Screw plug immersion heaters are a specific type of immersion heater ideal for direct immersion heating of various liquids, including all types of oils and solutions involving the transfer of heat.
Available in a wide assortment of sizes, Watlow® screw plug immersion heaters feature both WATROD™ round and FIREBAR® flat tubular elements.
Heating elements are hairpin bent and either welded or brazed into the screw plug — depending on the elements particular sheath and plug material compatibility. General purpose terminal enclosures are standard; with optional moisture resistant, explosion resistant and dual explosion/moisture resistant enclosures available to meet the individual’s specific application needs. Optional thermostats provide convenient and easy process temperature regulation to the screw plug immersion heater.
In addition to screw plug immersion heaters, Hi-Watt Inc. carries a wide variety of other types of immersion heaters including over the side immersion heaters, and flanged immersion heaters. Contact us today for more information on industrial heaters and how we can help you.
|Material||Maximum Opening Temperatures||Maximum Watt Densities|
|Features & Benefits:|
|A wide variety of element sheath and screw plug materials||
|Welding or brazing WATROD and FIREBAR elements to the screw plug||
|WATROD hairpins are repressed (recompacted)||
|2 ½ in. (64mm) NPT screw plug assemblies feature element support(s)||