USED MSA – GENERAL MONITORS FL4000H (TRIPLE IR FLAME DETECTOR)

Upgrade your fire and gas safety system with this MSA General Monitors FL4000H Triple IR (IR3) Flame Detector, one of the industry’s most trusted detectors for high-risk industrial environments. The FL4000H is engineered for rapid flame detection, exceptional immunity to false alarms, and reliable operation in hazardous and explosive atmospheres.
This unit features a rugged explosion-proof enclosure, wide temperature operating range, and advanced Multi-Spectrum IR sensing, making it ideal for applications in oil & gas, chemical plants, offshore platforms, LNG sites, aviation fuel farms, and industrial process facilities.
The detector shown is in excellent used condition, clean, and tested for functionality. Exact part number: P/N 7202794.
✅ Key Features
Brand: MSA – General Monitors
Brand: MSA – General Monitors
Model: FL4000H (Triple IR Flame Detector)
Model: FL4000H (Triple IR Flame Detector)
Part Number: 7202794
Part Number: 7202794
Detection Technology: Multi-Spectrum IR (IR3)
Detection Technology: Multi-Spectrum IR (IR3)
Explosion-Proof / Flame-Proof Housing
Explosion-Proof / Flame-Proof Housing
Hazardous Location Ratings:

Class I, Div 1; Groups B, C, D

Class I, Div 2

ATEX / IECEx Certified (varies by configuration)
Hazardous Location Ratings:
Class I, Div 1; Groups B, C, D
Class I, Div 1; Groups B, C, D
Class I, Div 2
Class I, Div 2
ATEX / IECEx Certified (varies by configuration)
ATEX / IECEx Certified (varies by configuration)
Ingress Protection: IP66/67 (weatherproof, dust-proof)
Ingress Protection: IP66/67 (weatherproof, dust-proof)
Temperature Range: -40°C to +80°C
Temperature Range: -40°C to +80°C
Fast flame detection response
Fast flame detection response
High immunity to false alarms (sunlight, hot objects, welding)
High immunity to false alarms (sunlight, hot objects, welding)
Robust cast aluminum red housing
Robust cast aluminum red housing
Wide field of view for large area monitoring
Wide field of view for large area monitoring
✅ Applications
Perfect for high-risk industrial environments requiring dependable flame detection:
Oil & Gas Facilities
Oil & Gas Facilities
Offshore Production Platforms
Offshore Production Platforms
Chemical & Petrochemical Plants
Chemical & Petrochemical Plants
Fuel Storage & Handling
Fuel Storage & Handling
Power Generation Plants
Power Generation Plants
LNG / LPG Terminals
LNG / LPG Terminals
Drilling Rigs
Drilling Rigs
Manufacturing & Process Plants
Manufacturing & Process Plants
Hangars / Aviation Fuel Facilities
Hangars / Aviation Fuel Facilities

Weight: 10 lbs
Dimensions: 9 × 8 × 8 in