A fusible plug is a safety device used in high-pressure steam boilers and other pressurized systems. Its primary function is to provide a fail-safe mechanism to prevent explosions or catastrophic failures due to excessive pressure or temperature. ### Key Features of a Fusible Plug: 1. **Composition**: A fusible plug typically contains a metal alloy that has a relatively low melting point. This alloy is designed to melt at a specific temperature.
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