Industry-Verified Manufacturing Data (2026)

Flame Detector

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Flame Detector used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Flame Detector is characterized by the integration of Sensor Head and Amplifier Circuit. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless steel housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A safety device that monitors the presence or absence of a flame in a burner system.

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Product Specifications

Technical details and manufacturing context for Flame Detector

Definition
A critical safety component within industrial burner systems that continuously monitors the combustion process to detect the presence or absence of a flame. It ensures safe operation by providing a signal to the burner management system to initiate safety shutdown procedures if flame failure is detected, preventing unburned fuel accumulation and potential explosions.
Working Principle
Flame detectors operate by sensing specific characteristics of a flame, typically using ultraviolet (UV) or infrared (IR) radiation detection. UV detectors respond to the high-energy UV radiation emitted by flames, while IR detectors sense the specific infrared wavelengths produced by combustion. When the detector senses the appropriate radiation signature, it sends a signal confirming flame presence. If the radiation drops below a threshold or disappears, the detector signals flame failure.
Common Materials
Stainless steel housing, Quartz glass lens, UV/IR sensor element, Electronic circuitry
Technical Parameters
  • Response time for flame failure detection (ms) Per Request
Components / BOM
  • Sensor Head
    Detects UV/IR radiation from the flame and converts it to electrical signals
    Material: Stainless steel with quartz window
  • Amplifier Circuit
    Amplifies weak sensor signals for processing
    Material: Electronic components on PCB
  • Signal Processor
    Analyzes sensor data to distinguish flame radiation from background radiation
    Material: Microcontroller and supporting electronics
  • Output Relay
    Provides contact closure or electronic signal to indicate flame status
    Material: Electromechanical or solid-state relay
  • Mounting Bracket
    Secures the detector in proper position relative to the burner
    Material: Stainless steel
Engineering Reasoning
0.1-10.0 lux (flame intensity detection threshold), 400-1100 nm (spectral sensitivity range), -40°C to +85°C (ambient temperature)
Flame signal intensity drops below 0.05 lux for >2 seconds, UV sensor quantum efficiency falls below 15% at 185 nm, IR sensor responsivity drops below 0.5 A/W at 4.3 μm
Design Rationale: UV sensor quartz window solarization (UV-induced color center formation at 185-260 nm wavelengths), IR sensor PbSe detector thermal degradation (Arrhenius aging with activation energy 0.7 eV), photocathode poisoning from hydrocarbon contamination
Risk Mitigation (FMEA)
Trigger UV sensor quartz window solarization reaching 90% transmittance loss at 185 nm
Mode: False flame-out detection during low-load burner operation
Strategy: MgF₂-coated synthetic silica windows with <5% transmittance degradation after 10,000 hours at 185 nm, 150°C
Trigger IR sensor PbSe detector responsivity decay to 0.3 A/W at 4.3 μm due to 8,000-hour operation at 70°C
Mode: Delayed flame detection response exceeding 3-second safety requirement
Strategy: Thermoelectric cooler maintaining detector at -20°C ±2°C, periodic responsivity calibration against blackbody reference at 1000K

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Flame Detector.

industrial UV IR flame detector stainless steel flame detector burner system safety device machinery flame monitoring equipment quartz glass lens flame sensor

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Burners
View system integration details
Burner System
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 1.5 bar (typical), up to 10 bar with special housing
other spec: Response time: <5 seconds, Detection range: 0.5-30 meters, Viewing angle: 90-120 degrees
temperature: -40°C to +85°C (operating), up to +120°C (short-term exposure)
Media Compatibility
✓ Natural gas combustion systems ✓ Oil-fired burners ✓ Industrial furnace flames
Unsuitable: High-pressure water mist or steam environments (interferes with UV/IR detection)
Sizing Data Required
  • Burner flame size and intensity
  • Required detection distance
  • Ambient light/radiation interference level

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Optical contamination
Cause: Accumulation of dust, dirt, oil mist, or condensation on the lens or optical window, obstructing the detector's ability to sense flame radiation (UV/IR).
Electronic component degradation
Cause: Exposure to extreme temperatures, voltage spikes, or prolonged vibration leading to failure of sensitive circuits, such as the photodiode, amplifier, or microprocessor.
Maintenance Indicators
  • Frequent false alarms or failure to alarm during a known flame test, indicating compromised sensitivity.
  • Visible physical damage, such as a cracked lens, moisture ingress, or corrosion on the housing or connectors.
Engineering Tips
  • Implement regular cleaning and inspection schedules for the optical surfaces, using appropriate non-abrasive cleaners, and ensure the detector is installed in a location with minimal airborne contaminants.
  • Use surge protection devices on the power and signal lines, and ensure proper mounting to minimize vibration, while performing periodic functional testing with a certified flame simulator.

Compliance & Manufacturing Standards

Reference Standards
ISO 7240-10:2012 (Fire detection and alarm systems - Flame detectors) ANSI/UL 268A (Standard for Smoke Detectors for Fire Alarm Systems - Flame Detectors) EN 54-10:2002 (Fire detection and fire alarm systems - Flame detectors)
Manufacturing Precision
  • Response Time: +/- 0.5 seconds
  • Spectral Sensitivity Range: +/- 5% of specified wavelength
Quality Inspection
  • Functional Response Test (to calibrated flame source)
  • Environmental Durability Test (vibration, temperature, humidity)

Factories Producing Flame Detector

Verified manufacturers with capability to produce this product in China

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✓ 94% Supplier Capability Match Found

P Project Engineer from United Arab Emirates Feb 18, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Flame Detector arrived with full certification."
Technical Specifications Verified
S Sourcing Manager from Australia Feb 15, 2026
★★★★★
"Great transparency on the Flame Detector components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
P Procurement Specialist from Singapore Feb 12, 2026
★★★★★
"The Flame Detector we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

7 sourcing managers are analyzing this specification now. Last inquiry for Flame Detector from USA (1h ago).

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Frequently Asked Questions

What types of flames can this detector monitor?

This flame detector uses UV/IR sensor technology to monitor gas and oil flames in industrial burner systems, providing reliable detection across various fuel types.

How does the stainless steel housing benefit industrial use?

The stainless steel housing provides corrosion resistance, durability in harsh environments, and protection for the sensitive electronic components inside the flame detector.

What maintenance does the quartz glass lens require?

The quartz glass lens requires periodic cleaning to maintain optical clarity and ensure accurate flame detection. It's resistant to high temperatures and thermal shock.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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