Steam Turbine Repair Services

Do you have a steam turbine project we can help with?

OEM-Quality Steam Turbine Repair & Maintenance

At FOX Innovation & Technologies (FIT), we specialize in comprehensive steam turbine repair, overhaul, and field maintenance. From minor component replacement to major turbine rotor work, our highly trained technicians deliver solutions that enhance performance, reliability, and lifespan—without the OEM lead times or limitations.

With operations spanning North America, Europe, and South America, FOX brings global reach and deep turbine expertise to every project.

Steam Turbine Maintenance & Repair Services:

Our expert field teams and engineering support staff deliver high-quality steam turbine services across all major industries. From scheduled outages to 24/7 emergency repairs, FIT is the partner of choice for critical rotating equipment support.

Our capabilities include:

  • Full turbine disassembly & inspection. Open-Clean- Inspect & Close (OCIC)

  • Rotor service, overhauls and balancing:

    • Rotor disassembly and cleaning

    • Detailed NDE (non-destructive examination) and dimensional inspections

    • Bore and journal repairs (in place or removed)

    • Low- and high-speed balancing

    • Blade replacement, welding, or machining

    • Rotating Seal Inspection and Refurbishment

    • In-shop dynamic balancing with QA certification

  •   Valve and actuator inspections, repairs, and retrofits:

    • Detailed valve condition assessments

      • Blasting, NDE, Dimensional (Clearances /TEOT), Lapping/Contact Check, Reassembly with Stroke/Verification

    • Hydraulic and pneumatic actuator testing

    • Replacement of worn or malfunctioning valve internals

    • Inspection & Calibration of control valves and linkages

    • Upgrades to modern actuator systems for improved reliability (EHC)

    • Complete Engineering assessments with logistics and software interface controls and modules

  • Steam path and diaphragm alignment and inspections:

    • Upper and lower casing fit-up verification w Metrology Inspection

    • Diaphragm bore and hook fit inspections

    • Seal Strip, Caulking strip and stationary seal refurbishments

    • Diaphragm Sealing surface inspection w weld repairs

    • Nozzle segment condition evaluations and weld repairs

    • Blade tip and seal surface inspections

    • In-situ diaphragm machining and bolt hole repairs

    • Measurement and adjustment of clearances to optimize flow and efficiency

  • Rotor-train Alignment:

    • Comprehensive alignment of multi-machine train systems (e.g., turbine to turbine, gearbox, generator)

    • Hot and cold alignment analysis

    • Dynamic thermal growth and operating condition compensation

    • Laser-based shaft alignment and optical verification

    • Complete documentation and certification for regulatory and QA compliance

    • Vibration optimization & Troubleshooting

    • Shell/casing Thermodynamic growth analysis

    • Efficiency Evaluation with emphasis on Carbon Reduction

  •  Casing, seal, and pedestal service/refurbishment, machining, & Alignment

  • Generator alignments, balancing & electrical testing:

    • In-place/robotic inspection of generator windings

    • Polarization index (PI) testing

    • Insulation resistance (IR) testing

    • Wedge tightness and end winding bracing inspections

    • Visual inspections and borescope evaluations

    • Hydrogen Seal Inspections, Replacements, and Service

    • Rotor and Stator Dry Ice Blasting

  •  Complete Bearing Inspections:

    • NDE techniques, including dye penetrant, ultrasonic, and eddy current

    • Alignment and fit-up analysis of bearing housings

    • Shaft journal and bearing surface inspections

    • Precision measurement of clearances and tolerances – Analogue and 3D

    • Recommendations for re-babbitting or replacement

    • Post rotor alignment bearing alignment checks – Twist & Tilt

    • Bearing Design & Material Custom Upgrades

  •  Lubrication System Inspections

    • Comprehensive inspection of lube oil skids and pump assemblies

    • Main Oil Pumps (MOP), Auxiliary Oil Pumps (AOP), and Emergency systems

    • High-Velocity Oil Flush (HVOF) for removing varnish and particulate buildup

    • ISO 4406 oil cleanliness sampling and compliance (17/15/12 or better)

    • Filter integrity checks and oil quality diagnostics

    • Piping and instrumentation review for leaks, restrictions, or improper routing

    • Support for commissioning, upgrades, and long-term maintenance plans

  • Metrology Services:

    • Precision onsite measurement using laser tracker-based systems

    • Troubleshooting of casing distortion, shell warping, and thermal growth behavior

    • Full-dimensional inspections of turbine components, diaphragms, and bearing pedestals

    • Steam path alignment analysis and casing-to-rotor fit-up verification

    • Support for outage planning, reverse engineering, and QA documentation

Steam Turbine Field Upgrades & Engineering Solutions

FOX engineers work with plant operators to identify performance improvement opportunities:

  • Reverse engineering of aging or obsolete parts

  • Custom coatings & wear surface upgrades

  • Efficiency tuning & revamp design

  • Steam path redesign consulting

  • Control system retrofits

We tailor upgrades to meet your performance and budget goals—improving output, reducing risk, and extending life.

Steam Turbine Spare Parts & Reverse Engineering

From blade repair to complete rotor components, FIT offers:

  • Replacement and aftermarket turbine parts

  • Reverse engineering of discontinued components

  • Custom-designed seals, nozzles, and buckets

  • Replacement Packing

  • Bearings and precision hardware

All parts are manufactured to meet or exceed OEM standards, with inspection and QA documentation provided.

Why Choose FOX?

Over 200 years of combined steam turbine expertise

Union-trained millwrights and certified foremen

Seamless coordination between field, machining, and engineering

In-house metrology, machining, and control system integration

Request a Quote

Have a steam turbine project or upcoming outage? Reach out today to discover how FOX Innovation & Technologies can become your trusted partner.