Product Description
This comprehensive collection features high-performance, direct-fit spare parts for the SGT5-4000F gas turbine, engineered to replicate OEM performance and durability. The lineup includes precision-cast turbine blades (stages 1-4), 15-stage compressor blades with controlled diffusion airfoil profiles, combustion chamber thermal protection components (ceramic/metal tiles, tile holders), heat-resistant tile fasteners, and high-temperature O-rings. Designed for the rigorous demands of F-class gas turbine operation, these parts combat high-cycle fatigue, thermal stress, erosion, and oxidation—common failure modes that reduce turbine efficiency and trigger costly downtime. Unlike generic alternatives, each component undergoes non-destructive testing (NDT) and dimensional verification to ensure compatibility with the SGT5-4000F’s rotor assembly, combustion shell, and compression system, making this portfolio the gold standard for scheduled overhauls, emergency repairs, and reliability upgrades.
Functional Specifications
- Turbine & Compressor Blades: Forged high-grade alloy blades with thermal barrier coating (turbine stages 1-3) deliver 99.5% aerodynamic efficiency; compressor blades resist inlet debris erosion and maintain pressure ratio stability at 20.1:1 to 21:1, supporting 329-385MW power output.
- Combustion Thermal Components: OS1/OS2/HUB series ceramic tiles withstand continuous temperatures up to 1100°C, reducing heat loss by 35% and protecting the combustion shell from thermal fatigue; tile holders and fasteners (P000034 series) maintain secure tile mounting under high-frequency vibration.
- Sealing & Fastening Components: High-temperature O-rings (P000505 series) create leak-proof seals for fuel and air passages, operating reliably at -40°C to 650°C; diagonal swirler protective tubes shield critical flow components from thermal damage.
Structural Characteristics
All SGT5-4000F spare parts feature OEM-matched geometries for seamless installation: turbine/compressor blades have precision-machined root fir-tree profiles for secure rotor mounting; ceramic thermal tiles have lightweight, low-thermal-conductivity structures with interlocking edges for full combustion shell coverage; tile holders feature reinforced mounting lugs to resist vibration-induced cracking; O-rings use high-temperature elastomer compounds with uniform cross-sections for consistent compression sealing. Critical components are designed for borescope inspection compatibility, allowing visual checks without removing the turbine casing, and support on-site replacement without full rotor destacking.
Applicable Operating Conditions
These spare parts are engineered for the extreme operating environments of the SGT5-4000F gas turbine, including:
- Combined-cycle and simple-cycle power plants (50Hz operation, 3000 rpm rotational speed)
- Combustion chamber environments with continuous temperatures up to 1100°C
- Compressor sections with high-pressure air flow (up to 800 kg/s exhaust mass flow)
- Dual-fuel operation (natural gas, hydrogen-blended fuel, liquid fuel) with up to 30 vol% hydrogen content
- Harsh ambient conditions (sandy, dusty, high-humidity) with inlet air cooling systems (wet compression, evaporative cooling)
Maintenance & Servicing Recommendations
- Pre-Installation Inspection: Conduct NDT (dye penetrant, ultrasonic testing) on blades and thermal tiles to detect hidden cracks; verify dimensional accuracy with OEM specs and clean mounting surfaces to remove carbon deposits and debris.
- Blade Replacement Protocol: Replace compressor blades every 32,000 operating hours and turbine blades every 24,000 hours; align blade root profiles precisely and torque fasteners to specified values to avoid imbalance.
- Thermal Component Maintenance: Inspect ceramic tiles and holders quarterly for cracking or loosening; replace degraded tiles immediately to prevent combustion shell overheating; torque fasteners to maintain consistent clamping force.
- Seal Replacement: Replace O-rings during every major overhaul (16,000 hours) to prevent air/fuel leaks; avoid over-compression to maintain sealing integrity.
- Post-Installation Testing: Perform vibration analysis and pressure testing after installation; conduct borescope inspection to confirm proper positioning of blades, tiles, and seals before restarting turbine operation.
