Oga Sistem Rotor Equipments (OSRE)

Gas Turbine Repair

Complete unit / rotor overhauls
Complete unit skid refurbishment and upgrading
HGP components repairs
¢  Field services
¢  High value parts supply
¢  Maintenance, service, operating contracts
¢  Plant relocations
¢  Remaining life assessments
¢  New / repair bearing (spin casting)

Steam Turbine Repair

¢  Complete unit overhauls
¢  Refurbishment of bent, damaged and broken shafts
¢  Repair, replacement or upgrading of blades
¢  Provision of new or refurbished rotors and unit components
¢  Remaining life assessments
¢  New / repair bearing (spin casting)
¢  Life extension
¢  Mechanical and material upgrade
¢  Rerates
¢  Troubleshooting and field services
¢  Storage solutions
¢  Solutions for erosion, corrosion and contamination
¢  Performance re-rates and vibration analysis

Centrifugal and Axial Compressors

¢  Shafting: repairs, replacements, modifications
¢  New/repair bearing and seals (spin casting)
¢  Replacement impellers and blades
¢  Inspections
¢  Impeller modal testing
¢  Seal modifications
¢  Performance rerates
¢  Impeller and aero assembly coating

HICoat Protective Coatings

¢  Anti Fouling
¢  Anti Corrosion/Erosion
¢  High Velocity Oxygen Fuel

Rotor and Component Repairs

¢  Turnkey repair and restoration of industrial and utility gas turbines
¢  Fully equipped metallurgical laboratory which includes :
—  Scanning electron microscope for component life evaluations
—  Digital x-ray for examining turbine blade internal microstructure
—  Vacuum heat treat furnaces
—  CMM (Coordinate Measurement Machine)
—  CAD documentation
—  3D scanning
—  Thermo graphics analysis
—  Finite element measurement (FEM)

New and Replacement Parts

¢  Offers design and manufacturing capabilities for new components in both hot and cold sections
¢  Parts include:
—  Compressor components
—  Blades (or buckets)
—  Vanes (or nozzles)
—  Combustion hardwar(liners, transition pieces, hot gas casing,inner casing and mixing chambers
—  Consumable parts
—  Tie bolts

Field Services

¢  Serves the needs of rotating equipment operators in the Asia Pacific Region.
¢  Experience Field Service staff is available any time to assist he customer with any problem on their rotating equipment
              “187 years proven globally”

Engineering Services

¢  Mechanical Design Analysis and Evaluation
¢  Performance Evaluations and rerates
¢  Finite Element Stress and Modal Analysis
¢  Vibration Analysis
¢  Lateral and Torsional Rotordynamic Analysis
¢  Material Analysis and Evaluation
¢  Unit Remaining Life Assessment
¢  Reverse Engineering and Design