53-121 Fireye ORIFICE Set

Overview

The Fireye 53-121 is a precision-engineered orifice kit designed to optimize flame detection performance in industrial burner and combustion control systems. This kit is a critical accessory for Fireye flame scanners, allowing for the fine-tuning of the scanner’s field of view and sensitivity. By restricting the target area and regulating airflow, it ensures reliable and stable flame monitoring while increasing discrimination between the target flame and background radiation.

Features

• Comprehensive kit includes nine different orifice sizes ranging from 0.062 inches to 0.5 inches in diameter
• Includes two orifice retainers for secure installation and easy configuration
• Engineered to reduce airflow and maintain an effective air block to protect internal scanner components
• Enhances signal quality by narrowing the scanner’s field of view to the specific target flame
• Precision-machined components designed for long-term durability in industrial environments

Specifications

• Manufacturer: Fireye
• Part Number: 53-121
• Orifice Sizes: 2 through 10 (diameters from 0.062″ to 0.5″)
• Components: 9 orifices, 2 retainers
• Dimensions: 3.1 x 1.5 x 0.65 inches
• Shipping Weight: Approximately 0.1 lb (0.045 kg)
• Compatibility: Designed for use with Fireye 45UV5 and 45RM1 series flame scanners

Applications

The 53-121 Orifice Set is primarily used in industrial and commercial combustion systems to calibrate flame scanner sensitivity. It is ideal for multi-burner environments where background radiation from adjacent flames can interfere with accurate detection. Typical applications include natural gas, propane, and oil-fired burners used in boilers, furnaces, and process heating systems. It is also utilized during maintenance and calibration procedures to adjust the scanner’s response to specific fuel types and burner configurations.