Product information

ABB TurbochargingRR

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Proven reliability over the yearsRR turbochargers combine high efficiency with small size.

These high-output turbochargers are mainly designed for useon high-speed diesel engines and on gas engines for an output range from about 500 kW up to 1800 kW per turbo -charger. They are noteworthy for their high efficiency andsmall size. The RR turbochargers are equipped with pressure-lubricated internal bearings and externally mounted “mixed-flow” turbines and radial compressors. They are lubricated viathe oil system of the engine using standard oil filters.

The high efficiency of these turbochargers results in lowerengine fuel consumption. Owing to the wide range covered by the compressor characteristic and the high efficiency of the turbine, the thermodynamic behaviour of the RR is excellent.

With their wide compressor characteristic for compressorpressure ratios up to 3.5 and their high efficiency, RR turbo -chargers are ideal for diesel and gas engines developed forhigher outputs and improved fuel consumption.

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Benefits that add upCustomers and end-users can rely on the world’s premier salesand service support network.

Major benefits

Close contact with the diesel engine industry and a wealth of field

experience enable ABB to provide expert advice on all questions

connected with turbocharging.

ABB application engineers are highly experienced specialists who can

be called in to advise on solutions to any problems. Since ABB is a totally

independent company, it can be consulted with confidence at an early

stage.

RR turbochargers are of extremely robust design, dimensioned to last

the useful life of the engine and undemanding in operation.

High reliability is achieved through a commitment to highest

manufacturing quality and close tolerances. All spare parts can be

used without re-machining.

All RR turbochargers are provided with water connections at the

compressor end, enabling them to be washed with water in service.

As back-up in all operational questions, ABB has a special team

of experienced engineers permanently on call.

ABB’s worldwide service network ensures fast, efficient response

around the clock.

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The diagram shows the field of application of the various sizes of turbocharger and allows a rough choice of RR turbocharger for a given type of engine.

The correct final choice of turbo charger size, turbine andcompressor size, as well as specifications of the turbine casing and the diffuser, will be made by our application engi-neers based on the actual application.

ABB’s wealth of experience ensures that the most suitableturbocharging system will be specified for your particularengine.

Power range

Volume flow

2.5

3.0

3.5

4.0

4.5

�c [-]

at M

CR

V [m3/s]

RR

131

RR

151

RR

181

RR

221

0.5 1.51.0 2.0 2.5 3.5 4.0 4.53.0C

omp

ress

or p

ress

ure

ratio

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Design featuresCasing dimensions

Normally, the turbo chargers are mounted on the gas inlet oroutlet flange of the turbine casing. As an alternative, they can be mounted on brackets, to which the bearing casing isbolted and which have to be supplied by the customer.

Design variants

Turbine casing 1 (or 2) gas inlets (tangential)

Compressor casing 1 air outlet (tangential)

Bearing housing Uncooled or cooled

Alternative air intake Radial air suction branch or filter-silencer

To ensure optimum mounting of the turbocharger on theengine, the air, bearing and gas casings are separate and can be turned relative to one another.

Type A B C D E F G H I Weight kg*

RR 131 210.0 375.5 326.5 314.0 106.0 130.0 182.0 121.0 141.0 64.0

RR 151 232.5 432.5 371.5 362.0 121.0 139.5 210.0 140.0 161.5 103.0

RR 181 284.5 527.5 488.0 443.0 148.0 170.5 258.0 170.5 197.5 184.0

RR 221 348.5 642.0 585.5 542.0 181.0 209.0 314.0 255.0 241.5 334.0

* without filter silencer /suction branch and without cooling water

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ABB Turbocharging service network

ABB Turbo Systems LtdBruggerstrasse 71 aCH-5401 Baden/SwitzerlandPhone: +41 58 585 7777Fax: +41 58 585 5144E-mail: turbocharging@ch.abb.com

www.abb.com/turbocharging

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