FIREYE 25SU3-2100 Product Description
Product Overview
The FIREYE 25SU3-2100 is a high-performance ultraviolet (UV) flame detector, engineered to provide reliable flame detection in a wide range of industrial combustion systems. This compact and rugged device leverages advanced UV sensing technology to accurately identify the presence of flames from various fuels, including gas, oil, and certain specialty fuels, even in challenging environments with high levels of dust, moisture, or vibration. The FIREYE 25SU3-2100 is designed for seamless integration into both new and existing systems, such as boilers, furnaces, and incinerators, offering a cost-effective solution for enhancing safety and operational efficiency. Its rapid response time ensures quick detection of flame anomalies, enabling timely shutdowns or alarms to prevent potential hazards. With a focus on durability and precision, the FIREYE 25SU3-2100 stands as a trusted component in industrial fire safety and combustion control.
Hainan Jinlin Mechanical & Electrical, a distributor of industrial control products, offers the FIREYE 25SU3-2100 UV flame detector. We are committed to providing exceptional customer service, adhering to the “Customer First, Forge Ahead” business philosophy.
Technical Specifications
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Parameter
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Value
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Product Model
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FIREYE 25SU3-2100
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Manufacturer
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FIREYE
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Product Type
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Ultraviolet (UV) Flame Detector
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Sensing Technology
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UV phototube with spectral filtering (185 – 260 nm)
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Response Time
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< 100 milliseconds (flame detection)
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Power Supply
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120 VAC ± 10%
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Temperature Range
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Operating: -40°C to 70°C; Storage: -50°C to 85°C
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Output Signal
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SPDT relay (5 A @ 250 VAC)
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Enclosure Rating
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IP66 (dust-tight and resistant to high-pressure water jets)
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Mounting Type
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Threaded mount (3/4″ NPT)
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Cable Length
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6-foot shielded cable with cable gland
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Certifications
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UL, FM, CSA approved; suitable for Class I, Div 2 hazardous locations
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Key Features and Benefits
Precise UV Detection: The FIREYE 25SU3-2100 utilizes a UV phototube optimized for the 185 – 260 nm wavelength range, which is emitted by most combustion flames but not by common background sources like sunlight or hot surfaces. This targeted sensing ensures accurate flame detection, minimizing false alarms in busy industrial environments. For example, in a gas-fired boiler room, it can reliably distinguish between a valid flame and UV radiation from nearby arc welding equipment, ensuring uninterrupted operation.
Rapid Response: With a response time of less than 100 milliseconds, the FIREYE 25SU3-2100 provides immediate detection of flame presence or loss. This speed is critical in applications such as oil refinery heaters, where a sudden flame failure could lead to dangerous fuel accumulation. The quick response enables rapid activation of safety shutdown systems, reducing the risk of explosions or equipment damage.
Extreme Environment Resilience: Built to withstand harsh conditions, the detector operates within a wide temperature range of -40°C to 70°C, making it suitable for both cold climates (e.g., outdoor winter installations) and high-heat industrial settings (e.g., foundry furnaces). Its IP66 enclosure rating protects against dust, rain, and high-pressure water jets, ensuring reliability in wet or dirty environments like wastewater treatment plants or food processing facilities.
Simple Integration: The 120 VAC power supply aligns with standard industrial electrical systems, simplifying installation in legacy setups. The 3/4″ NPT threaded mount allows for easy attachment to pipes, brackets, or equipment surfaces, while the 6-foot shielded cable ensures flexible positioning. The SPDT relay output directly interfaces with combustion controllers, alarm panels, or fuel shutoff valves, eliminating the need for additional interface modules.
Hazardous Location Compliance: Certified for Class I, Div 2 hazardous locations, the FIREYE 25SU3-2100 is safe for use in environments with potentially flammable gases or vapors, such as chemical storage facilities or paint booths. This certification ensures it meets strict safety standards, providing peace of mind in high-risk applications.
Related Models
- FIREYE 25SU3-1100: A lower-voltage (24 VDC) version of the FIREYE 25SU3-2100, ideal for battery-powered or DC-driven systems like remote oil well heaters. It shares the same detection capabilities but with a power supply tailored for mobile or off-grid applications.
- FIREYE 25SU4-2100: An upgraded model with enhanced UV filtering to reduce interference from lightning or arc discharges. It is preferred in areas prone to electrical storms, offering improved false alarm immunity compared to the FIREYE 25SU3-2100.
- FIREYE 25DU3-2100: A dual-spectrum (UV + IR) detector that combines the UV sensing of the FIREYE 25SU3-2100 with infrared technology. This redundancy makes it suitable for critical applications like nuclear power plant auxiliary boilers, where maximum safety is required.
- FIREYE 25SU3-2101: A long-cable variant with a 10-foot cable, designed for installations where the detector must be mounted far from the control system (e.g., tall industrial chimneys). It maintains the same performance as the standard FIREYE 25SU3-2100 but with extended wiring flexibility.
- FIREYE 25SU3-3100: A corrosion-resistant version with a stainless steel enclosure, intended for use in coastal or chemical processing environments where salt spray or corrosive fumes are present. It offers superior durability compared to the aluminum-enclosed FIREYE 25SU3-2100.
- FIREYE 95UV2E2: A modern solid-state UV detector with digital communication. While the FIREYE 25SU3-2100 is a reliable analog option, the 95UV2E2 is better suited for networked systems requiring remote monitoring and diagnostics.
As a certified partner of industry leaders such as Bentley Nevada, Honeywell, and ABB, we provide key components for diverse application areas. In process industries, the FIREYE 25SU3-2100 is essential for flame monitoring in petroleum refineries, chemical plants, and natural gas processing facilities. In discrete manufacturing, it ensures safe operation of industrial ovens used in metalworking and plastic production. In infrastructure, it safeguards power plant boilers and waste incinerators, preventing hazardous flame failures.
We offer a one-year warranty for the FIREYE 25SU3-2100 UV flame detector. Our professional pre-sales team provides technical guidance on system integration, while after-sales support offers troubleshooting and maintenance assistance. If you cannot find the model you need, please contact us immediately.
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