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This | |||
[[File:Nozzle Heater_1.jpg|thumb|200px|right|Nozzle Heater]] | |||
[[File:Nozzle Heater_2.jpg|thumb|200px|right|Mineral Insulated Nozzle Heaters]] | |||
[[File:Nozzle Heater_3.jpg|thumb|200px|right|Pre-Coiled Cable Nozzle Heaters]] | |||
'''Nozzle Heater''' is similar with [[Band Heaters]] that are cylindrically compact. | |||
==Common Types== | |||
===Mineral Insulated Nozzle Heaters=== | |||
A thin layer of the “high” thermal conductive MI material is used to electrically insulate the element wire from the inside diameter of the heater sheath. A thicker, “low” thermal conductivity layer backs up the element wire, directing the heat inward toward the heated part. The result is more efficient heat transfer—a performance solution lowering element wire temperatures and increasing heater life. | |||
===Pre-Coiled Cable Nozzle Heaters=== | |||
Cable nozzle heater has been formed into a compact, tightly wound coil to supply 360 degrees of heat. This nozzle heater features a 5 in. (127 mm) long, no-heat tail section, which eliminates failures in the adapter area due to overheating. This cable nozzle heater is manufactured with swaged compaction process. This process provides a greater compaction of the MgO insulation than the competitor's rolling process. Compacting MgO insulation into a solid mass results in excellent heat conductivity and high dielectric strength. | |||
==Video== | |||
<youtube>VQBQAItaqI8</youtube> | |||