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Power turbinesPower turbines
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Power turbinesPower turbines
009666/01 PPT26/03/99
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009666/03 PPT26/03/99
Gas generator and power turbineGas generator and power turbine
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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
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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
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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
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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
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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)
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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
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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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