GE Frame 7FA Frame 6FA Frame 9FA Repairs

Stage 1 Nozzles – Extended Life Repairs

• High strength LPM® process for heavy crack repair
• Outperforms conventional welding
• Advanced internal coatings and TBC external coatings
• Cooling modification/upgrade

Stage 2 and 3 Nozzles – Extended Life Repairs

• High strength LPM® process for heavy crack repairs –
• Outperforms conventional welding
• Precision re-machining – removes distortion and downstream lean
• Upgrade cooling cores to latest standard
• Upgrade with advanced TBC and/or aluminide coating

GE Frame 7FA Frame 6FA Frame 9FA Repairs

Stage 1 Bucket Repairs – Full-Life Refurbishment and Upgrade 

• Oxidation resistant weld alloy – restores metal loss and upgrades tip durability
• FSR^® - Full Solution Rejuvenation^® heat treatment process – restores alloy strength
• Full coating replacement
  • Option 1: internal and external - MCrAlY plus over aluminizing coating or
  • Option 2: internal and external - MCrAlY plus DVC-TBC coating 

Stage 2 Bucket Repairs – Upgrade and Extend Service Life 

• Full strip and re-coat
• High strength LPM® Process – restores shroud lift and twist distortion
• FSR^® - Full Solution Rejuvenation^® heat treatment process – restores alloy strength
• Upgrade shroud design – re-profile shroud to relieve stress concentrations
• TBC Coating option available 

Stage 3 Buckets – Restore and Upgrade 

• Restore shroud z-notch surfaces and dimensions
• Upgrade with new diffusion aluminide airfoil coating