61-7064-14 Fireye Inner Assembly

Overview

The Fireye 61-7064-14 is a 14-foot (4268 mm) inner carrier assembly designed specifically for use with Phoenix series integrated flame scanners. It serves as a critical fiber optic component in industrial burner applications where a conventional surface-mounted scanner cannot maintain a clear line of sight to the flame. By utilizing high-temperature quartz optics, it transmits flame radiation from deep within the combustion zone to the scanner electronics located outside the windbox.

Features

• Quartz Fiber Optics: Uses high-temperature quartz bundles suitable for demanding industrial environments.
• Extended Reach: A 14-foot nominal length allows the assembly to bypass obstructions like movable vanes or air compartments.
• Durable Construction: Typically features a stainless steel mounting head and a combination of flexible and rigid sections to facilitate installation and provide mechanical protection.
• Precise Signal Transmission: Designed to deliver a clear, reliable flame signal to enable consistent combustion control and safety monitoring.
• Integrated Components: Generally includes a mounting flange, air port for cooling/purging, and the fiber bundle as part of the complete inner assembly.

Specifications

• Model Number: 61-7064-14
• Nominal Length: 14 feet (4268 mm)
• Optics Material: High-temperature quartz
• Compatibility: Designed for Fireye Phoenix Series I scanners
• Temperature Rating: Quartz optics are typically rated for high-temperature exposure at the “hot” end (up to approximately 752°F or 400°C)
• Mounting Head: Often 303 stainless steel for corrosion and heat resistance

Applications

The 61-7064-14 is primarily used in large-scale industrial and commercial boiler applications. It is ideal for monitoring flames in burners with complex geometries, such as those with tilting nozzles or movable vanes that frequently obscure the target flame. It is also employed in environments where the individual burner flame must be detected within a larger fireball to ensure proper flame safeguard and burner management.