Description
1. Product Overview
Model Number: RS-FS-9001Original Factory Part Numbers: 362A1052P001 / 362A1052P404Brand Affiliation: Flame Tracker™ series under Reuter-Stokes (subsidiary of GE), originally manufactured in the United States. It serves as the standard critical flame detection spare part for GE Mark VI/VIe gas turbine units and boiler BMS (Burner Management System), and is a key end-of-life (EOL) discontinued spare part for the unit furnace safety monitoring system.
Product Definition: SiC Silicon Carbide Ultraviolet Spectrum Flame Detector. It adopts a silicon carbide photodiode to capture the characteristic ultraviolet radiation spectrum at 310 nm emitted by hydrocarbon combustion flames inside the furnace, so as to accurately identify combustion flames of oil and gas fuels. Its core functions include ignition confirmation, real-time continuous flame monitoring and flameout fault judgment. It transmits a 4~20 mA analog signal indicating flame intensity to the turbine control system. Once an unexpected flameout is detected, it immediately triggers an emergency shutoff of the fuel valve to prevent accumulation of unburned combustible media and subsequent furnace deflagration. It acts as the core sensing hardware providing fail-safe protection for combustion safety of thermal power gas turbines and industrial boilers.
2. Hardware Structure & Six Functional Modules
2.1 SiC Ultraviolet Spectrum Signal Acquisition Module
It adopts a silicon carbide (SiC) photodiode as the core sensing chip, which precisely targets the 310 nm ultraviolet characteristic band of hydrocarbon flames. It can detect weak flame signals even through flue gas, water vapor and thin mist. It effectively eliminates false alarms caused by stray light sources such as sunlight, indoor lighting and electric welding arcs. Compared with traditional vacuum ultraviolet phototubes, this solid-state structure contains no vulnerable consumable parts, featuring superior resistance to vibration and high-temperature aging.
2.2 Signal Amplification Conditioning & 4~20mA Transmitting Module
A multi-stage isolated signal amplification circuit converts the weak photocurrent signal into a standard 2-wire 4~20 mA analog output:4 mA corresponds to no flame or fault status, while 20 mA stands for full-scale flame intensity.Reverse polarity protection is integrated into the circuit to prevent damage from incorrect wiring. It supports long-distance industrial cable transmission with excellent signal attenuation suppression and power frequency anti-interference performance, meeting the requirements for long-distance wiring between the control cabinet and furnace.
2.3 Hermetic Pressure-Resistant Protective Structure Module
The probe base is made of AISI 316 stainless steel, and the outer housing is hermetically sealed with argon inside a 304 stainless steel enclosure. It can withstand a maximum process pressure of 2.8 MPa (400 psig) inside the furnace. Equipped with a standard 3/4" NPT internal thread mechanical interface, it can be directly mounted onto the sight glass bases of gas turbines and boiler furnaces. The sealed structure prevents flue gas backflow and corrosion of internal electronic components.
2.4 High-Temperature Heat Dissipation with Water/Air Cooling Compatibility Module
The standard operating ambient temperature range is -40℃ ~ +150℃. When fitted with the original factory water-cooled or air-cooled heat dissipation kit, it can operate stably for long periods at a maximum ambient temperature of 235℃ near high-temperature furnace areas such as gas turbine exhaust sections and boiler high-temperature sight ports, extending the service life of the probe.
2.5 Vibration Resistance & Built-In Self-Test Module
The unit passes strict vibration qualification tests: continuous vibration of 0.1 inch DA amplitude from 10 Hz to 40 Hz, sustained 8G vibration from 40 Hz to 2000 Hz, and peak 14G shock vibration, adapting to permanent vibration conditions of turbine units.A power-on self-test automatically checks the optical path, sensing chip and output loop. Upon detecting a fault, the output is locked at a fixed 4 mA current, enabling the upper-level system to quickly identify probe failure, lens contamination or cable disconnection.
2.6 Military-Grade Quick Disconnect Electrical Connector Module
The rear end adopts a 5-pin MIL-C-38999 Series III aerospace connector allowing tool-free quick plug-and-play replacement. No complete cable disassembly is required during spare part swapping, cutting on-site replacement time from several hours to minutes and fitting tight maintenance windows for power plant unit outages.
