fire-tube boiler

engineering

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Last updated

June 26, 2026

Quick Summary

A fire-tube boiler is a type of boiler where water surrounds tubes through which hot gases from a furnace pass to a stack. This design is contrasted with a water-tube boiler, where water circulates inside tubes exposed to fire and hot gases.12

Fire-tube boilers are known for being easy to install and operate. They are commonly used in smaller applications, such as heating buildings and powering factory processes, and were historically used in steam locomotives. In this type of boiler, steam collects in a drum above the water level. Safety valves are crucial to prevent explosions by releasing steam if pressure exceeds normal operating levels.3

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boiler
Fire-tube boilers have the advantage of being easy to install and operate. They are widely used in small installations to heat buildings and to provide power for factory processes. Fire-tube boilers are also used in steam locomotives.
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Fire-tube boilers have the advantage of being easy to install and operate. They are widely used in small installations to heat buildings and to provide power for factory processes. Fire-tube boilers are also used in steam locomotives.
Read More