits fromtheir compressed on OurCustomersIngersoll- rand strives to deliver value toour customers in everything we do. We stayfocused on what you need, remaining trueto our goal: to help you achieve the bestresults possible with your compressed airsupply.

Delivering Compressed Air Solutions For More Than 125 Years For more than a century, Ingersoll-Rand air compressors have helped build dams, bridges and …

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1 ingersoll -RANDSIERRA 37-300 kW (50-400 HP)Delivering Compressed Air Solutions for more Than 125 YearsFor more than a century, ingersoll -Randair compressors have helped build dams,bridges and tunnels; produce cars,appliances and electrical equipment; andpackage foods and pharmaceuticals. As more and more companies choseIngersoll- rand air compressors, weanswered the call for new technologiesand updated designs, ensuring that ourcustomers get the maximum benefits fromtheir compressed on OurCustomersIngersoll- rand strives to deliver value toour customers in everything we do. We stayfocused on what you need, remaining trueto our goal: to help you achieve the bestresults possible with your compressed airsupply.

2 By maintaining solid relationships with ourcustomers, our dedicated sales staff anddistributor network relay changingrequirements to our engineering team. Withthis information, our engineers make designimprovements that ensure that ourcustomers get the quality compressed airthey ve asked for. If you want a single source supplier, youcan count on INGERSOLL-RAND . Whether youneed compressed air systems, parts andservice, or technical support, we will bethere to help your system run at peakefficiency now and in the 5 more THANKNOWLEDGEABLE SALES STAFFYEARS3 TECHNOLOGY LEADERSHIPI ngersoll- rand :Your Oil-Free ResourceIf you need oil-free air, INGERSOLL-RAND ishere to help.

3 We ll listen to what you we ll use our decades of leadershipin the oil-free market to help you designthe best oil-free system for your , we re the only manufacturer that cansupply you with oil-free compressed air inall three technologies: rotary screw,reciprocating and centrifugal. And sinceeach technology has its benefits, we canhelp you select the one that works best foryour ASSISTANCESIERRA: SuperiorTechnologyThe heart of the SIERRAoil-free rotaryscrew air compressor is our superior two-stage compression module. Our rotors areprecision-machined in a twenty-stepmanufacturing process that ensuresunmatched rotor profile accuracy andrepeatability.

4 By using the highest qualitybearings and precision gearing to maintainexact alignment of the rotors, you areassured of years of reliable, sized, anti-friction bearings easily handle all expected loads to keep theairend running smoothly. In the vital sealingarrangement, the SIERRA uses durablestainless steel for the air seals and a time-proven labyrinth design for the oil combination protects the rotors fromlubrication impurities while keeping the lossof air through leakage to an absoluteminimum, ensuring the continuous flow ofclean, oil-free compressed precision gearing incorporated in thecompression module drive design optimizesboth speed and rotor timing.

5 Providingtrouble-free performance over a long the improved lip seal on the bull geardrive input shaft eliminates any opportunityfor oil leakage into the SIERR The Need For BetterOil-Free PerformanceThe challenge: to give our customers anoil-free rotary compressor that operates atpeak performance throughout its a great deal of research, INGERSOLL-RAND found that inferior rotor coatings wearaway over time, leaving the rotorsunprotected and susceptible to impurities inthe air and to the effects of temperaturevariation. Eventually, this leads to reducedperformance or even compressor two years of modification and testing, INGERSOLL-RAND chose the coating thatconsistently outperformed all others inadhesion and durability tests: , we use UltraCoat to protect help our customers get the bestperformance, we didn t limit ourimprovements to the coating.

6 We selectedstainless steel and aluminum for the pipinglinking the intercooler with the stainlesssteel second-stage rotors. Condensationcreated in the cooling process could notcorrode these materials, eliminating thepossibility of rust formation and carry-through, further lengthening the life of thecoating and View of RotorsSurface preparation createsminute crevices in our rotorsthat tightly grip the UltraCoatcoating. The result is the mostdurable performance on themarket, lowering our customers energy costs and increasingthe life of the airend in theirSIERR Acompressor. Rotor SurfaceRotor Coating7 UltraCoat Protection andPerformanceThe first step to full UltraCoat protectionis the superior surface preparation of ourrotors and housings.

7 As the images show,our component surface treatments allowfor the tightest possible grip for the coating. In the next step, UltraCoat is applied usingrobotics for the thinnest, most even coatavailable. Then the rotors and housings areheat-cured to solidify the bond between thecoating and the rotor or housing UltraCoat AdvantageWhen compared with other coatings,UltraCoat is a clear winner. Our customersget near-100% capacity and lower energycosts over a longer airend 500 1,000 2,000 4,000 8,000 16,000 32,000 100%95%90%85%80%75%Hours of Operation% of CapacitySIERRA UltraCoat10% Energy SavingsCompetitive CoatingThe SIERRA PackageTo fit the needs of your compressed airsystem, we offer you the choice of a water-cooled or air-cooled COMPRESSOR PERFORMANCEWith UltraCoat rotor protection and theextensive use of corrosion-resistantmaterials.

8 The two-stage airend gives younear-100% capacity for its life. You also getultimate energy efficiency that will startsaving you money on the first SCREW AIREND When you buy any SIERRA compressor,you get only superior, state-of-the-art rotaryscrew technology. No MATERIALSC ritical components are built from non-corrosive materials to preserve theperformance of the airend and protect thequality of your compressed C AMBIENTSIERRA compressors are designed tooperate in high-ambient conditions, makingthem suitable for locations all over SERVICEABILITYThe SIERRA package is remarkablyuncluttered, making servicing easy.

9 Allcomponents requiring routine maintenanceare readily accessible behind easilyremovable AIR-COOLED PACKAGE9 SIERRA WATER-COOLED PACKAGEPATENTED MOISTURE SEPARATOR DESIGND esigned to eliminate a problem before itstarts, our patented moisture separator, withits unique vortex design, removescondensate before it enters the secondstage of compression. RUGGED MOTOR DESIGNE very SIERRA compressor incorporates adurable high efficiency motor either an IECmotor for 50 Hz applications or a certifiedNEMA motor for 60 Hz applications. AllSIERRA compressors operate well belowthe maximum service factor of our motors,ensuring STARTERThis advanced starter gives the compressora controlled, cushioned start, eliminatingcurrent surges and extending componentlife for increased system OPERATIONThe combination of an inlet sound box anda low sound enclosure design keeps soundlevels at a minimum.

10 What s more , SIERRA compressors have efficient pulsationdampeners on each stage of compression,reducing noise even further while ensuring apulsation-free discharge for smooth air : 76 dB(a) Max. Air-cooled:79 dB(a) Every SIERRA compressor undergoesstate-of-the-art computerized testing toensure that you get the best possibleperformance under varying Gives You TotalControl of YourCompressed Air DeliveryWhether you need eight hours of continuousduty compressed air or an intermittentsupply over a 24 hour period, Intellisys putsyou in complete control. TOTAL CONTROL AT YOUR FINGERTIPSWith finger-touch control, an Intellisyscontroller provides quick, comprehensiveaccess to your compressed air OPERATIONI ntellisys is easy to learn and easy to OPERATING PARAMETERSTo satisfy your system requirements, youcan change your operating parametersquickly and DIAGNOSTICSI ntellisys provides fast diagnosis of systemdemand and displays a warning and/orstops the compressor if it exceeds operatingparameters.


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