1. Core Overview & Target Application

Equipment Compatibility: This full suite of spare parts is precision engineered exclusively for the FT8-3 gas turbine unit, covering the critical vibration monitoring system, lube oil systems, liquid fuel systems, gas turbine instrumentation, hydraulic systems, and auxiliary generator modules tied to the FT8-3 platform. Every component is manufactured to match original equipment manufacturer (OEM) dimensional specs, material grades, and performance thresholds, guaranteeing full interchangeability with factory-installed parts.
2. Product Introduction
This curated inventory of FT8-3 spare parts spans 17 functional groups and over 80 critical components, centered on the FT8-3 vibration system as the core monitoring module, with supplementary parts for lubrication, fuel delivery, hydraulic actuation, temperature/pressure sensing, and electrical protection. Key components include proximity probes, relay modules, pressure transducers, filter elements, fuses, solenoid valves, temperature sensors, and O-rings, all built to withstand heavy-duty industrial turbine operating conditions. Each part undergoes strict quality testing to meet API, IEC, and OEM performance standards, with verified durability for continuous cyclic operation and extreme environmental exposure.
3. Functional Advantages
- Vibration System Stability: OEM-grade proximity probes and monitor modules deliver real-time, high-precision vibration data (250mm and 205mm sensing ranges) for early detection of shaft misalignment, bearing wear, and rotor imbalance, preventing catastrophic turbine failure.
- System Protection & Efficiency: Precision filter elements (3 micron, 6 micron, 10 micron, 20 micron ratings) eliminate particulate contamination in lube oil and fuel systems, extending the service life of pumps, valves, and rotating components by up to 35%.
- Reliable Electrical Performance: Spec-rated fuses, 24VDC power supplies, and diode assemblies safeguard electrical circuits from overcurrent and voltage spikes, reducing unplanned electrical shutdowns by 40%.
- Sealing & Leak Prevention: Viton O-rings and preformed packing seals resist high-temperature oil, fuel, and thermal degradation, eliminating fluid leaks in lube and hydraulic systems to maintain pressure integrity.
4. Structural & Material Features
Every FT8-3 spare part is constructed with industrial-grade materials tailored to turbine operating demands, featuring industry-leading structural design:
- Sensing Components: Vibration probes, pressure transducers, and RTD temperature sensors use high-purity alloy sensing elements and sealed enclosures, ensuring accuracy within ±0.5% full scale across -40°C to 125°C operating temperatures.
- Filter Elements: Multi-layered fiberglass and synthetic filter media with high dirt-holding capacity, delivering consistent filtration efficiency and resisting collapse under high-pressure fluid flow (up to 6000 PSI).
- Sealing Components: Viton and high-grade rubber O-rings with excellent compression set resistance, capable of withstanding turbine lube oil temperatures up to 150°C without hardening or cracking.
- Electrical & Control Modules: Encased relay and monitor modules with anti-interference shielding, protecting against electromagnetic interference (EMI) common in industrial turbine facilities for stable signal transmission.
5. Applicable Operating Conditions
These FT8-3 spare parts are engineered to perform reliably in demanding industrial energy scenarios, including:
- Base-load FT8-3 gas turbine power generation facilities
- Peaking power plants with frequent turbine start-stop cycles
- Industrial cogeneration facilities using FT8-3 turbines
- Offshore and onshore turbine installations with high dust, moisture, and temperature fluctuations
- Turbine operations requiring strict emissions and safety compliance
6. Maintenance & Troubleshooting Recommendations
To maximize FT8-3 turbine uptime and spare part lifespan, follow these industry-standard maintenance protocols:
- Preventive Replacement Schedule: Replace filter elements (lube oil, fuel, hydraulic) every 2000 operating hours; inspect and replace fuses, lamps, and O-rings every 1000 hours to prevent component failure.
- Vibration System Calibration: Calibrate proximity probes and monitor modules every 6 months to ensure accurate vibration sensing, verifying signal output against OEM baseline values.
- Fluid System Checks: Monitor pressure transducer readings daily for deviations; test solenoid valves and pressure switches quarterly to confirm proper actuation and pressure response.
- Storage Guidelines: Store unused spare parts in a climate-controlled environment (humidity ≤65%, temperature 10-30°C) to prevent sensor corrosion, seal degradation, and electrical component damage.
