Circulation Heaters Specifications | Engineering360

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Help with Circulation Heaters specifications:

Power Requirements and Output


	Maximum Operating (Sheath) Temperature		Maximum operating (sheath) temperature is the highest temperature that the heater's sheath (or protective cover) may reach. This is not the maximum temperature a heated substance may reach.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	AC Voltage Required		Heaters require AC voltage. Most heaters use AC voltage instead of DC voltage.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Phase:
	Your choices are...
	Single Phase		Heaters use single-phase power.
	Three Phase		Heaters use three-phase power.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	kWatts		Heating capacity is the wattage which the heater can deliver.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Watt Density		The maximum watt density that the heater can deliver. Watt density is a good measure of how quickly the heater can transfer heat to a heated surface. To calculate watt density, suppliers divide the available wattage by the heated surface area.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

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Mounting


	Mounting		Represents the options available for installing the heater.
	Your choices are...
	Flange (ANSI)		Immersion heaters are equipped with a flange that is installed typically by bolting the unit to a matching flange welded to a vessel wall. Circulation heaters are equipped with ANSI flanges.
	NPT Pipe Threads		Immersion heaters are equipped with a pipe fitting that screw into a threaded well. Circulation heaters are equipped with national pipe threads (NPT).
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Flange or Thread Diameter		The diameter of the mounting flange or pipe thread. Typically, a circulation heater has identical inlet and outlet diameters.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Inlet and Outlet Separation		The distance between the inlet and outlet pipes of the heater.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

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Sleeve (Sheath) Material


	Sleeve (Sheath) Material		Most heaters have a protective sheath or sleeve that covers the heating elements. There are usually many choices for sheath or sleeve material.
	Your choices are...
	None		The heater has a bare, exposed heating element without a sleeve or sheath.
	Aluminum		The sleeve or sheath is made of aluminum, a bluish, silver-white, malleable, ductile, light, trivalent, metallic element that provides good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.
	Brass		The sleeve or sheath is made of brass, an alloy that provides good strength, excellent high temperature ductility, reasonable cold ductility, good electrical conductivity, excellent corrosion resistance, and low magnetic permeability.
	Copper		The sleeve or sheath is made of copper, a common, reddish, metallic element that is ductile and malleable. Copper is one of the best conductors of heat and electricity.
	Fluoropolymer		The sleeve or sheath is made of a fluoropolymer such as Teflon^® (DuPont Dow Elastomers). Teflon refers to a class of fluoropolymer resins used for a wide variety of commercial applications. They are highly resistant to temperature, chemical reaction, corrosion, and stress-cracking.
	HT Foil (Ceramic Foil)		The sleeve or sheath is made of high temperature (HT) foil. HT foil is sometimes called ceramic foil.
	Iron		The sleeve or sheath is made of iron.
	Nickel Alloy		The sleeve or sheath is made of nickel alloy. The amount of nickel varies by alloy type. Proprietary alloys include Inconel^®, Monel^® (Special Metals Corporation) and Incoloy^®(Inco Alloys International).
	Polyimide		The sleeve or sheath is made of a polyimide such as Kapton^® (DuPont).
	Rubber		The sleeve or sheath is made of natural or synthetic rubber, silicone, or styrene butadiene (SBR).
	Stainless Steel		The sleeve or sheath is made of stainless steel, a chemical and corrosion resistant alloy that can have relatively high-pressure ratings.
	Steel		The sleeve or sheath is made of steel, a commercial iron that contains carbon in any amount up to about 1.7% as an essential alloying constituent. Steel is malleable under suitable conditions and distinguished from cast iron by its malleability and lower carbon content.
	Synthetic Rubber		The sleeve or sheath is made of a synthetic rubber such as neoprene.
	Other		Other unlisted, specialized, or proprietary sleeve or sheath materials.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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Applications


	Applications
	Your choices are...
	Gases / Vapors		Products can be used to heat inert gases and vapors.
	Clean Water Heating		Products are used to heat clean or pure water, or substances that have a similarly low viscosity.
	Process Waters		Products are used to heat soap and detergent solutions, or demineralized or deionized water.
	High Purity Waters		Heaters are designated by the manufacturer as designed for high-purity applications.
	Lightweight Oils & Degreasing Solutions		Products are designed for use with heat transfer oils, synthetic heat transfer materials, degreasing solutions, etc.
	Medium Weight Oils		Products are used to heat medium-weight oils such as gear oils, fuel oils, and some heat transfer oils.
	Heavy Weight Oils		Products are used heat heavy, viscous oils to increase flow or pumping velocity.
	Mild Corrosive Solutions		Heaters are designed for use in corrosive solutions of less than 25% concentration.
	Severe Corrosive Solutions		Heaters are designed for use in corrosive solutions of up to 50% or more concentration.
	Caustic Solutions		Heaters are designed for use in caustic solutions.
	Liquid Paraffin		Heaters are designed for use with liquid paraffin or materials with a similar viscosity.
	Other		Other unlisted, specialized, or proprietary applications.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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