Durex manufactures standard tubular heating elements for any application. Tubular heating elements are a versatile and economical heat source for a wide variety of industrial and commercial applications. Standard diameters are .260", .315", .375", .430", .475" and .496". Other special sizes are available. Depending on the diameter, lengths can be supplied up to 400". Standard sheath materials are Incoloy®, stainless steel, or copper coated steel. Special sheath materials may be available based on diameter and size of the element required. The typical electrical termination is a ceramic insulator with a threaded stud terminal. Flexible leadwire extensions or other mounting options are available for specific applications.