We supply the following spare parts:
| Group No | # | FT8-3 P/N | DESCRIPTION | SUBSYSTEMS | U/P |
| Group-1 | 1 | VQCT116819-14 | PROBE,PROXIMITY,PROXPAC,250 MM | VIBRATION SYTEM | |
| 2 | VQCT116819-13 | PROBE,PROXIMITY,PROXPAC,205 MM | VIBRATION SYTEM | ||
| 3 | VQCT117711-7 | RELAY MODULE | VIBRATION SYTEM | ||
| 4 | VQCT117492-2 | 24VDC POWER SUPPLY | VIBRATION SYTEM | ||
| 5 | VQCT117711-5 | KEYPHASOR MODULE (ET) | VIBRATION SYTEM | ||
| 6 | VQCT117492-16 | COMMUNICATION GATEWAY | VIBRATION SYTEM | ||
| 7 | VQCT117711-6 | PROXIMITOR/SEISMIC MONITOR(ET) | VIBRATION SYTEM | ||
| 8 | VQCT117492-5 | PROXIMITOR INPUT | VIBRATION SYTEM | ||
| 9 | VQCT117711-40 | TRANSIENT DATA INTERFACE | VIBRATION SYTEM | ||
| 10 | VQCT117115-1 | KIT,VELOCITY XDCR,MOUNTING | VIBRATION SYTEM | ||
| Group-2 | 1 | VQCT116331-20 | FUSE, 5x20mm, MED, TIME,10 AMP | MISC ITEMS-1 | |
| 2 | VQCT116999-3 | FUSE,250V,2A | MISC ITEMS-1 | ||
| 3 | VQCT116999-1 | FUSE,6A | MISC ITEMS-1 | ||
| 4 | VQCT116999-2 | FUSE,250V,1A | MISC ITEMS-1 | ||
| 5 | VQCT116010-6 | FUSE,10AMP,250V,MDA-10 | MISC ITEMS-1 | ||
| 6 | VQCT116999-6 | FUSE, 600V, 1A | MISC ITEMS-1 | ||
| 7 | VQCT116999-7 | FUSE, 600V, 2A | MISC ITEMS-1 | ||
| 8 | VQCT116999-5 | FUSE, 6A | MISC ITEMS-1 | ||
| 9 | VQCT117003-1 | FUSE, 10A, 250V | MISC ITEMS-1 | ||
| Group-3 | 1 | VQCT117001-1 | LAMP, 6 VAC | MISC ITEMS-2 | |
| 2 | VQCT117001-2 | LAMP, 120-130 VAC | MISC ITEMS-2 | ||
| 3 | VQIPB21077GR1 | DIODE ASSY 24VDC FT8 ENGINE | MISC ITEMS-2 | ||
| 4 | VQIPB20541GR1 | NO BOM ASSY, DIODE 125VDC FT8 ENGINE | MISC ITEMS-2 | ||
| 5 | VQCT113430-1 | DIODE | MISC ITEMS-2 | ||
| Group-4 | 1 | VQCT115594-SP2 | OIL MIST ELIM, O-RING, VITON | LUBE OIL SYSTEM | |
| 2 | VQCT117190-8 | DEDECTOR, CHIP O-RING | LUBE OIL SYSTEM | ||
| 3 | VQCT115594-SP1 | OIL MIST ELIM.ELEMENT,FILTER | LUBE OIL SYSTEM | ||
| 4 | VQCT118124-2 | ELEMENT, 3 MICRON | LUBE OIL SYSTEM | ||
| Group-5 | 1 | VQCT114361 | TRANSDUCER, PRESSURE, 0-200 PSIG | LIQUID FUEL SYSTEM-1 | |
| 2 | VQCT113069 | VALVE, RELIEF | LIQUID FUEL SYSTEM-1 | ||
| 3 | VQCT117004-10 | PRESSURE, TRANSDUCER, 6000 PSI | LIQUID FUEL SYSTEM-1 | ||
| 4 | VQCT117004-18 | PRESSURE, TRANSDUCER, 600 PSI | LIQUID FUEL SYSTEM-1 | ||
| 5 | VQCT116938-1 | FILTER,FUEL,ELEMENT | LIQUID FUEL SYSTEM-1 | ||
| 6 | VQCT118089-2 | ELEMENT,FILTER, (20 MICRON) | LIQUID FUEL SYSTEM-1 | ||
| Group-6 | 1 | VQ1084940 | CLUTCH | LIQUID FUEL SYSTEM-2 | |
| 2 | VQCT821250 | FUEL PUMP | LIQUID FUEL SYSTEM-2 | ||
| Group-7 | 1 | VQCT-CLUTCH | CLUTCH REMOVAL KIT | LIQUID FUEL SYSTEM-3 | |
| Group-8 | 1 | VQCT116171 | TEMPERATURE, SENSOR, DUAL RTD | GT LUBE SYSTEM | |
| 2 | VQCT116783 | GAUGE-SWITCH, 0-2 BAR D,DUAL | GT LUBE SYSTEM | ||
| 3 | VQCT116567 | TRANSDUCER, PRESSURE | GT LUBE SYSTEM | ||
| 4 | VQCT114357 | TRANSDUCER, PRESSURE, 0-100 PSIG | GT LUBE SYSTEM | ||
| 5 | VQCT115567-2 | TRANSDUCER, PRESS. 0-50 PSIA | GT LUBE SYSTEM | ||
| 6 | VQCT113044 | VALVE, SOLENOID, BREATHER SHUTOFF | GT LUBE SYSTEM | ||
| 7 | VQCT116295 | TRANSDUCER, PRESSURE, 0-10 PSID | GT LUBE SYSTEM | ||
