Industrial Purpose Oil Immersion Heater is made from stainless steel or incoloy to ensure longer functional life. The Oil Immersion Heater is provided with copper sheathed tubular heating elements which are brazed or welded into a threaded brass, steel screw plug or round, square bolt-nut flange with cap for protection of terminals. The Oil Immersion Heater allows all energy that is generated to be dissipated directly into the medium which is being heated. Industrial Purpose Oil Immersion Heater is mainly used for heating hydraulic oil, crude oil, air and gas flow, water chemicals etc.