We supply the following spare parts:
| № | Description | Part Number |
| 1 | TURBINE BLADE 1 | P0001780200 |
| 2 | TURBINE BLADE 2 | PG0040948400 |
| 3 | TURBINE BLADE 3 | PB0000284514 |
| 4 | TURBINE BLADE 4 | P0001204300 |
| 5 | COMPRESSOR BLADE 1 | PG0033378800 |
| 6 | COMPRESSOR BLADE 2 | PG0033379200 |
| 7 | COMPRESSOR BLADE 3 | PG0033381500 |
| 8 | COMPRESSOR BLADE 4 | PG0033381700 |
| 9 | COMPRESSOR BLADE 5 | PG0033381800 |
| 10 | COMPRESSOR BLADE 6 | PG0033381900 |
| 11 | COMPRESSOR BLADE 7 | PB0000193944 |
| 12 | COMPRESSOR BLADE 8 | PB0000193946 |
| 13 | COMPRESSOR BLADE 9 | PB0000040906 |
| 14 | COMPRESSOR BLADE 10 | PB0000283976 |
| 15 | COMPRESSOR BLADE 11 | PB0000203127 |
| 16 | COMPRESSOR BLADE 12 | PB0000259219 |
| 17 | COMPRESSOR BLADE 13 | PB0000282030 |
| 18 | COMPRESSOR BLADE 14 | PB0000282031 |
| 19 | COMPRESSOR BLADE 15 | PB0000278810 |
| 20 | Element “A” for fastening heat-resistant tiles to the shell of the combustion chamber | P0000340100 |
| 21 | Element “A” for fastening heat-resistant tiles to the shell of the combustion chamber | P0000340200 |
| 22 | Element “A” for fastening heat-resistant tiles to the shell of the combustion chamber | P0000340300 |
| 23 | Element “A” for fastening heat-resistant tiles to the shell of the combustion chamber | P0000340400 |
| 24 | Tile holder | P0000340500 |
| 25 | Tile holder | P0000340600 |
| 26 | Tile holder | P0000340700 |
| 27 | Tile holder | P0000340800 |
| 28 | Thermal protection ceramic tiles OS1 | P0006350200 |
| 29 | Thermal protective ceramic frame OS1 | P0006350400 |
| 30 | Thermal protection ceramic tiles OS2 | P0006359500 |
| 31 | Thermal protection ceramic tiles OS4 | P0006359800 |
| 32 | Thermal protection ceramic tiles HUB1 | P0006361200 |
| 33 | Thermal protection ceramic tiles HUB6 | P0006362000 |
| 34 | Thermal protection metal tiles OS6 | P0010213100 |
| 35 | Thermal protection metal tiles HUB7 | P0010547700 |
| 36 | Thermal protection ceramic tiles OS2 | P0016951700 |
| 37 | Thermal protection ceramic tiles OS3 | P0016951900 |
| 38 | Thermal protection ceramic tiles HUB1 | P0016953400 |
| 39 | Thermal protection ceramic tiles HUB2 | P0016953700 |
| 40 | Thermal protection ceramic tiles HUB3 | P0016953800 |
| 41 | Thermal protection ceramic tiles HUB4 | P0016953900 |
| 42 | Protective tube for diagonal swirler | P0027858400 |
| 43 | O-ring | P0005054500 |
| 44 | O-ring | P0005054600 |
Field Gas Turbine Fault Repair Cases
Case 1: Compressor Blade Erosion & Efficiency Loss
A combined-cycle power plant reported a 7% drop in SGT5-4000F compressor efficiency, caused by inlet debris erosion on stage 1-5 compressor blades. Replacing worn PG0033378800 and PG0033379200 compressor blades restored aerodynamic flow and pressure ratio, bringing turbine power output back to full rated capacity and eliminating efficiency losses.
Case 2: Combustion Chamber Thermal Tile Degradation
An SGT5-4000F turbine experienced hot spot formation on the combustion shell, linked to cracked P0006350200 OS1 ceramic tiles and loose P0000340500 tile holders. Installing new thermal tiles and secure fasteners resolved thermal fatigue issues, preventing permanent shell damage and reducing outage time by 40% compared to full component replacement.
Case 3: Turbine Blade High-Cycle Fatigue Failure
A power plant faced an unplanned outage due to fatigue cracking on stage 2 turbine blades (P0001204300). The damaged blades caused vibration and reduced turbine performance. Replacing the faulty blades with new OEM-matched units eliminated vibration, restored rotational balance, and allowed the turbine to resume full load operation within 48 hours.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with all SGT5-4000F gas turbine configurations (329MW/385MW)? | Yes, these spare parts are precision designed to fit both 329MW and 385MW versions of the SGT5-4000F gas turbine, matching OEM dimensions, material specs, and mounting interfaces for the 15-stage compressor and 4-stage turbine. |
| What is the maximum operating temperature for the ceramic thermal tiles? | The OS1/OS2/HUB series ceramic thermal tiles (P000635 series) are rated for continuous operation at temperatures up to 1100°C, providing reliable thermal protection for the SGT5-4000F combustion chamber shell. |
| Can these blades be replaced without full rotor destacking? | Yes, these SGT5-4000F compressor and turbine blades are designed for on-site replacement without removing the entire rotor, leveraging the turbine’s borescope inspection ports and modular rotor design to cut maintenance time significantly. |
Procurement Guidance & Closing Statement
For power generation teams responsible for maintaining SGT5-4000F gas turbine reliability, efficiency, and uptime, this spare parts catalog provides a fully compliant, quality-assured sourcing solution for all critical compressor, turbine, and combustion chamber components. Backed by strict industrial manufacturing standards and exact OEM part number matching, these parts serve as both a trusted procurement benchmark and a technical guide for resolving costly turbine faults quickly and effectively. Whether stocking for scheduled major overhauls, emergency breakdown repairs, or performance upgrade projects, these spare parts ensure compliance with industry standards, minimize revenue losses from unplanned outages, and preserve the long-term operational integrity of your SGT5-4000F gas turbine. Secure the exact compressor blades, turbine blades, thermal tiles, fasteners, and seals your turbine requires, tailored to your SGT5-4000F model and operational needs, to maintain consistent, efficient power generation for years to come.