| 8 | VQCT113863 | VALVE, SOLENOID, 3-WAY, 125 VDC | GT LUBE SYSTEM | ||
| 9 | VQCT112599 | CHIP, DEDECTOR LUBE OIL | GT LUBE SYSTEM | ||
| 10 | VQCT116853 | VALVE, SOLENOID, 1/2, 2 WAY, L.O. | GT LUBE SYSTEM | ||
| 11 | VQCT117443-1 | SWITCH, PRESSURE, 35PSIG FALLING | GT LUBE SYSTEM | ||
| 12 | VQCT117915-1 | TRANSDUCER, DIFF, PRESS, LUBE SYS | GT LUBE SYSTEM | ||
| 13 | VQCT118096-9 | SWITCH, PRESS,EP, 1/4″ 8-30 PSIG | GT LUBE SYSTEM | ||
| 14 | VQCT118096-8 | SWITCH, PRESS,EP, 1/4″ 15-60 PSIG | GT LUBE SYSTEM | ||
| 15 | VQCT117588-2 | MIST COLLECTOR 50 Hz | GT LUBE SYSTEM | ||
| 16 | VQCT116285-SP2 | FILTER,PRIMARY,LUBE OIL | GT LUBE SYSTEM | ||
| Group-9 | 1 | VQCT118032-45 | HEATER, GEN. LUBE OIL TANK 4250W | GENERATOR LUBE OIL SYSTEM | |
| 2 | VQCT116288 | MOTOR, 3 HP DC, LUBE OIL PUMP | GENERATOR LUBE OIL SYSTEM | ||
| Group-10 | 1 | VQCT112559 | TEMPERATURE, SENSOR, RTD 5 IN | GAS TURBINE INSTRUMENTATION | |
| 2 | VQCT118044-1 | TRANS, PRESSURE, 12-18 PSIA | GAS TURBINE INSTRUMENTATION | ||
| 3 | VQ1080498 | (U) TRANSDUCER MOTIONAL PICK UP | GAS TURBINE INSTRUMENTATION | ||
| 4 | VQCT117915-2 | TRANSDUCER, DIFF, PRESS, FLT HSE | GAS TURBINE INSTRUMENTATION | ||
| 5 | VQ1088046 | TRANSDUCER MOTIONAL PICKUP, SPEED | GAS TURBINE INSTRUMENTATION | ||
| 6 | VQCT112509 | TRANSDUCER, PRESSSURE | GAS TURBINE INSTRUMENTATION | ||
| Group-11 | 1 | VQMS9386-111 | (C) PACKING-PREFORMED, O-RING | GAS GENERATOR | |
| 2 | VQ1088177 | (U) IGNITER PLUG-GAS TURBINE ENGINE | GAS GENERATOR | ||
| 3 | VQ1080274 | (U) CABLE-EXCTR TO LEFT SPARK IGNITER | GAS GENERATOR | ||
| 4 | VQ1080275 | (U) CABLE-EXCTR TO RIGHT SPARK IGNITER | GAS GENERATOR | ||
| 5 | VQCT118700-1-1 | PROBE, EGT T4.0, SINGLE CHANNEL, FT8 | GAS GENERATOR | ||
| Group-12 | 1 | VQCT117015-229 | DEDECTOR, TEMPERATURE | ELECTRIC GENERATOR | |
| 2 | VQCT116998-16 | FUSE, 1A | ELECTRIC GENERATOR | ||
| 3 | VQCT116998-15 | FUSE,250 mA | ELECTRIC GENERATOR | ||
| 4 | VQCT116998-14 | FUSE,100 mA | ELECTRIC GENERATOR | ||
| 5 | VQCT116998-1 | FUSE, 20 ET, 2A | ELECTRIC GENERATOR | ||
| 6 | VQCT116998-17 | FUSE, 5A | ELECTRIC GENERATOR | ||
| Group-13 | 1 | VQCT118032-68 | ELEMENT, FILTER, L.O SIMPLEX(6 MICRON) | ELECTRIC GENERATOR L.O. | |
| Group-14 | 1 | VQCT117925-3 | MOTOR, AC COLD AIR BUFFER | COLD AIR BUFFER | |
| 2 | VQCT116809 | TEMPERATURE, SENSOR, RESIS.(RTD) | COLD AIR BUFFER | ||
| 3 | VQCT119387-1 | VFD,5HP,50/60HZ,380-480VAC | COLD AIR BUFFER | ||
| Group-15 | 1 | VQCT114359 | TRANSDUCER, PRESSURE, 0-1000 PSIG | GG HYDRAULIC SYSTEM | |
| 2 | VQCT117442-1 | SWITCH, PRESSURE, 10 PSIG RISING | GG HYDRAULIC SYSTEM | ||
| 3 | VQCT117948-1 | SENSOR, RVIT ROTARY POSITION | GG HYDRAULIC SYSTEM | ||
| Group-16 | 1 | VQCT117004-44 | FILTER,ELEM,H PRESS.10 MICRON | HYDRAULIC START SYSTEM | |
| 2 | VQCT118117-7 | FILTER ELEMENT, HYD.START PAC, 10 MICRON | HYDRAULIC START SYSTEM | ||
| 3 | VQCT117004-29 | FILTER ELEMENT,CHARGE SUPPLY | HYDRAULIC START SYSTEM | ||
| Group-17 | 1 | VQCT113805 | FILTER,CARTRIDGE HYD. PUMP | HYDRAULIC SYSTEM |
7. Field Failure Repair Cases
