Crowcon 40/40U-UB – UV Flame Detector

Part no.

Crowcon-40-40U-UB

The Crowcon 40/40UV Flame Detector can detect hydrocarbon-based fuel and gas fires, invisible hydrogen flames, fires from hydrides, ammonia, silane and other organics.

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Crowcon 40/40UV Flame Detector (40/40U-UB)

The Crowcon 40/40UV Flame Detector is a high-performance ultraviolet (UV) flame detector designed for rapid detection of a wide range of fire types, including hydrocarbon fuel fires, gas fires, hydrogen flames, hydride fires, ammonia fires, silane fires, and other organic fuel fires. Built for hazardous and demanding industrial environments, the detector combines fast flame detection with advanced diagnostics, flexible communications, and approvals for safety-critical applications.

The 40/40U-UB version incorporates a heated optical window and Built-In-Test (BIT) functionality to ensure reliable operation in harsh weather conditions and hazardous locations.

Key Features

Ultraviolet (UV) flame detection technology
Detects:
- Hydrocarbon fuel fires
- Hydrocarbon gas fires
- Hydrogen flames
- Hydride fires
- Ammonia fires
- Silane fires
- Other organic fuel fires
Automatic and manual Built-In-Test (BIT)
Heated window prevents:
- Condensation
- Ice formation
- Snow accumulation
Suitable for severe environmental conditions
Multiple output options for system integration
Three programmable relays:
- Alarm relay
- Fault relay
- Auxiliary relay
0-20 mA stepped analogue output
HART communication protocol
RS-485 Modbus compatible communications
User programmable via HART or RS-485
Compact, lightweight design
Low power consumption
Minimum MTBF of 150,000 hours
5-year manufacturer warranty
SIL2 approved (40/40UB model)
Designed for hazardous area applications

Typical Applications

Oil & Gas Facilities

Refineries
Gas processing plants
LNG terminals
Petrochemical complexes
Offshore platforms

Hydrogen Applications

Hydrogen production facilities
Hydrogen storage installations
Fuel cell applications

Chemical Processing

Ammonia plants
Silane handling systems
Chemical manufacturing facilities
Hazardous process areas

Power Generation

Gas turbine enclosures
Fuel storage areas
Generator rooms

Marine & Offshore

Engine rooms
Offshore production facilities
FPSOs
Marine fuel handling systems

Industrial Facilities

Warehouses
Manufacturing plants
Hazardous material storage areas
Loading and unloading stations

Technical Specifications

Specification	Details
Product	Crowcon 40/40UV
Model	40/40U-UB
Detection Technology	Ultraviolet (UV)
Fire Types	Hydrocarbon, Hydrogen, Hydride, Ammonia, Silane and Organic Fires
Built-In-Test	Automatic & Manual
Heated Window	Yes
Analogue Output	0-20 mA Stepped
Relay Outputs	3 (Alarm, Fault, Auxiliary)
Communication Protocol	HART
Digital Communications	RS-485 Modbus
Programming	Via HART or RS-485
MTBF	Minimum 150,000 Hours
Safety Integrity Level	SIL2 (40/40UB)
Warranty	5 Years
Power Consumption	Low Power Design

Downloads for Crowcon 40/40U-UB – UV Flame Detector.

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