... with UL,CE approval. 2.Copper,with copper flange 3.Copper tube for Water parts 4.Copper tube part With Flange Water ... SUS304 flange With Flange Water heater element Copper tube:Tubular heaters are available in Copper, SS304, SS 310, SS316, SS321, ... SS fins;(4). Tubular heating elements with additional teflon sleeving is available for heatingcorrosive chemicals.Applications(1). Plastic Processing ...