Elements
Industrial immersion heaters for water, oil and more
Elements Overview
Technical Documents
Element Sheath Materials
Hubbell manufactures heaters with various options including element sheath material. When selecting an element sheath material consideration should be given to compatibility with the heated medium. Standard element sheaths available are incoloy, copper, and stainless steel.
Incoloy®
5 to 75 watts per square inch (WSI) (Other watt densities available)
Type 840 most common. 800 also available. Typical applications include heating process water, demineralized or deionized water (passivation available), air, and steam.
Copper
55 watts per square inch (WSI) (Other watt densities available)
For use in hot water storage tanks, booster heating, freeze protection, and heating applications using aqueous solutions that are not corrosive to copper. UL listed heaters available for aqueous solutions.
Stainless Steel
20 & 50 watts per square inch (WSI) (Other watt densities available)
Type 321 most common. 316L and others also available. Typical applications include heating process water, deionized or demineralized water (passivation available), most corrosive oils, and mild corrosive liquids (cleaning solutions, etc.)
Terminal Enclosures
Type NEMA 1 enclosure intended for use indoors, primarily to prevent accidental contact of personnel with the enclosed equipment. Used in areas where unusual service conditions do not exist.
Enclosure intended for use indoors, where resistance to explosion is paramount.
Type NEMA 4 enclosure intended for indoor or outdoor use. Used primarily to provide a degree of protection against windblown dust and rain, splashing water, hose-directed water, and external ice formation.
Type NEMA 4 enclosure intended for indoor or outdoor use. Used primarily to provide a degree of protection against windblown dust and rain, splashing water, hose-directed water, and external ice formation.
