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The DO49R is a single-shaft gas turbine featuring a built-in coaxial reduction gear, applied to drive the electric generators within low capacity power plants (from 2.5 to 15 MW and above).


• UEC-Saturn: development, production and after-sale services of the industrial gas turbines
• Engineering, procurement and construction of the energy facilities are made by UEC - Gas Turbines (UEC) or by other EPC-contractor at Customer’s option

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Design features

• built-in coaxial reduction gear (reduction ratio 1:4.66)

• 10-stage axial-centrifugal compressor

• tubular combustion chamber (2 flame tubes)

• 3-stage compressor turbine


Gas turbine DO49R
Power output (ISO 2314), MW 2.85
Efficiency (ISO 2314), % 28.0
Output shaft speed, rpm 3000
Usable fuelgaseous / diesel fuel
Fuel consumption (at nominal power), kg/h733 / 856
Exhaust gas temperature, °C470
Exhaust gas flow, kg/s15
Dimensions (L х B х H), m 2.86 х 1.38 х 1.92
Weight (on frame), t 3.5

For reference purposes. Specifications depend on the facility type and equipment applied.


• single-shaft design provides a high quality of output energy and good behavior at the unsteady conditions

• high fuel efficiency, that allows to reduce the cost of energy produced

• modular replacement of the gas turbine, reduction gear, other components in operation

• high sulfur corrosion and maritime climate resistance

• possibility to use the different fuels: gaseous fuels (natural gas, oil gas) and liquid fuels (kerosene, diesel fuel)

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The DO49R gas turbine is the base for the GTES-2.5/5.0/etc. power plants rated at low output capacity (from 2.5 to 15 MW and above), designed for heat and electric power generation in simple and cogeneration cycles.


The GTES-2.5 is the automated block-module complex of technological equipment, designed for power supply of communities, industrial facilities, housing and communal services, various facilities in heavy to access regions (the Far North, mountains, oil and gas fields), in emergency situations, and more

• possibility to operate in simple or cogeneration cycles (depending on the season and demand structure)

• can be operated as the main or auxiliary / emergency source of heat and electric power source

• can be operated independently, in parallel with other power sources or in parallel with the main power system in base, intermediate or peak loads

• high total efficiency in cogeneration cycle, that allows to reduce the cost of energy produced

• environmental friendliness, that lets to place the GTES-2.5 (and other power generating stations based on DO49R) in the urban areas

• possibility to operate on gas fuels (natural gas, oil gas) and liquid fuels (kerosene, diesel fuel, heavy fuel)

• consist of the full-readiness, transportable and quick-assembling blocks for installation in the open-air or indoor facilities

• the block-module configuration ensures the convenience of mounting, operation and maintenance

• flexibility of integration into available power supply systems of housing and communal services, industrial enterprises, other; GTES configuration in accordance with the Customer’s requirements*

* - in accordance with the Customer’s demand, the GTES-2.5/5.0/etc. can be packaged with electric generators of different models / series (featuring similar performances), water exhaust-heat boilers or heat recovery steam generators, and other.


Power station GTES-2.5
Electric power output, MW 2.5
Efficiency (simple cycle), %26.5
Efficiency (cogeneration cycle), % 74.5
Nominal voltage, V6 300 / 10 500
Electric current frequency, Hz 50
Dimensions (L x B x H), m12.84 x 3.2 x 2.85

For reference purposes. Specifications depend on the facility type and equipment applied.

АО «Объединенная двигателестроительная корпорация» (ОДК)

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