Technical Data
All data provided in this document is non-binding. This data serves informational
purposes only and is especially not guaranteed in any way. Depending on the
subsequent specific individual projects, the relevant data may be subject to
changes and will be assessed and determined individually for each project. This
will depend on the particular characteristics of each individual project, especially
specific site and operational conditions. Copyright © MAN Diesel & Turbo.
D02082017R1EN Printed in Germany GMC-OBH07131.5
Driver
Electric motor, gas turbine or steam turbine
Min. suction pressure [bara]
≤1
Discharge pressure [bara]
Max. 800 bara (calculated & designed)
Tested and referenced up to 650 bara
Flow rate [m 3/h]
Max. 230,000 m 3/h
Power range [MW]
Up to 60 MW
Efficiency [%]
approx. > 80% overall efficiency possible
No of impeller stages
Max. 10
Table of modular, pre-engineered design
Modular, pre-engineered design
Customized
Casing CasingCasingCasingCasing VHP*
RB sizes
(C28) (C35)
(C45)
(C56)
(Cxx - C112)
applications
Design pressure
500
160
180
130
-
e.g. 800
bar absolute
for RB 28
Average inlet 2,000
6,000
volume flow Am3/h
Length [mm]
1,350
1,600
14,000
22,000
< 230,000
-
1,880
2,500
4,500
adapted
MAN Diesel & Turbo SE
Stadtbachstr. 1
86153 Augsburg, Germany
Outer casing inner
670
900
1,250
1,500
-
-
diameter [mm]
Max. power MW
20
30
40
60
www.mandieselturbo.com
*Very High Pressure
MAN Diesel & Turbo Schweiz AG
Center of Competence for RB
Hardtstr. 319
8005 Zürich, Schweiz
Phone+41 44 278-2211
Fax+41 44 278-2261
RB Skid
Compressor RB type
Driver
Coupling
DGS panel
Gear
Lube oil system
integrated or
separate
Base frame
MAN Diesel & Turbo – a member of the MAN Group
RB – Barrel type centrifugal compressors
5
RB
Barrel type centrifugal compressors
RB – Barrel Type Centrifugal Compressors
Base characteristics
The MAN Diesel & Turbo barrel type
rack. Depending on gas composition, a
compressor is a single-shaft centrifugal
seal gas conditioning unit (booster and
compressor for applications in Oil &
heater) or an external seal gas source
Multistage compressor design
Gas, HPI/CPI, petrochemical process-
may be required for start-up and settle-

Design according to API and NACE
es and gas transport. Its cost effective
out conditions.

Up to 3 compressor sections for side stream, or intercooling between design comes in various frame sizes.
Features
Benefits
Referenced impeller family
Compact and high efficiency impeller
(low and high pressure applications)
technology which can be used to com-
Inlet flow rates range from 200 to
The lube oil system (if applicable) can be
stage groups
press hydro carbon gases, carbon dioxide,
230,000 Am3/h and discharge pressures
integrated into the compressor base

dry air and nitrogen up to 800 bara.
go up to 800 bar.
frame or stand alone on a skid. The po-
gear
sition of this unit depends on the appli-

Maximum of 10 impeller stages
MAN’s RB centrifugal compressor allows
cation (onshore or offshore) and on

Closed impellers which can be for different numbers of impellers – up
pitch and roll rates (if applicable).
manufactured by (integral) milling, Every shaft is equipped with tilting pad
Modular configuration

Impeller sizes: from 250 to 1,350 mm
bearings. The RB compressor outer
The modular configuration ranges from

Nozzles: studded or flanged
casing is forged and covers a complete
pre-designed RB compressor packag-
cartridge. The inner cartridge is cast,
es for the upstream, midstream, down-
Base frame skid (if applicable)
steel plate material is available as an
stream and industrial gases market

Single lift or separate
ponents (inner casing, casing covers, DGS,
option. Compact cartridge design allows
segments up to completely customzied

Pitch ‘n’ Roll – anti-vibration-mounts bearing) – easy and fast dis-/assembly and
easy dis-/assembly.
barrel compressors e.g. for VHP and
(AVM) for FPSO’s and platforms, multi-
CO2 applications. Using predesigned
point or 3-point mount for damping
For most applications, MAN offers a
components has the advantage of em-
Direct drive or speed in-/decreasing Outer casing
Energy and cost savings.
Modular train design
welding, brazing or spark eroding
to 10 stages for a single-shaft rotor.
package design, which significantly re-
ploying proven designs, lowering lead
Unit control system
duces on-site installation time. This in-
times and results in cost advantages.

Anti surge control system

Performance and load share
cludes the RB compressor as core unit,
Several design options for each frame size.
Intercooling between stage groups possible.
Referenced modular components
Proven, powerful and reliable design concept.
Cartridge design
The RB cartridge contains all com-
storage.
Modularly designed sealing systems
Several sealing options, e.g. dry gas seals
(for different pressure levels)
(tandem and double (back-to-back) and
labyrinth seals, hole pattern.
as well as driver, gearbox (if applicable),
Applications
control system
lube oil system, seal gas rack, on skid


process piping and auxiliaries.
export, gas injection, gas gathering, (e.g. vibration monitoring) combined gas treatment, gas processing, CO2 with SIL capable ESD systems
Usually, stationary and rotating laby-
injection, LNG, boil off, gas transport, 
Start up and stop sequencing

Hydro carbons (natural/fuel gas/sour gas)
rinth strips are mounted at the impellers
liquefied petroleum gas

Human machine interface with 
Dry and atmospheric air
and the balance piston for sealing pur-

visualization

Carbon dioxide

Oxygen (requires modifications),
chlorine, refrigerants
Upstream: oil & gas i.e. gas lift, gas Midstream: gas transport, gas storage, fuel gas, CAES

applications, hole pattern seals will be

Siemens PCS7
mounted at the balance piston.
chemical & petrochemical, i.e. Downstream: refineries, fertilizers, Direct drive or speed in-/decreasing gear
Machinery protection systems
poses. Only for very high pressure (VHP)
Compatible for electric motor, gas turbine
or steam turbine drivers.
Impellers
Suitable for a wide range of gases
Control systems based on
To be used for:
hydrogen production, hydrogen Service (reliability and availability)
Sealing to atmosphere is done with dry
recovery, hydro cracking. Desul-

gas seals (DGS), which can be either a
furization, FCC, propane dehydra-
first implemented in 1968
for sour/wet gas applications (according
tandem DGS (suction pressure ≥ 3.5
tion, methanol, olefins, IGCC, 
to NACE).
bar/g) or double – also called back-to-
Coal-to-Liquids, GTL-Syngas, 38 Mio operating hours
ammonia, urea, nitric acid

Designed for reliability >= 98.5%


World wide PrimeServ support back – (suction pressure < 3.5 bar/g).
Industrial gases: air separation, The barrel type compressor was Proven track record of more than
The entire seal gas and bearing separa-
nitrogen, oxygen, paper, coke oven, services for the entire product life tion (buffer) gas distribution and control
GTL, CTL
cycle: spare parts, overhauls, repairs, system is arranged on the dry gas seal

revamps/modernization and training
2
RB – Barrel type centrifugal compressors
Power generation: fuel gas, CCS
Nozzles
Materials
Depending on the specific application:
Cartridge containing inner casing including
impellers and diffusors
Inlet volut
Bearing housing
Forged casing cover
extensive experience with special materials
RB – Barrel type centrifugal compressors
3
RB – Barrel type centrifugal compressors
4