end

Power turbinesPower turbines

end

Power turbinesPower turbines

009666/01 PPT26/03/99

end

009666/03 PPT26/03/99

Gas generator and power turbineGas generator and power turbine

end

Long service life / 100,000 hours average design life

For gas generator servicing, power turbine remains in place - alignment is

not disturbed

“Industrial” type construction

Infinite life hydrodynamic bearings

Overhung rotor design - no hot bearings

Cooper pioneered the aeroderivative gas turbine concept

It is now the standard prime mover concept for oil and gas production and

pipeline power

Long service life / 100,000 hours average design life

For gas generator servicing, power turbine remains in place - alignment is

not disturbed

“Industrial” type construction

Infinite life hydrodynamic bearings

Overhung rotor design - no hot bearings

Cooper pioneered the aeroderivative gas turbine concept

It is now the standard prime mover concept for oil and gas production and

pipeline power

Basic philosophy of power turbinesBasic philosophy of power turbines

009666/02 PPT26/03/99

end

Active power turbine framesActive power turbine frames

009666/10 PPT26/03/99

RT48S RT56 RT62 RT61 RT21 RT24

Number of stages 2 2 2 3 2 2

Gas generators All Avon Mks All Avon Mks RB211-24C + G RB211-24G-T + RRA 501-KC5 RRA 501-KC7

thru RB211-26G

Normal blade tip diameter (in / mm) 48.2/1224 55.4/1407 62.1/1577 60.6/1539 20.7/526 24.0/610

Current ISO rating (shp / skw) 20400/15200 33600/25000 38000/28600 42600/31800 5500/4100 7200/5370

Rated speed (rpm) 5500 4950 4800 4850 13600 13800

Cooling arrangement Stage 1 Stage 1 Stages 1 & 2 Stages 1, 2 & 3 Stage 1 Stage 1 Front face Front face Faces Faces Front face Front face

Support system Single aft Front & aft Front & aft Centre frame Centre frame Centre frame pedestal supports supports and struts and struts and struts

Torque transmission T-pins Curvic Curvic Curvic Curvic Curvic and slots couplings couplings couplings couplings couplings

Auxiliary pump drive Yes Yes Yes Yes Yes Yes

Blade tip sealing Interlocked Interlocked Interlocked Interlocked Stage 1 Interlocked tip shrouds tip shrouds tip shrouds tip shrouds tip shrouds tip shrouds

RT48S RT56 RT62 RT61 RT21 RT24

Number of stages 2 2 2 3 2 2

Gas generators All Avon Mks All Avon Mks RB211-24C + G RB211-24G-T + RRA 501-KC5 RRA 501-KC7

thru RB211-26G

Normal blade tip diameter (in / mm) 48.2/1224 55.4/1407 62.1/1577 60.6/1539 20.7/526 24.0/610

Current ISO rating (shp / skw) 20400/15200 33600/25000 38000/28600 42600/31800 5500/4100 7200/5370

Rated speed (rpm) 5500 4950 4800 4850 13600 13800

Cooling arrangement Stage 1 Stage 1 Stages 1 & 2 Stages 1, 2 & 3 Stage 1 Stage 1 Front face Front face Faces Faces Front face Front face

Support system Single aft Front & aft Front & aft Centre frame Centre frame Centre frame pedestal supports supports and struts and struts and struts

Torque transmission T-pins Curvic Curvic Curvic Curvic Curvic and slots couplings couplings couplings couplings couplings

Auxiliary pump drive Yes Yes Yes Yes Yes Yes

Blade tip sealing Interlocked Interlocked Interlocked Interlocked Stage 1 Interlocked tip shrouds tip shrouds tip shrouds tip shrouds tip shrouds tip shrouds

end

The COBERRA 6761The COBERRA 6761

The latest step in a continuous product development

programto meet the needs of customers

The latest step in a continuous product development

programto meet the needs of customers

009666/09 PPT26/03/99

end

RT61 power turbine advancementsRT61 power turbine advancements

Highest efficiency levels

Modular construction to reduce maintenance downtime

Vertically split bearing case design

Highest efficiency levels

Modular construction to reduce maintenance downtime

Vertically split bearing case design

end

RT61 power turbineRT61 power turbine

Modular construction for ease of maintenanceModular construction for ease of maintenance

Exhaust moduleExhaust moduleInlet

moduleInlet

moduleFrame

moduleFrame

moduleBearingmoduleBearingmodule

Turbine module (rotor and stator)Turbine module (rotor and stator)

end

Power turbine experiencePower turbine experience

Current Nominal

Active Model Gas Generators Ratings (kW) Rated Speed Introduction Units

RT21 CR501-KC5 4100 13600 1998 5

RT24 CR501-KC7 5370 13800 1999 1

RT48 P&W GG3 + Avon 15200 5500 1959 325

RT56 Avon + RB211 26000 4950 1973 175

RT62 RB211 29600 4800 1988 135

RT61 RB211 31800 4850 1999 1

642

Current Nominal

Active Model Gas Generators Ratings (kW) Rated Speed Introduction Units

RT21 CR501-KC5 4100 13600 1998 5

RT24 CR501-KC7 5370 13800 1999 1

RT48 P&W GG3 + Avon 15200 5500 1959 325

RT56 Avon + RB211 26000 4950 1973 175

RT62 RB211 29600 4800 1988 135

RT61 RB211 31800 4850 1999 1

642

Older Power Turbines For The Following Gas Generators:

P&W GG4 & 12, CES RCT-30, RR Spey, GE LM2500, Solar Mars, Total 101

Grand Total 743

Older Power Turbines For The Following Gas Generators:

P&W GG4 & 12, CES RCT-30, RR Spey, GE LM2500, Solar Mars, Total 101

Grand Total 743

end

SummarySummary

Cooper-Bessemer pioneered the concept of aeroderivative gas turbines

Unsurpassed experience in mechanical drives for the oil and gas industry

The RT61 power turbine features state-of- the-art aerodynamic and

structural design

Offers highest efficiency and integrity with modular construction for

minimum downtime

Cooper-Bessemer pioneered the concept of aeroderivative gas turbines

Unsurpassed experience in mechanical drives for the oil and gas industry

The RT61 power turbine features state-of- the-art aerodynamic and

structural design

Offers highest efficiency and integrity with modular construction for

minimum downtime

end

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