Structured Manufacturing Data (2026)

Flame Detector

Based on aggregated insights from structured 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 Part
    Secures the detector in proper position relative to the burner
    Material: Stainless steel

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
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Burner System
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Industrial Ecosystem & Supply Chain Structure

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

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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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 basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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