Product information
ABB Turbocharging RR
Proven reliability over the years RR turbochargers combine high efficiency with small size.
These high-output turbochargers are mainly designed for use on 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 and small size. The RR turbochargers are equipped with pressurelubricated internal bearings and externally mounted “mixedflow” turbines and radial compressors. They are lubricated via the oil system of the engine using standard oil filters.
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The high efficiency of these turbochargers results in lower engine 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 compressor pressure ratios up to 3.5 and their high efficiency, RR turbo chargers are ideal for diesel and gas engines developed for higher outputs and improved fuel consumption.
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Benefits that add up Customers and end-users can rely on the world’s premier sales and 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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4.5 4.0 3.5 3.0 at MCR
ABB’s wealth of experience ensures that the most suitable turbocharging system will be specified for your particular engine.
c [-]
Compressor pressure ratio
The correct final choice of turbocharger size, turbine and compressor size, as well as specifications of the turbine casing and the diffuser, will be made by our application engineers based on the actual application.
RR 221
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.
RR 181
RR 131 RR 151
Power range
2.5 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
V [m3/s]
Volume flow
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Design features Casing dimensions
Normally, the turbochargers are mounted on the gas inlet or outlet flange of the turbine casing. As an alternative, they can be mounted on brackets, to which the bearing casing is bolted and which have to be supplied by the customer.
To ensure optimum mounting of the turbocharger on the engine, the air, bearing and gas casings are separate and can be turned relative to one another.
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
E
F
E
D
X
I
Type
E
F
B
H
X
X
A
G
F
C
A
A
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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CHTUS-1140-1108-5000-EN
© 2011 ABB Turbo Systems Ltd, Baden / Switzerland
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ABB Turbo Systems Ltd Bruggerstrasse 71 a CH-5401 Baden / Switzerland Phone: +41 58 585 7777 Fax: +41 58 585 5144 E-mail:
[email protected] www.abb.com/turbocharging