Gas Turbine Rotor Services, Repair, and Lifetime Extension

PSM’s Rotor Services deliver advanced solutions for managing gas turbine rotors, from proactive maintenance and performance upgrades to full lifetime extension. Built on deep engineering expertise and hands-on repair execution, our offerings bolster rotor integrity,reduce unplanned downtime, and maximize asset value for GE and Siemens/MHI frames including 501F, 7F, 9F, 6B, 7B/E, and 9E.

Full Rotor Management

Avoid unexpected failures with our proactive rotor management program.

We handle Gas Turbine Frames GE & SW/MHI 501F / 7F / 9F, 6B / 7B & E, & 9E with the following capabilties:

• Unstack, deblade and restack with tip grind of new blades
• Complete rotor structural analysis to support repairs
• Own design blading with reliability improvements (501F, 701F, 7FA, 9FA)
• Compressor clocking optimization
• Blade slot crack blending
• RO retention plug modification (7F)
• Compressor thru-bolt inspection (501F)

Rotating Equipment Repairs

Leverage PSM’s state-of-the-art workshops for precise rotor repairs:

• Rotor removal
• Rotor inspection, ship and installation
• Workshop capability to inspect, assemble, repair and balance
• Analysis for Disk Repair approaches
• Life Evaluation/Extension
• Supplies required parts that include blades, fasteners and disks
• Nickel Turbine Wheel/Disk production
• Rotor exchange program

With ISO‑certified processes and advanced tooling, we ensure pinpoint accuracy and repeatability.