Case 1: FT8-3 Vibration System Monitoring Failure
Scenario: An FT8-3 gas turbine experienced erratic vibration readings and false alarm triggers, risking automatic shutdown and power generation disruption.
Solution: Replacement of faulty 250mm proximity probes (VQCT116819-14) and proximitor monitor module (VQCT117711-6) restored accurate vibration monitoring, eliminating false alarms.
Outcome: Turbine resumed normal operation within 90 minutes, avoiding costly power generation downtime.
Case 2: Lube Oil Filter Contamination Causing Pressure Loss
Scenario: The FT8-3 GT lube oil system suffered low pressure alerts due to clogged 3-micron filter elements, threatening bearing lubrication failure.
Solution: Replacement of worn filter elements (VQCT118124-2) and primary lube oil filters restored proper oil flow and system pressure, protecting rotating components.
Outcome: Maintenance completed without shutdown, extending bearing service life.
Case 3: Fuel System Pressure Transducer Malfunction
Scenario: Erratic fuel pressure readings from a faulty 6000 PSI pressure transducer (VQCT117004-10) caused unstable FT8-3 turbine fuel delivery and power output fluctuations.
Solution: Installation of a replacement transducer normalized pressure monitoring, stabilizing fuel flow and turbine performance.
Outcome: Power output returned to rated levels, ensuring compliance with grid operational requirements.
8. Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with the FT8-3 gas turbine? | Yes, all spare parts are designed exclusively for the FT8-3 turbine and its associated systems, matching OEM part numbers and specifications for perfect fit and functionality. |
| How do I cross-reference my existing FT8-3 part number? | Match your current part’s unique FT8-3 P/N (e.g., VQCT116819-14, VQCT118124-2) with the listed part numbers in the inventory to select the exact replacement component. |
| What standards do these FT8-3 spare parts meet? | Parts comply with IEC industrial standards, API turbine specifications, and OEM quality benchmarks, with full performance testing to ensure reliability in FT8-3 turbine operations. |
9. Procurement Guidance & Call to Action
For FT8-3 gas turbine operators and maintenance teams, these OEM-compatible spare parts serve as both a definitive procurement benchmark and a practical technical solution for resolving system failures, reducing maintenance costs, and extending turbine service life. Each component is vetted for quality, durability, and performance to keep your FT8-3 turbine operating efficiently, safely, and in compliance with industrial energy standards.
Secure your inventory of FT8-3 vibration system and associated spare parts today to streamline preventive maintenance, minimize emergency repair delays, and protect your turbine’s operational uptime. Submit your procurement inquiry with the corresponding FT8-3 part numbers, required quantities, and system specifications to access customized pricing, technical support, and part verification services tailored to your FT8-3 turbine maintenance needs.