HGTP Rotor Services for Gas Turbines

Rotor Services for Gas Turbines

Our HGTP facility specializes in comprehensive rotor restoration, life extension, and precision engineering solutions designed to support long-term turbine performance. From inspections to complete overhauls, we deliver tailored services for operators of GE® heavy-duty frames including 5, 6B, 7B/E/EA, and 7FA.

Key Service Capabilities

• Precision disassembly and reassembly of rotors using specialized elevator handling systems

• Replacement or refurbishment of turbine buckets, compressor blades, and wheel components

• Advanced blade tip re-profiling, blending, and clash mitigation to restore aerodynamic integrity

• Certified removal and installation of buckets by experienced technicians

• Machining of couplings, journals, and thrust collars to exact specifications

• Casing and housing restoration for improved fit and sealing performance

Inspection & Engineering Support
Our engineers perform in-depth non-destructive evaluations and complete life-cycle assessments of rotor assemblies. Services include:

• Standard inspection with detailed advisory reports

• End-of-life evaluations for aging fleets

• Engineering analysis for life extension and performance improvement

• Computational modeling to support modifications and upgrades

• Supply and integration of new compressor disks, turbine wheels, and other OEM-equivalent parts

Rotor Reconditioning Expertise
With extensive experience across multiple GE® frame types, our team provides reliable rotor unstacking, restacking, and modification support. Whether addressing thrust collar updates, journal machining, or component replacements, we ensure each rotor returns to service with maximum reliability and minimal outage impact.

By combining technical expertise with precision equipment, our St. Louis operation delivers rotor repair solutions that reduce downtime, extend operating life, and optimize turbine performance.