Fusible Plugs

Release pressure at a specific temperature

Fusible fittings are specialized connectors that provide overheating protection for fluid systems. FITOK fusible fittings usually feature a fusible plug that is composed of a body and eutectic alloy. This material will melt or become soft when exceeding a certain temperature. When temperature rises abnormally in the fluid system and exceeds the rated temperature for the fusible plug, the plug melts, activating the system to disconnect and preventing potential hazards such as overheating, fire, or equipment damage. The correct design and material selection are crucial for ensuring fusible fittings function at the specified temperature. During fusible fitting installation and usage, adhere to the installation guidance to ensure system safety and reliability.

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  • Fusible Plugs, FPP and FPT Series

    FPP and FPT Series Fusible Plugs are safety devices designed to protect compressed air systems, wellheads, and steam systems. Comprising a body and a eutectic alloy, the plugs release pressure when exposed to temperatures at or above the alloy's specific melting point, serving as the final line of defense against catastrophic incidents such as explosions. These non-reusable, disassemblable devices offer temperature ratings from 160°F (71°C) to 281°F (138°C) across four ranges. Like safety valves that prevent overpressure, fusible plugs safeguard equipment against overheating.

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