3. Detailed Technical Specifications
(1) Core Sensing & Signal Parameters
| Item | Specification |
|---|---|
| Product Model | RS-FS-9001 (Part No. 362A1052P001) |
| Sensing Element | SiC Silicon Carbide Photodiode, 310 nm UV characteristic detection |
| Standard Detection Range | 9 meters (30 feet) |
| Response Speed | Minimum ≤25 ms; Normal operating condition ≤5 s |
| Standard Output | 2-wire 4~20 mA analog signal4 mA = No Flame / Fault; 20 mA = Full Flame |
| Spectrum Anti-Interference | Filters false triggering from visible light, infrared light, ambient stray light and arc light |
| Fault Judgment Logic | Lens contamination, probe power loss and cable breakage all trigger fixed 4 mA output |
(2) Electrical Power Supply Parameters
- Supply Voltage: DC 12~30 V, rated recommended voltage 24 VDC
- Operating Current: Minimum 100 mA under full static load
- Maximum Total Loop Impedance: Total resistance of sampling resistor plus cable ≤ 560 Ω under 24 V supply
- Polarity Protection: Built-in reverse connection hardware protection; reverse wiring will not burn out the probe
- Compatible Cable: Matched dedicated shielded cables RS-E2-0285PXXX / 362A1053PXXX, 18 AWG wire gauge
(3) Environmental & Mechanical Parameters
- Standard Ambient Temperature: -40℃ ~ +150℃
- Max Temperature with Water Cooling Kit: 235℃
- Relative Humidity Tolerance: 100% non-condensing environment
- Pressure Withstand Rating: Max 2.8 MPa (400 psig) furnace process pressure
- Mounting Thread: 3/4 inch NPT internal thread standard industrial interface
- Ingress Protection Rating: IP65
- Net Weight: Approx. 1.6 kg (3.5 lbs)
- Housing Material: Mounting base – 316 stainless steel; Hermetic sealed outer enclosure – 304 stainless steel with argon filling
4. Product Functions & Technical Advantages
Solid-State SiC Sensing Eliminates Premature Failure of Traditional UV TubesIt abandons aging-prone and leak-prone vacuum ultraviolet lamps. The SiC chip contains no filaments or gas-filled cavities, delivering excellent high-temperature and anti-vibration performance. Failure rates are greatly reduced under frequent unit start-stop cycles, slashing annual spare part replacement frequency.
Linear Analog Flame Intensity Output Supports Closed-Loop Combustion Optimization
The 4~20 mA current directly reflects flame strength. The control system can adjust fuel-air ratio to achieve low-nitrogen combustion optimization based on this value. It clearly distinguishes three operating states: flameout, weak flame and full flame, eliminating hidden combustion abnormalities that cannot be identified by simple switch-type discrete signals.Fully Sealed Pressure-Resistant & Explosion-Proof Enclosure Adapts to Positive-Pressure Furnace Flue Gas Conditions
The argon-filled hermetic housing resists flue gas backflow from positive-pressure furnaces and prevents corrosion of internal circuits caused by minor gas leakage. It is suitable for positive-pressure combustion equipment including circulating fluidized beds and high-pressure gas turbine combustion chambers.Modular Quick-Connect Aviation Connector Greatly Improves Maintenance Efficiency
Plug-and-play connector design eliminates wire stripping and terminal crimping. Individual probes can be replaced independently during unit shutdown windows without rewiring the entire cable harness, lowering on-site construction difficulty and outage duration.Multi-Layer Built-In Fault Diagnosis Enables Intuitive Fault Localization
The probe itself can detect lens fouling, cable disconnection, power supply anomaly and chip damage, all indicated by a fixed 4 mA output. The upper BMS system generates direct pop-up alarms without manual disassembly for troubleshooting.Natively Compatible with Complete GE Mark VI/VIe Gas Turbine Control Systems
Signal protocols and formats fully match the original factory DCS and BMS logic. No program configuration modification or additional signal range calibration is required after replacement; the unit can be put into interlock protection directly after drop-in installation.5. Application Scenarios
Thermal Power Gas / Steam Turbine Industry
Flame monitoring inside the combustion chamber of GE Mark VI/VIe combined-cycle generating units; core flame detection probe for the BMS furnace safety protection system, used for ignition verification, flameout trip interlock and emergency fuel shutoff protection.
On-Site Captive Power Plants & Cogeneration Facilities
Furnace flame detection for waste heat boilers, biomass boilers, heating coal-fired and gas-fired boilers to prevent furnace explosion accidents caused by misfire.
Petrochemical Industry
Flame detection for process heaters, cracking furnaces and incinerators in petrochemical plants, meeting safety supervision requirements for high-risk combustion equipment in explosion-proof classified areas.
