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Circulation Heaters

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About Circulation Heaters

Circulation heaters are used primarily to heat moving, flowing, or circulating fluid streams.  Fluid flows through the heater, which transfers heat to the stream.  Any liquid or gas is generally acceptable for use with a circulation heater. Often, circulation heaters are used as stock tank heaters, asphalt heaters, livestock tank heaters, circulation tank heaters, dry well heaters, and septic tank heaters. 

Important parameters to consider when specifying circulation heaters are maximum operating or sheath temperature, AC voltage required, AC voltage phase, watts and watt density. Maximum operating temperature is the maximum temperature that the sheath covering the circulation heater may reach. The maximum sheath temperature does not represent the maximum temperature that a heated substance may reach. AC voltage required represents the minimum alternating current (AC) volts required to operate the heater. AC voltage phase can be either single-phase or three-phase. Watts represents the maximum wattage available from the circulation heater. Watt density is the amount of wattage, per square inch, that the circulation heater is capable of delivering. Watt density is calculated by dividing the available wattage by the heated area. Watt density is a good measure of the heater's ability to quickly heat a substance. High watt density heaters should not be used with extremely viscous materials, materials that are poorly circulated or explosive/volatile materials. Important dimensions for circulation heaters include heater height, inlet and outlet separation, diameter and nominal pipe diameter, both inlet and outlet.  A circulation heater will generally have identical inlet and outlet diameters.

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Products & Services Related to Circulation Heaters

Band Heaters
Band heaters are ring-shaped heaters that clamp onto a cylindrical object and heat via conductive heat transfer.
Cartridge Heaters
Cartridge heaters are cylindrical devices generally inserted into a heated substance.
Coil Heaters and Cable Heaters
Coil heaters and cable heaters are heating elements formed from straight (uncoiled) segments of round or square heating cable.
Cylindrical Ceramic Fiber Heaters
Cylindrical ceramic fiber heaters consist of an iron-chrome-aluminum (ICA) heating element and a thick layer of ceramic fiber insulation within a cylinder-shaped housing.
Duct Heaters
Duct heaters are used to heat moving gas streams.
Flat Ceramic Fiber Heaters
Flat ceramic fiber heaters consist of an iron-chrome-aluminum (ICA) heating element and a thick layer of ceramic fiber insulation within a non-curved housing.
Immersion Heaters
Immersion heaters are used in applications that require immersing the heater in the substance to be heated.

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Engineering Web: Circulation Heaters

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Part Numbers for Circulation Heaters

Part # Distributor Manufacturer Product Category Description
2VYD4 Grainger Industrial Supply TEMPCO ELECTRIC HEATER CORP. Immersion Heaters Immersion Heater,Circulation,1000W,240/1
2VYE1 Grainger Industrial Supply TEMPCO ELECTRIC HEATER CORP. Immersion Heaters Immersion Heater,Circulation,3000W,240/1
2VYC9 Grainger Industrial Supply TEMPCO ELECTRIC HEATER CORP. Immersion Heaters Immersion Heater,Circulation,500 W,120/1
2VYF2 Grainger Industrial Supply TEMPCO ELECTRIC HEATER CORP. Immersion Heaters Immersion Heater,Circulation,18000W,480
2VYE3 Grainger Industrial Supply TEMPCO ELECTRIC HEATER CORP. Immersion Heaters Immersion Heater,Circulation,6000W,240/3

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