7F Frames

Specializing In Retrofittable Solutions and Service

Proven Performance. Lower Emissions. Greater Flexibility.

• The only aftermarket provider of 7F turbine performance upgrades  
• Built on over 25 years of engineering innovation, manufactured solutions, and field-proven reliability
• Proven alternative for repairs and long-term service

Why Choose PSM for Your 7F Gas Turbine?

• Increase output by up to 15% (MW)
• Reduce heat rate by 3.2%
• Turndown as low as 26% with 5-10% further reduction capability
•  Expand operating range up to 117% with FlameSheet™, GTOP4.1 and AutoTune (from 7F.03 DLN 2.6 Mark VI, 2x1 combined cycle)
• Seasonal flexibility and fewer starts
• Fleet lessons learned incorporated
• Compatible with original OEM equipment

Component and System Solutions

• Compressor Up-Flow Package: Industry's first R0 blade reliability solution and upgraded stator aero/mechanical designs
• Rotor Life Extension (LTE): Robust inspections, data-based engineering evaluations, advanced rotor designs and rebuilds
• FlameSheet™ Combustion System: TWO combustors in ONE built on 10 years of innovation and experience
• Exhaust Bleed (ExB): Pair with FlameSheet™ for turndown below 26% with minimized need for HRSG attemporation
• GTOP Hot Gas Path: Advanced 3D aerodynamic design with advanced alloys, coatings, and cooling

Gas Turbine Optimization Packages (GTOP)

GTOP 4.1

• 15% MW increase
  
• 3.2% heat rate improvement
• Set-wise compatible with OEM 7F.04 hot gas path

GTOP 3.1

• 8.8% MW increase
• 2.3% heat rate improvement
• OEM 7F.03 compatible

Both GTOP packages include:

• Compressor Up-Flow Package
• FlameSheet™ or Low ΔP combustion system
• Four operating modes to match plant performance goals and inspection intervals
• AutoTune digital tuning technology with FlexSuite

PSM Advanced Digital Solutions

AutoTune

• Eliminates manual tuning via real-time automatic adjustments
• Emissions-compliant and reliable operation across variable load and atmospheric conditions

FlexSuite Control Logic

• Startup time optimization
• Virtual Flame Scanner—no optical hardware required
• Retrofitable alternative to OEM model based control