Cartridge heater

Cartridge Heater
From top to bottom: Square cartridge heater, cartridge heater with threaded NPT fitting (tapered threads), "mini" cartridge heater.
IndustryProcess heating

A cartridge heater is a tube-shaped, heavy-duty, industrial Joule heating element used in the process heating industry, usually custom manufactured to a specific watt density, based on its intended application. Compact designs are capable of reaching a watt density of up to 50W/cm² while some specialty high temperature designs can reach 100w/cm².

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